Intravenous Lornoxicam Is More Effective than Paracetamol as a Supplemental Analgesic After Lower Abdominal Surgery: A Randomized Controlled Trial.

World J Surg. 2012 May 15;

Authors: Mowafi HA, Elmakarim EA, Ismail S, Al-Mahdy M, El-Saflan AE, Elsaid AS

Abstract

BACKGROUND: The aim of this prospective, randomized, double-blind study was to determine the more effective supplemental analgesic, paracetamol or lornoxicam, for postoperative pain relief after lower abdominal surgery. METHODS: Sixty patients scheduled for lower abdominal surgery under general anesthesia were randomly allocated to receive either isotonic saline (control group), intravenous paracetamol 1 g every 6 h (paracetamol group), or lornoxicam 16 mg then 8 mg after 12 h (lornoxicam group). Additionally pain was treated postoperatively with morphine patient-controlled analgesia. Postoperative pain scores measured by the verbal pain score (VPS), morphine consumption, and the incidence of side effects were measured at 1, 2, 4, 8, 12, and 24 h postoperatively. RESULTS: Morphine consumption at 12 and 24 h was significantly lower in the lornoxicam group (19.25 ± 5.7 mg and 23.1 ± 6.5 mg) than in the paracetamol group (23.4 ± 6.6 mg and 28.6 ± 7.6 mg). Both treatment groups had less morphine consumption than the control group (28.5 ± 5 mg and 38.1 ± 6.6 mg) at 12 and 24 h, respectively. Additionally, VPS was reduced in the paracetamol and the lornoxicam groups compared with the control group both at rest and on coughing. Further analysis revealed that VPS in the lornoxicam group was significantly lower than that in the paracetamol group only during coughing. Drug-related side effects were comparable in all groups. CONCLUSIONS: Lornoxicam is superior to paracetamol for postoperative analgesia after lower abdominal surgery. However, paracetamol could be an alternative supplemental analgesic whenever an NSAID is unsuitable. Trial Registration: clinicaltrials.gov.identifier:NCT01564680.

PMID: 22584689 [PubMed - as supplied by publisher]

Learning Curve of Thoracoscopic Repair of Esophageal Atresia.

World J Surg. 2012 May 15;

Authors: van der Zee DC, Tytgat SH, Zwaveling S, van Herwaarden MY, Vieira-Travassos D

Abstract

BACKGROUND: Thoracoscopic repair of esophageal atresia is considered to be one of the more advanced pediatric surgical procedures, and it undoubtedly has a learning curve. This is a single-center study that was designed to determine the learning curve of thoracoscopic repair of esophageal atresia. METHODS: The study involved comparison of the first and second five-year outcomes of thoracoscopic esophageal atresia repair. RESULTS: The demographics of the two groups were comparable. There was a remarkable reduction of postoperative leakage or stenosis, and recurrence of fistulae, in spite of the fact that nowadays the procedure is mainly performed by young staff members and fellows. CONCLUSIONS: There is a considerable learning curve for thoracoscopic repair of esophageal atresia. Centers with the ambition to start up a program for thoracoscopic repair of esophageal atresia should do so with the guidance of experienced centers.

PMID: 22584690 [PubMed - as supplied by publisher]

Trauma Care and Case Fatality during a Period of Frequent, Violent Terror Attacks and Thereafter.

World J Surg. 2012 May 17;

Authors: Rivkind AI, Blum R, Gershenstein I, Stein Y, Coleman S, Mintz Y, Zamir G, Richter ED

Abstract

BACKGROUND: From September 1999 through January 2004 during the second Intifada (al-Aqsa), there were frequent terror attacks in Jerusalem. We assessed the effects on case fatality of introducing a specialized, intensified approach to trauma care at the Hebrew University-Hadassah Hospital Shock Trauma Unit (HHSTU) and other level I Israeli trauma units. This approach included close senior supervision of prehospital triage, transport, and all surgical procedures and longer hospital stays despite high patient-staff ratios and low hospital budgets. Care for lower income patients also was subsidized. METHODS: We tracked case fatality rates (CFRs) initially during a period of terror attacks (1999-2003) in 8,127 patients (190 deaths) at HHSTU in subgroups categorized by age, injury circumstances, and injury severity scores (ISSs). Our comparisons were four other Israeli level I trauma centers (n = 2,000 patients), and 51 level I U.S. trauma centers (n = 265,902 patients; 15,237 deaths). Detailed HHSTU follow-up continued to 2010. RESULTS: Five-year HHSTU CFR (2.62 %) was less than half that in 51 U.S. centers (5.73 %). CFR progressively decreased; in contrast to a rising trend in the US for all age groups, injury types, and ISS groupings, including gunshot wounds (GSW). Patients with ISS > 25 accounted for 170 (89 %) of the 190 deaths in HHSTU. Forty-one lives were saved notionally based on U.S. CFRs within this group. However, far more lives were saved from reductions in low CFRs in large numbers of patients with ISS < 25. CFRs in HHSTU and other Israeli trauma units decreased more through the decade to 1.9 % up to 2010. CONCLUSIONS: Sustained reductions in trauma unit CFRs followed introduction of a specialized, intensified approach to trauma care.

PMID: 22588239 [PubMed - as supplied by publisher]

How to Train Surgical Residents to Perform Laparoscopic Roux-en-Y Gastric Bypass Safely.

World J Surg. 2012 May 11;

Authors: Iordens GI, Klaassen RA, van Lieshout EM, Cleffken BI, van der Harst E

Abstract

BACKGROUND: As a result of increasing numbers of patients with morbid obesity there is a worldwide demand for bariatric surgeons. The Roux-en-Y gastric bypass, nowadays performed mostly laparoscopically (LRYGB), has been proven to be a highly effective surgical treatment for morbid obesity. This procedure is technically demanding and requires a long learning curve. Little is known about implementing these demanding techniques in the training of the surgical resident. The aim of this study was to evaluate the safety and feasibility of the introduction of LRYGB into the training of surgical residents. METHODS: All patients who underwent LRYGB between March 2006 and July 2010 were retrospectively analyzed. The procedure was performed by a surgical resident under strict supervision of a bariatric surgeon (group I) or by a bariatric surgeon (group II). The primary end point was the occurrence of complications. Secondary end points included operative time, days of hospitalization, rate of readmission, and reappearance in the emergency department (ED) within 30 days. RESULTS: A total of 409 patients were found eligible for inclusion in the study: 83 patients in group I and 326 in group II. There was a significant difference in operating time (129 min in group I vs. 116 min in group II; p < 0.001) and days of hospitalization. Postoperative complication rate, reappearance in the ED, and rate of readmission did not differ between the two groups. CONCLUSIONS: Our data suggest that under stringent supervision and with sufficient laparoscopic practice, implementation of LRYGB as part of surgical training is safe and results in only a slightly longer operating time. Complication rates, days of hospitalization, and the rates of readmission and reappearance in the ED within 30 days were similar between the both groups. These results should be interpreted by remembering that all procedures in group I were performed in a training environment so occasional intervention by a bariatric surgeon, when necessary, was inevitable.

PMID: 22576184 [PubMed - as supplied by publisher]

The False-Negative Rate of Sentinel Node Biopsy in Patients with Breast Cancer: A Meta-Analysis.

World J Surg. 2012 May 9;

Authors: Pesek S, Ashikaga T, Krag LE, Krag D

Abstract

BACKGROUND: In sentinel node surgery for breast cancer, procedural accuracy is assessed by calculating the false-negative rate. It is important to measure this since there are potential adverse outcomes from missing node metastases. We performed a meta-analysis of published data to assess which method has achieved the lowest false-negative rate. METHODS: We found 3,588 articles concerning sentinel nodes and breast cancer published from 1993 through mid-2011; 183 articles met our inclusion criteria. The studies described in these 183 articles included a total of 9,306 patients. We grouped the studies by injection material and injection location. The false-negative rates were analyzed according to these groupings and also by the year in which the articles were published. RESULTS: There was significant variation related to injection material. The use of blue dye alone was associated with the highest false-negative rate. Inclusion of a radioactive tracer along with blue dye resulted in a significantly lower false-negative rate. Although there were variations in the false-negative rate according to injection location, none were significant. CONCLUSIONS: The use of blue dye should be accompanied by a radioactive tracer to achieve a significantly lower false-negative rate. Location of injection did not have a significant impact on the false-negative rate. Given the limitations of acquiring appropriate data, the false-negative rate should not be used as a metric for training or quality control.

PMID: 22569745 [PubMed - as supplied by publisher]

Long-term Survival in Hilar Cholangiocarcinoma also Possible in Unresectable Patients.

World J Surg. 2012 May 9;

Authors: Ruys AT, van Haelst S, Busch OR, Rauws EA, Gouma DJ, van Gulik TM

Abstract

BACKGROUND: Radical resection remains the only curative treatment for hilar cholangiocarcinoma (HCCA). Only a limited proportion of patients, however, are eligible for resection. The survival and prognostic factors of these patients are largely unknown. The aim of this study was to evaluate survival and prognostic factors in unresectable patients presenting with HCCA. METHODS: We performed a cohort study of the denominator of HCCA patients seen in a tertiary referral center between March 2003 and March 2009. Demographics, treatment, pathology results, and survival were analyzed. RESULTS: A total of 217 patients with suspected HCCA were identified. Ninety-five patients (40 %) underwent laparotomy, and in 57 (63 %) of these patients resection was performed. Overall median and 5-year survival of resected patients were 37 months and 43 %, respectively, as compared to 13 months and 7 % in unresectable patients. In unresectable patients, median survival was better in patients with locally advanced disease (16 months) as compared to patients with hepatic and extrahepatic metastases (5 and 3 months, p < 0.001). Of the 160 unresectable patients, 17 (10 %) survived longer than 3 years. CONCLUSION: Of the patients presenting with HCCA in our center, 26 % proved resectable. The 7 % long-term survival rate of unresectable patients is remarkable and emphasizes the indolent growth of some of these tumors. Patients with metastases had a much worse prognosis with a median of 4 months.

PMID: 22569746 [PubMed - as supplied by publisher]

Antibiotics as First-line Therapy for Acute Appendicitis: Evidence for a Change in Clinical Practice.

World J Surg. 2012 May 9;

Authors: Hansson J, Körner U, Ludwigs K, Johnsson E, Jönsson C, Lundholm K

Abstract

BACKGROUND: Randomized studies have indicated that acute appendicitis may be treated by antibiotics without the need of surgery. However, concerns have been raised about selection bias of patients in such studies. Therefore, the present study was aimed to validate previous findings in randomized studies by a full-scale population-based application. METHODS: All patients with acute appendicitis at Sahlgrenska University Hospital (May 2009 and February 2010) were offered intravenous piperacillin plus tazobactam according to our previous experience, followed by 9 days out-hospital oral ciprofloxacin plus metronidazole. Endpoints were treatment efficacy and complications. Efficient antibiotic treatment was defined as recovery without the need of surgery beyond 1 year of follow-up. RESULTS: A total of 558 consecutive patients were hospitalized and treated due to acute appendicitis. Seventy-nine percent (n = 442) received antibiotics as first-line therapy and 20 % (n = 111) had primary surgery as the second-line therapy. Seventy-seven percent of patients on primary antibiotics recovered while 23 % (n = 100) had subsequent appendectomy due to failed initial treatment on antibiotics. Thirty-eight patients (11 %) of the 342 had experienced recurrent appendicitis at 1-year follow-up. Primary antibiotic treatment had fewer complications compared to primary surgery. CONCLUSIONS: This population-based study confirms previous results of randomized studies. Antibiotic treatment can be offered as the first-line therapy to a majority of unselected patients with acute appendicitis without medical drawbacks other than the unknown risk for long-term relapse, which must be weighed against the unpredicted but well-known risk for serious major complications following surgical intervention.

PMID: 22569747 [PubMed - as supplied by publisher]

Assessment of the Interface Between Retroperitoneal Fat Infiltration of Pancreatic Ductal Carcinoma and the Major Artery by Multidetector-Row Computed Tomography: Surgical Outcomes and Correlation with Histopathological Extension.

World J Surg. 2012 May 5;

Authors: Yamamoto Y, Shimada K, Takeuchi Y, Sofue K, Shibamoto K, Nara S, Esaki M, Sakamoto Y, Kosuge T, Hiraoka N

Abstract

BACKGROUND: Precise assessment of retroperitoneal invasion is clinically important to allow the achievement of negative margin resections. METHODS: The clinical records of 132 patients who underwent macroscopic curative pancreaticoduodenectomy for invasive ductal carcinoma of the pancreas between 2004 and 2008 were retrospectively examined. The clinicopathological factors, including retroperitoneal fat infiltration classified into four groups by multidetector-row computed tomography (MDCT), were analyzed. The relationship between the grade of retroperitoneal fat infiltration and surgical outcomes, as well as various histopathological factors, was also investigated. RESULTS: The 5 year survival rate was 55.6 % for grade 0 infiltration (n = 8), 38.7 % for grade 1 (n = 54), 16.4 % for grade 2 (n = 49), and 0 % for grade 3 (n = 21). There were significant differences in survival in each group. Extrapancreatic nerve invasion and the surgical margin status were significantly associated with retroperitoneal fat infiltration demonstrated on MDCT. According to the grading classification among the 43 patients with pathological portal vein invasion, the 5 year survival rate was 45.9 % for patients with grade 1, which was significantly better survival that those with grade 2 (P = 0.007). CONCLUSION : The grading criteria for retroperitoneal fat infiltration may be useful as a predictor of survival after pancreaticoduodenectomy for pancreatic head carcinoma. Pancreaticoduodenectomy with portal vein resection could provide favorable survival in patients with grade 1 retroperitoneal fat infiltration, even if histopathological portal vein invasion is present.

PMID: 22562451 [PubMed - as supplied by publisher]

Use of Sengstaken-Blakemore Intrahepatic Balloon: An Alternative for Liver-Penetrating Injuries.

World J Surg. 2012 May 5;

Authors: Fraga GP, Zago TM, Pereira BM, Calderan TR, Silveira HJ

Abstract

BACKGROUND: Severe lesions in the liver are associated with a high mortality rate. Alternative surgical techniques such as the use of an intrahepatic balloon may be effective and reduce mortality in severe hepatic lesions. This study aimed to demonstrate the experience of a university hospital in the use of the Sengstaken-Blakemore balloon in patients with transfixing penetrating hepatic injury as an alternative way to treat these challenging injuries. METHODS: A retrospective study based on the trauma registry of a university hospital was performed. All patients admitted with hepatic penetrating injuries and treated with the Sengstaken-Blakemore balloon within the period 1990-2010 were reviewed. RESULTS: Forty-six patients with transfixing hepatic injuries were treated with the Sengstaken-Blakemore balloon in the study period. The most frequent cause of injury was gunshot wound (87 % of the patients). The mean trauma scores on admission were Revised Trauma Score (RTS) = 7.12 ± 1.46, Injury Severity Score (ISS) = 22.4 ± 9.7, and Abdominal Trauma Index (ATI) = 19.5 ± 11. According to the severity of the hepatic trauma, 71.8 % of patients had grade III, 23.9 % grade IV, and 4.3 % grade V injuries. Associated abdominal injuries were found in 89.1 % of the patients. The most frequent liver-related complications were hepatic abscess postoperative bleeding (8.6 %), biliary fistula (8.6 %), (4.3 %), and biliary peritonitis (2.1 %). Surgical reintervention was necessary in 14 patients (31.1 %). From those 14, only 3 had the balloon removed. The overall morbidity and mortality rates were 56.5 % and 23.9 % (11 patients), respectively. CONCLUSION: The knowledge of alternative surgical techniques is essential in improving survival in patients with severe penetrating hepatic injuries. The use of intrahepatic balloon is a viable surgical strategy.

PMID: 22562452 [PubMed - as supplied by publisher]

Acute Appendicitis in a Developing Country.

World J Surg. 2012 May 5;

Authors: Kong VY, Bulajic B, Allorto NL, Handley J, Clarke DL

Abstract

BACKGROUND: This prospective audit of appendicitis at a busy regional hospital reviews the spectrum and outcome of acute appendicitis in rural and peri-urban South Africa. METHOD: We conducted a prospective audit from September 2010 to September 2011 at Edendale Hospital in Pietermaritzburg, South Africa. RESULTS: Over the year under review, a total of 200 patients with a provisional diagnosis of acute appendicitis were operated on at Edendale Hospital. There were 128 males (64 %) in this cohort. The mean duration of illness prior to seeking medical attention was 3.7 days. Surgical access was by a midline laparotomy in 62.5 % and by a Lanz incision in 35.5 %. Two percent of patients underwent a laparoscopic appendicectomy. The operative findings were as follows: macroscopic inflammation of the appendix without perforation in 35.5 % (71/200) and perforation of the appendix in 57 % (114/200). Of the perforated appendices, 44 % (51/114) were associated with localised intra-abdominal contamination and 55 % (63/114) had generalised four-quadrant soiling. Thirty percent (60/200) required temporary abdominal closure (TAC) with planned repeat operation. Major complications included hospital-acquired pneumonia in 12.5 % (25/200), wound dehiscence in 7 % (14/200), and renal failure in 3 % (6/200). Postoperatively 89.5 % (179/200) were admitted directly to the general wards, while 11 % (21/200) required admission to the intensive care unit. The overall mortality rate was 2 % (4/200). CONCLUSIONS: The incidence of acute appendicitis amongst African patients seems to be increasing. Although it is still lower than the reported incidence amongst patients in the developed world, it is a common emergency that places a significant burden on the South African health service. The disease presents late and is associated with a high incidence of perforation which translates into significant morbidity and even mortality.

PMID: 22562453 [PubMed - as supplied by publisher]

Gallstones Are Associated with Colonic Adenoma: A Meta-analysis.

World J Surg. 2012 May 5;

Authors: Chiong C, Cox MR, Eslick GD

Abstract

BACKGROUND: Increased levels of secondary bile acids after gallstone disease and cholecystectomy are believed to increase the risk of colorectal cancer. It remains unclear whether there is a similar risk of developing adenomas. The aim of this meta-analysis was to determine the risk of developing colonic adenomas following gallstone disease or cholecystectomy. METHODS: The study was based on a systematic search of PubMed, MEDLINE, EMBASE, and Current Contents (1950-2012). Selection criteria were developed to sort for studies exploring the relationship between cholelithiasis, cholecystectomy, and colonic adenoma in an adult population. A random-effects model was used to generate pooled odds ratios (OR) and 95 % confidence intervals (CI). Publication bias and heterogeneity were assessed. RESULTS: Of the 1,276 studies identified, 14 were suitable for final analysis. There were 253,059 subjects in total, 42,543 of whom were diagnosed with colonic adenoma, and 28,281 of whom had gallstones or underwent cholecystectomy. There was a significant risk of developing colonic adenoma if gallstones were present (OR = 2.26; 95 % CI = 1.83-2.81). A risk was also seen with cholecystectomy (OR = 1.15; 95 % CI = 1.04-1.26), but this risk was negated when only adjusted odds were selected (OR = 1.01; 95 % CI = 0.91-1.12). No publication bias and only low levels of heterogeneity existed. CONCLUSIONS: Gallstones increase the risk of colonic adenoma. No association exists with cholecystectomy.

PMID: 22562454 [PubMed - as supplied by publisher]

The Implications of Positive Peritoneal Lavage Cytology in Potentially Resectable Pancreatic Cancer.

World J Surg. 2012 May 4;

Authors: Yoshioka R, Saiura A, Koga R, Arita J, Takemura N, Ono Y, Yamamoto J, Yamaguchi T

Abstract

BACKGROUND: The clinical implications of peritoneal lavage cytology (CY) status in patients with potentially resectable pancreatic cancer have not been established. METHOD: We retrospectively reviewed clinical data from 254 consecutive patients who underwent macroscopically curative resection for pancreatic cancer from February 2003 to December 2010 in our institution. Correlations between CY status and survival and clinicopathological findings were investigated. RESULTS: Of the 254 patients, 20 were CY+ (7.9 %). There were no significant differences between CY+ and CY- patients in background data (age, sex, the level of preoperative tumor marker, and adjuvant chemotherapy). Patients with positive serosal invasion were more likely to be CY+ than those with negative serosal invasion (P < 0.001) by univariate analysis. The median overall survival of CY+ patients and CY- patients was 23.8 months (95 % CI = 17.6-29.8) and 26.5 months (95 % CI = 20.7-32.3), respectively (P = 0.302). The median recurrence-free survival of CY+ and CY- patients was 8.1 months (95 % CI = 0.0-17.9) and 13.5 months (95 % CI = 11.5-15.5), respectively (P = 0.089). CONCLUSION: CY+ status without other distant metastasis does not necessarily preclude resection in patients with pancreatic cancer.

PMID: 22555286 [PubMed - as supplied by publisher]

Sentinel Lymph Node Biopsy in Primary Breast Cancer: Window to Management of the Axilla.

World J Surg. 2012 May 4;

Authors: Kumar A, Puri R, Gadgil PV, Jatoi I

Abstract

In patients with primary breast cancer, several large, randomized prospective trials have shown that sentinel node biopsy (SNB) substantially reduces the morbidity associated with axillary surgery compared with formal axillary lymph node dissection (ALND). Moreover, the National Surgical Adjuvant Breast and Bowel Project (NSABP) B-32 trial has demonstrated that when the sentinel node reveals no evidence of metastatic disease, then no further ALND is required. Recently, the results of the American College of Surgeons Oncology Group (ACOSOG) Z0011 trial have challenged the notion that all patients with metastases to the sentinel node require ALND. The results of this trial suggest that in selected sentinel node-positive patients, ALND can be potentially avoided. Yet, some concerns about the ACOSOG Z0011 trial have been raised, and these concerns may have implications in the widespread implementation of the results of this trial. Since the advent of the SNB technology, occult metastases within the sentinel node are frequently observed, and the significance of these findings remains controversial. Finally, this review considers special situations, such as pregnancy and the neoadjuvant setting, where the use of SNB should be applied judiciously. The SNB technology has dramatically improved the quality of life for women with breast cancer, and further modifications of its role in breast cancer treatment should be based on evidence obtained from randomized, controlled trials.

PMID: 22555287 [PubMed - as supplied by publisher]

Diagnostic Value of FDG-PET/CT for Lymph Node Metastasis of Colorectal Cancer.

World J Surg. 2012 Apr 13;

Authors: Kwak JY, Kim JS, Kim HJ, Ha HK, Yu CS, Kim JC

Abstract

BACKGROUND: Lymph node metastasis is an important prognostic factor in patients with colorectal cancer. We assessed the ability of (18)F-fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) to diagnose lymph node metastases in colorectal cancer patients. METHODS: We retrospectively analyzed the records of 473 patients who underwent preoperative FDG-PET/CT, followed by curative surgery for colorectal cancer. Lymph node metastases were assessed as proximal or distal, depending on their anatomical location. We analyzed the sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and accuracy of FDG-PET/CT and CT for detecting lymph node metastases. RESULTS: In detecting proximal lymph nodes, FDG-PET/CT had a sensitivity of 66 %, a specificity of 60 %, a PPV of 63 %, an NPV of 62 %, and an accuracy of 63 %; whereas CT had a sensitivity of 87 %, a specificity of 29 %, a PPV of 57 %, an NPV of 68 %, and an accuracy of 59 % (P = 0.245). FDG-PET/CT and CT also showed similar accuracy in detecting distal lymph nodes (87 vs. 88 %, P = 0.620). CONCLUSION: Preoperative FDG-PET/CT and CT have comparable accuracy in detecting lymph node metastases of colorectal cancer.

PMID: 22526032 [PubMed - as supplied by publisher]

Incidence and Risk Factors of the Intraoperative Localization Failure of Nonpalpable Breast Lesions by Radio-guided Occult Lesion Localization: A Retrospective Analysis of 579 Cases.

World J Surg. 2012 Apr 18;

Authors: Bernardi S, Bertozzi S, Londero AP, Gentile G, Giacomuzzi F, Carbone A

Abstract

BACKGROUND: The radio-guided occult lesion localization (ROLL) technique allows the identification of nonpalpable breast lesions by means of the preoperative, intratumoral injection of a radiotracer. Our study aimed to determine the incidence and risk factors of ROLL failure. METHODS: We collected data about all women who underwent ROLL in our department from 2002 to 2009, focusing on patient characteristics such as breast size and density, lesion size, localization, histology, radiologist, and surgeon experience. Data were analyzed using R v2.10.1, considering p < 0.05 significant. RESULTS: A total of 579 ROLLs were performed on 555 women with a mean age of 58.7 (±10.96) years. Incidence of ROLL failure at the first intervention was 4 % (23/579). Through monovariate analysis, ROLL failure was significantly influenced by stereotactic mammography-guided procedure, invasive tumors, pathological and radiological lesion size ≤5 mm, and the lesion’s location in the central or upper breast quadrants. Through multivariate analysis, the most predictive factors for ROLL failure were as follows: lesion localization in the central quadrant, lesion radiological size ≤5 mm, and radiologist inexperience. CONCLUSIONS: The main risk factors for ROLL failure were the radiologist’s inexperience, lesion size ≤5 mm, and its localization in the central subareolar quadrant, probably due to an unfavorable radiological and surgical reaching of the breast area.

PMID: 22526033 [PubMed - as supplied by publisher]

Worsening Central Sarcopenia and Increasing Intra-Abdominal Fat Correlate with Decreased Survival in Patients with Adrenocortical Carcinoma.

World J Surg. 2012 Apr 19;

Authors: Miller BS, Ignatoski KM, Daignault S, Lindland C, Doherty M, Gauger PG, Hammer GD, Wang SC, Doherty GM,

Abstract

BACKGROUND: Accurate prediction of survival from adrenocortical carcinoma (ACC) is difficult and current staging models are unreliable. Central sarcopenia as part of the cachexia syndrome is a marker of frailty and predicts mortality. This study seeks to confirm that psoas muscle density (PMD), lean psoas muscle area (LPMA), lumbar skeletal muscle index (LSMI), and intra-abdominal (IA) or subcutaneous fat (SC) can be used in combination to more accurately predict survival in ACC patients. METHODS: PMD, LPMA, IA, and SC fat were measured on serial CT scans of patients with ACC. Clinical outcome was correlated with quantitative data from patients with ACC and analyzed. A linear regression model was used to describe the relationship between PMD, LPMA, LSMI, IA, and SC fat, time to recurrence, and length of survival according to tumor stage. RESULTS: One hundred twenty-five ACC patients (94 females) were treated from 2005 to 2011. Significant morphometric predictors of survival include PMD, LPMA, and IA fat (p ≤ 0.0001, ≤0.0024, <0.0001, respectively) and improve prediction of survival compared to using stage alone. A 100-mm(2) increase in LPMA confers an 8 % lower hazard of death. LSMI does not change significantly between stages (p = 0.3196). CONCLUSION: Decreased PMD, LPMA, and increased IA fat suggest decreased survival in ACC patients and correlate with traditional staging systems. A more precise prediction of survival may be achieved when staging systems and morphometric measures are used in combination. Serial measurements of morphometric data are possible. The rate of change of these variables over time may be more important than the absolute value.

PMID: 22526034 [PubMed - as supplied by publisher]

Does Obesity Affect Outcomes in Patients Undergoing Esophagectomy for Cancer? A Meta-analysis.

World J Surg. 2012 Apr 24;

Authors: Kayani B, Okabayashi K, Ashrafian H, Harling L, Rao C, Darzi A, Kitagawa Y, Athanasiou T, Zacharakis E

Abstract

BACKGROUND: The incidence of esophageal carcinoma and the global prevalence of obesity are both increasing. As a result, there is an increased number of esophagectomies being performed on obese patients. The identification of specific complications in obese patients undergoing esophagectomy may allow improved risk assessment and postoperative management to reduce morbidity and mortality. This meta-analysis aimed to determine whether obese patients are at increased risk of postoperative complications, mortality, and compromised survival compared to non-obese patients following esophageal resection. METHODS: A Medline, Embase, Ovid, and Cochrane database search was performed on all articles between January 1980 and January 2012 comparing post-esophagectomy outcomes between obese and non-obese patients. This study was conducted in accordance with the recommendations of the Cochrane Collaboration and the Quality of Reporting of Meta-Analyses guidelines. RESULTS: There was no significant difference between obese and non-obese patients with respect to extent of tumor resection, cardiorespiratory complications, anastomotic leakage, reoperation rates, wound infection, or postoperative mortality. Meta-regression analysis showed that diabetes in obese patients was associated with a significant impact on the risk of anastomotic leakage (coefficient = -7.94 [-15.24-0.65, P = 0.03) and atrial fibrillation (coefficient = -6.94 [-12.79-1.10], P = 0.02). Overall, obese patients had significantly better long-term survival than non-obese patients (Hazard Ratio = 0.78 [0.64-0.96], P = 0.02). CONCLUSIONS: In patients who are eligible for surgery, obesity alone does not increase risk of postoperative complications or mortality and should not be an independent contraindication for esophagectomy. However, the presence of diabetes mellitus in conjunction with obesity may be associated with increased risk of anastomotic leakage and atrial fibrillation. Because of the adverse physiological remodeling in obesity, surgeons should maintain a low threshold for the investigation and management of complications and ensure meticulous management of co-morbidities. Obesity may also improve long-term postoperative survival after esophageal surgery, although further studies with higher levels of evidence are necessary to fully determine any advantageous effects of obesity following oncological esophageal surgery.

PMID: 22526035 [PubMed - as supplied by publisher]

Circular Stapler Size and Risk of Anastomotic Complications in Gastroduodenostomy for Gastric Cancer.

World J Surg. 2012 Apr 21;

Authors: Kim DH, Oh CA, Oh SJ, Choi MG, Noh JH, Sohn TS, Bae JM, Kim S

Abstract

BACKGROUND: A Billroth I reconstruction with a mechanically sutured anastomosis is commonly performed in gastric cancer patients. Some surgeons prefer to use large circular staplers during suturing to minimize risks for anastomotic stricture and gastric stasis after surgery. The effect of stapler size on anastomotic complications has not been validated. METHODS: This study was conducted with 1,031 patients who underwent gastrectomy and Billroth I reconstruction at Samsung Medical Center in Seoul, Korea, between January 2007 and October 2008. Patients were assigned to group A (384 patients) or group B (647 patients) depending on the size of the circular stapler that the surgeon selected for mechanical anastomosis. A 25 mm circular stapler was used for patients in group A, and a 28 or 29 mm circular stapler was used for patients in group B. Postoperative complications were analyzed retrospectively. RESULTS: The incidence of complications (e.g., gastric stasis, anastomotic stricture, and bleeding) did not differ significantly between groups. Age greater than 60 years was the only significant risk factor for anastomotic complications identified in univariate and multivariate analyses. CONCLUSIONS: Stapler size was unrelated to complications, such as stricture and gastric stasis. Age was the only significant risk factor for anastomotic complications after gastroduodenostomy.

PMID: 22526036 [PubMed - as supplied by publisher]

Endocrine Surgeon-Performed US Guided Thyroid FNAC is Accurate and Efficient.

World J Surg. 2012 Apr 18;

Authors: Al-Azawi D, Mann GB, Judson RT, Miller JA

Abstract

BACKGROUND: Ultrasound guided fine needle aspiration cytology (US-FNAC) is a key diagnostic technique used to assess thyroid nodules. This procedure has been the domain of radiologists, but it is increasingly performed by endocrine surgeons. In the present study we aimed to assess the accuracy and clinical efficiency of US-FNAC performed by endocrine surgeons. PATIENTS AND METHODS: This study was a retrospective review of consecutive patients in a 3-year period who underwent US-FNAC performed by endocrine surgeons and radiologists. Medical records, cytology results, and surgical pathology results were collected and analyzed. RESULTS: A total of 576 US-FNAC were performed on 402 patients during the study period. The endocrine surgeons and radiologists performed 299 and 277 US-FNAC, respectively. The FNAC inadequacy rate was 5.3 % for the endocrine surgeons and 9.3 % for the radiologists (p = 0.05). For thyroid cancer, the sensitivity, specificity, and false negatives of the US-FNAC for the endocrine surgeons was 87 %, 98 %, and 3 %, respectively while that for the radiologists was 88 %, 95 %, and 3.5 %, respectively. Patients with thyroid cancer had a shorter time to surgery in the endocrine surgeons’ group (mean 15.3 days) compared to the radiologists’ group (mean: 53.3 days; p = 0.01). CONCLUSIONS: US-FNAC performed by an experienced endocrine surgeon is accurate and allows efficient surgical management for patients with thyroid cancer.

PMID: 22526037 [PubMed - as supplied by publisher]

Trauma Quality Improvement in Low and Middle Income Countries of the Asia-Pacific Region: A Mixed Methods Study.

World J Surg. 2012 Apr 13;

Authors: Stelfox HT, Joshipura M, Chadbunchachai W, Ellawala RN, O’Reilly G, Nguyen TS, Gruen RL

Abstract

BACKGROUND: Quality Improvement (QI) programs have been shown to be a valuable tool to strengthen care of severely injured patients, but little is known about them in low and middle income countries (LMIC). We sought to explore opportunities to improve trauma QI activities in LMIC, focusing on the Asia-Pacific region. METHODS: We performed a mixed methods research study using both inductive thematic analysis of a meeting convened at the Royal Australasian College of Surgeons, Melbourne, Australia, November 21-22, 2010 and a pre-meeting survey to explore experiences with trauma QI activities in LMIC. Purposive sampling was employed to invite participants with demonstrated leadership in trauma care to provide diverse representation of organizations and countries within Asia-Pacific. RESULTS: A total of 22 experts participated in the meeting and reported that trauma QI activities varied between countries and organizations: morbidity and mortality conferences (56 %), monitoring complications (31 %), preventable death studies (25 %), audit filters (19 %), and statistical methods for analyzing morbidity and mortality (6 %). Participants identified QI gaps to include paucity of reliable/valid injury data, lack of integrated trauma QI activities, absence of standards of care, lack of training in QI methods, and varying cultures of quality and safety. The group highlighted barriers to QI: limited engagement of leaders, organizational diversity, limited resources, heavy clinical workload, and medico-legal concerns. Participants proposed establishing the Asia-Pacific Trauma Quality Improvement Network (APTQIN) as a tool to facilitate training and dissemination of QI methods, injury data management, development of pilot QI projects, and advocacy for quality trauma care. CONCLUSIONS: Our study provides the first description of trauma QI practices, gaps in existing practices, and barriers to QI in LMIC of the Asia-Pacific region. In this study we identified opportunities for addressing these challenges, and that work will be supported by APTQIN.

PMID: 22526038 [PubMed - as supplied by publisher]

Preoperative Cholangitis and Metastatic Lymph Node Have a Negative Impact on Survival After Resection of Extrahepatic Bile Duct Cancer.

World J Surg. 2012 Apr 20;

Authors: Cho JY, Han HS, Yoon YS, Hwang DW, Jung K, Kim JH, Kwon Y, Kim H

Abstract

BACKGROUND: The significance of the presence of preoperative inflammation for the prognosis of patients with extrahepatic bile duct cancer (BDCA) was evaluated. METHODS: The clinical data of 84 patients who underwent surgery for BDCA from August 2003 to May 2009 were reviewed, and survival analysis was performed. The patients were classified into two groups according to the presence of preoperative cholangitis: Group A had no cholangitis (n = 59), and group B had cholangitis (n = 25). RESULTS: There were no differences in sex, mean age, TNM stage, biliary drainage, type of resection, or radicality between the two groups (p > 0.05). The 3-year disease-specific survival (DSS) and disease-free survival (DFS) rates for the group B patients (21.5 and 11.9 %, respectively) were significantly lower than those for the group A patients (66.1 and 57.3 %, respectively; p = 0.013 and 0.001, respectively). The multivariate analysis showed that preoperative inflammation and lymph node metastasis were the independent prognostic factors for both overall survival (OS) [p = 0.021, relative risk (RR) = 2.224 and p = 0.015, RR = 2.367, respectively] and DFS (p = 0.014; RR = 2.192 and p = 0.013; RR = 2.240, respectively). The rates of angiolymphatic and perineural invasion were higher for group B than those for group A (p = 0.016 and 0.030, respectively). CONCLUSIONS: The presence of preoperative inflammation is an independent poor prognostic factor for OS and DFS for patients with BDCA.

PMID: 22526039 [PubMed - as supplied by publisher]

Stapler and Nonstapler Closure of the Pancreatic Remnant After Distal Pancreatectomy: Multicenter Retrospective Analysis of 388 Patients.

World J Surg. 2012 Apr 24;

Authors: Ban D, Shimada K, Konishi M, Saiura A, Hashimoto M, Uesaka K

Abstract

BACKGROUND: The pancreatic fistula rate following distal pancreatectomy ranges widely, from 13.3 to 64.0 %. The optimal closure method of the pancreatic remnant remains controversial, especially regarding whether to use a stapler. METHODS: All patients who underwent distal pancreatectomy in five Japanese hospitals from January 2001 to June 2009 were included in this study. All relevant, anonymized medical records were entered into an electronic case report form. Complications and pancreatic fistulas were classified according to the Clavien-Dindo classification and the International Study Group of Pancreatic Surgery grading system, respectively. RESULTS: Of the 388 patients, stapler closure and nonstapler closure were used after distal pancreatectomy in 224 patients (57.7 %) and 164 patients (42.3 %), respectively. Clinically relevant pancreatic fistulas (grades B and C) occurred in 47 patients (21.0 %) treated by stapler closure, which was a significantly lower rate than that for the 83 patients (50.6 %) treated by nonstapler closure. There were no surgical mortalities or in-hospital deaths. The distribution of postoperative complications was grade 1, 30.7 % (n = 119); grade 2, 40.2 % (n = 156); grade 3a, 0.1 % (n = 5); grade 3b, 0.3 % (n = 1); grade 4a, 0.3 % (n = 1). In the multivariate analysis, diabetes mellitus, previous laparotomy, operating time, and method of stump closure were found to be independently associated with the development of a clinical pancreatic fistula. CONCLUSIONS: Stapler closure is a safe, efficient alternative to standard suture closure techniques because the clinical fistula rate is significantly lower.

PMID: 22526040 [PubMed - as supplied by publisher]

Endoscopic Nasobiliary Drainage Should be Initially Selected for Preoperative Biliary Drainage in Patients with Perihilar Bile Duct Cancer.

World J Surg. 2012 Apr 20;

Authors: Kawakami H, Kuwatani M, Eto K, Kudo T, Tanaka E, Hirano S

PMID: 22526041 [PubMed - as supplied by publisher]

Rate of Clinically Significant Postoperative Pancreatic Fistula in Pancreatic Neuroendocrine Tumors.

World J Surg. 2012 Apr 24;

Authors: Inchauste SM, Lanier BJ, Libutti SK, Phan GQ, Nilubol N, Steinberg SM, Kebebew E, Hughes MS

Abstract

BACKGROUND: In 2005, the International Study Group of Pancreatic Fistula (ISGPF) developed a definition and grading system for postoperative pancreatic fistula (POPF). The authors sought to determine the rate of POPF after enucleation and/or resection of pancreatic neuroendocrine tumors (PNET) and to identify clinical, surgical, or pathologic factors associated with POPF. METHODS: A retrospective analysis of pancreatic enucleations and resections performed from March 1998 to April 2010. We defined a clinically significant POPF as a grade B that required nonoperative intervention and grade C. RESULTS: One hundred twenty-two patients were identified; 62 patients had enucleations and 60 patients had resections of PNET. The rate of clinically significant POPF was 23.7 % (29/122). For pancreatic enucleation, the POPF rate was 27.4 % (17/62, 14 grade B, 3 grade C). The pancreatic resection group had a POPF rate of 20 % (12/60, 10 grade B, 2 grade C). This difference was not significant (p = 0.4). In univariate analyses, patients in the enucleation group with hereditary syndromes (p = 0.02) and non-insulinoma tumors (p = 0.02) had a higher POPF rate. Patients in the resection group with body mass index (BMI) > 25 (p < 0.01), multiple endocrine neoplasia type 1 (MEN-1; p < 0.01) and those who underwent simultaneous multiple procedures (p = 0.02) had a higher POPF rate. Multivariate analyses revealed that hereditary syndromes were able to predict POPF in the enucleation group, while having BMI > 25 and increasing lesion size were also associated with POPF in the group undergoing resection. CONCLUSIONS: We found a clinically significant POPF rate after surgery in PNET to be 23.7 % with no difference by the type of operation. Our POPF rate is comparable to that reported in the literature for pancreatic resection for other types of tumors. Certain inherited genetic diseases-von Hippel-Lindau disease (VHL) and MEN-1-were associated with higher POPF rates.

PMID: 22526042 [PubMed - as supplied by publisher]

Does Evidence Permeate All Surgical Areas Equally? Publication Trends in Wound Care Compared to Breast Cancer Care: A Longitudinal Trend Analysis.

World J Surg. 2012 Apr 19;

Authors: Brölmann FE, Groenewold MD, Spijker R, van der Hage JA, Ubbink DT, Vermeulen H

Abstract

BACKGROUND: Evidence-based decision making has permeated the daily practice of healthcare professionals. However, in wound care this seems more difficult than in other medical areas, such as breast cancer, which has a similar incidence, variety of etiologies, financial burden, and diversity of treatment options. This incongruence could be due to a lack in quantity and quality of available evidence. We therefore compared worldwide publication trends to answer whether research in wound care lags behind that in breast cancer. METHODS: In order to assess the trends in quantity and methodological quality of publications as to wound care and breast cancer treatments, we examined relevant publications over the last five decades. Publications in MEDLINE were classified into seven study design categories: (1) guidelines, (2) systematic reviews (SR), (3) randomized (RCT), and controlled clinical trials (CCT), (4) cohort studies, (5) case-control studies, (6) case series and case reports, and (7) other publications. RESULTS: We found a 30-fold rise in publications on wound care, versus a 70-fold increase in those on breast cancer. High-quality study designs like SR, RCT, or CCT were less frequent in wound care (difference 1.9, 95 % CI 1.8-2.0 %) as were guidelines; 76 on wound care versus 231 for breast cancer. CONCLUSIONS: Publications on wound care fall behind in quantity and quality as compared to breast cancer. Nevertheless, SR, RCT, and CCT in wound care are becoming more numerous. These high-quality study designs could motivate clinicians to make evidence-based decisions and researchers to perform proper research in wound care.

PMID: 22526043 [PubMed - as supplied by publisher]

Commentary: Preoperative Evaluation in Cryptorchidism.

World J Surg. 2012 Apr 18;

Authors: Pitcher G

PMID: 22526044 [PubMed - as supplied by publisher]

Patients with Multiple Hepatocellular Carcinomas Within the UCSF Criteria Have Outcomes After Curative Resection Similar to Patients Within the BCLC Early-Stage Criteria.

World J Surg. 2012 Apr 24;

Authors: Zhao WC, Yang N, Zhu N, Zhang HB, Fu Y, Zhou HB, Cai WK, Chen BD, Yang GS

Abstract

BACKGROUND: Surgical strategies for the treatment of multiple hepatocellular carcinomas (HCC) remain controversial. This study compared the prognostic power of the University of California, San Francisco (UCSF) criteria with the Barcelona Clinic Liver Cancer (BCLC) early-stage criteria. METHODS: Clinical and survival data of 162 multiple-HCC patients in Child-Pugh class A who underwent curative resection were retrospectively reviewed. Prognostic risk factors were analyzed using univariate and multivariate analyses. RESULTS: UCSF criteria were shown to independently predict overall and disease-free survival. In patients within the UCSF criteria, 3-year overall and disease-free survivals were significantly better than in those exceeding the UCSF criteria (68 vs. 34 % and 54 vs. 26 %, respectively; both p < 0.001). There were no significant differences in 3-year overall and disease-free survival between patients within the UCSF criteria but exceeding the BCLC early stage and patients with BCLC early-stage disease (71 vs. 66 %, p = 0.506 and 57 vs. 50 %, p = 0.666, respectively). Tumors within the UCSF criteria were associated with a lower incidence of high-grade tumor (p = 0.009), microvascular invasion (p = 0.005), 3-month death (p = 0.046), prolonged Pringle’s maneuver (p = 0.005), and surgical margin <0.5 cm (p < 0.001) than those exceeding the UCSF criteria. Tumors within the UCSF criteria but exceeding the BCLC early stage had invasiveness and surgical difficulty similar to those within the BCLC early-stage criteria. CONCLUSIONS: Multiple HCC patients within the UCSF criteria benefit from curative resection. Expansion of curative treatment is justified.

PMID: 22526045 [PubMed - as supplied by publisher]

Esophagogastric Trauma in Scotland.

World J Surg. 2012 Apr 20;

Authors: Skipworth RJ, McBride OM, Kerssens JJ, Paterson-Brown S

Abstract

BACKGROUND: This study was designed to investigate the incidence of esophageal (ET) and gastric trauma (GT) in Scotland and to identify factors associated with adverse outcome. METHODS: Population-based study of a prospective multicenter database of 52,887 trauma patients, admitted to 25 hospitals from 1992 to 2002. RESULTS: Thirty patients [0.06 %; median age, 32 year (range, 15-79); 86.7 % male] sustained ET [17 (56.7 %) blunt vs. 13 (43.3 %) penetrating]. The most common causes of injury were road traffic accidents (RTAs; n = 11; 36.7 %) and assaults (n = 10; 33.3 %). Most patients (n = 25; 83.3 %) had injury severity scores (ISS) >15, consistent with severe trauma. Fifteen patients (50 %) underwent surgery, of whom 8 (53.3 %) died. Another 13 patients died, yielding an overall mortality rate of 70 %. In contrast, 149 patients [0.29 %; median age, 28 year (range, 13-74); 90.6 % male] sustained GT [124 (83.2 %) penetrating vs. 25 (16.8 %) blunt]. The predominant cause was assault (n = 119; 79.9 %). Most patients (n = 134; 89.9 %) underwent surgery, of which 23 (17.2 %) died. Another 12 patients died, yielding an overall mortality rate of 23.5 %. Factors associated independently with GT mortality included higher ISS, lower Glasgow coma scale (GCS), and hemodynamic compromise. CONCLUSIONS: Esophagogastric trauma occurs predominantly in young males. The incidence of GT, although low, is five times that of ET. Predominant mechanisms of GT are penetrating compared with blunt for ET. Both ET and GT are commonly found in the presence of other multiple injuries, and are associated with high mortality. Operative management of GT is associated with reduced mortality, but outcome is worse for patients with hemodynamic compromise, low GCS, and high ISS.

PMID: 22526046 [PubMed - as supplied by publisher]

MicroRNAs: Relevant Tools for a Colorectal Surgeon?

World J Surg. 2012 Apr 24;

Authors: Peacock O, Lee AC, Larvin M, Tufarelli C, Lund JN

Abstract

Colorectal cancer is the third most common malignancy and cause of cancer-related deaths worldwide. Approximately half of the patients diagnosed with colorectal cancer ultimately die of the condition. Death from colorectal cancer can be prevented by early detection, but unfortunately presentation is often late, with a worse prognosis. Screening by fecal occult blood testing reduces disease-specific mortality, but there is a need for sensitive and specific noninvasive biomarkers to facilitate detecting the disease, staging it, and predicting the best therapeutic options. MicroRNAs (miRNAs) are short noncoding RNA sequences that have a crucial role in the regulation of gene expression. They have significant regulatory functions in basic cellular processes, such as cell differentiation, proliferation, and apoptosis. Evidence suggests that miRNAs may function as both tumor suppressors and oncogenes. The main mechanism for changes in the function of miRNAs in cancer cells is due to aberrant gene expression. Accurate discrimination of miRNA profiles between tumor and normal mucosa in colorectal cancer allows definition of specific expression patterns of miRNAs, giving good potential as diagnostic and therapeutic targets. MiRNAs expressed in colorectal cancers are also abundantly present and stable in stool and plasma samples. Their extraction from these three sources is feasible and reproducible. The ease and reliability of determining miRNA profiles in plasma or stool makes them potential molecular markers for colorectal cancer screening. This review summarizes the role miRNAs have in colorectal cancer, highlighting particularly the potential diagnostic, prognostic, and therapeutic implications in the future treatment of the disease.

PMID: 22526047 [PubMed - as supplied by publisher]

Effect of Chronic Anal Fissure Components on Isosorbide Dinitrate Treatment.

World J Surg. 2012 Apr 19;

Authors: Arslan K, Erenoğlu B, Doğru O, Kökçam S, Turan E, Atay A

Abstract

BACKGROUND: Chronic anal fissure is diagnosed in the presence of persistent symptoms: The classic triad includes a linear mucosal tear exposing the internal sphincter fibers, hypertrophied anal papilla, and a sentinel skin tag. Thus, chronic anal fissure can be divided into three components: the fissure itself; hypertrophied anal papilla; the sentinel skin tag. Not every chronic anal fissure has all three components; some have two components, and others present with only a persistent fissure. The success rate of medical treatment for chronic anal fissure is reported as 42-86 %. In this study, we intended to observe the effect of said components on healing with isosorbide dinitrate treatment. METHODS: A total of 105 patients with chronic anal fissures were admitted and were divided into three groups. Patients in group I had a single component (only the fissure with a linear mucosal tear exposing the internal sphincter fibers); group II had two components (skin tag or hypertrophied papilla in addition to the fissure); group III had all three components (fissure, skin tag, hypertrophied papilla). Isosorbide dinitrate 0.25 % was applied three times a day. RESULTS: The success rates in the study groups were 93, 74, and 64 %, respectively. The success rate was significantly higher for group I than for groups II and III. CONCLUSIONS: Chronic anal fissure components should be considered when evaluating the success rates of studies reporting the results of various medical treatments. The number of components seems to be an important factor that affects the results of isosorbide dinitrate treatment.

PMID: 22526048 [PubMed - as supplied by publisher]

Clinical Significance of Gastric Cancer Surveillance in Renal Transplant Recipients.

World J Surg. 2012 Apr 24;

Authors: Lee IS, Kim TH, Kim YH, Yook JH, Kim BS, Han DJ

Abstract

BACKGROUND: Posttransplant malignancy is one of the major causes inhibiting long-term graft survival. Gastric adenocarcinoma is the most common malignancy in Korea and occurs more frequently in renal transplant recipients compared to that in Western countries. We aimed to analyze the clinical features of the post-renal-transplant gastric cancer and assess factors that can affect the difference in survival. METHODS: Of the 2,157 recipients who underwent renal transplantation at Asan Medical Center between January 1992 and April 2008, the 13 patients diagnosed with gastric adenocarcinoma after transplantation were retrospectively reviewed. We analyzed the effects of primary disease causing end-stage renal disease, type of donor, type of immunosuppressant, induction therapy, and organ rejection on survival after cancer diagnosis. In addition, we evaluated the need for regular gastric cancer screening after transplantation by analyzing the difference in survival between the patients who were and were not screened on a regular basis. RESULTS: Gastric adenocarcinoma occurred 3.44 times more often in men and 8.33 times more often in women than in the same age group of the general population in Korea (176.4/100,000 in men and 67.6/100,000 in women). Except for endoscopic screening, survival had no relation to the primary disease, type of donor, type of immunosuppressive drug, induction therapy, or the presence of rejection. The 5-year survival rates of recipients who were and were not screened by regular gastroscopic surveillance were 100 and 53.6 %, respectively (p = 0.06). CONCLUSIONS: Regular gastric surveillance might be needed for renal transplant recipients with a high risk of gastric malignancy.

PMID: 22526049 [PubMed - as supplied by publisher]

Fast-Track Surgery Improves Postoperative Clinical Recovery and Immunity After Elective Surgery for Colorectal Carcinoma: Randomized Controlled Clinical Trial.

World J Surg. 2012 Apr 24;

Authors: Yang D, He W, Zhang S, Chen H, Zhang C, He Y

Abstract

BACKGROUND: Few clinical studies or randomized clinical trial results have reported the impact of fast-track surgery on human immunity. This study aimed to investigate the clinical and immune impact of fast-track surgery in colorectal cancer patients undergoing elective open surgery. METHODS: A controlled randomized clinical trial was conducted from November 2008 to January 2009 with a 1-month postdischarge follow-up. A total of 70 patients with colorectal carcinoma requiring colorectal resection were randomized into two groups: a fast-track group (35 cases) and a conventional care group (35 cases). All included patients underwent elective open colorectal resection with combined tracheal intubation and general anesthesia. Clinical parameters and markers of immune function were evaluated in both groups postoperatively. RESULTS: In all, 62 patients completed the study: 32 in the fast-track group and 30 in the conventional care group. Our findings revealed a significantly shorter postoperative hospital stay and faster return of gastrointestinal function in patients undergoing fast-track rehabilitation. In addition, we found a quicker response of white blood cells in the fast-track group than in the conventional care group. We also found that blood levels of globulin, immunoglobulin G, and complement 4 on postoperative day 3 were higher in the fast-track group than in the conventional care group. CONCLUSIONS: Fast-track surgery accelerates clinical recovery and improves postoperative immunity after elective open surgery for colorectal carcinoma.

PMID: 22526050 [PubMed - as supplied by publisher]

Intraoperative Blood Transfusion Contributes to Decreased Long-Term Survival of Patients with Esophageal Cancer: Comments on Regression Model Estimation.

World J Surg. 2012 Apr 21;

Authors: Cavallin F, Scarpa M, Cagol M, Alfieri R, Castoro C

PMID: 22526051 [PubMed - as supplied by publisher]

Enhanced Recovery After Surgery (ERAS) Program Attenuates Stress and Accelerates Recovery in Patients After Radical Resection for Colorectal Cancer: Reply.

World J Surg. 2012 Apr 24;

Authors: Ren L, Zhu D, Wei Y, Zhong Y, Xu J

PMID: 22526052 [PubMed - as supplied by publisher]

Recent Advancements in Medical Simulation: Patient-Specific Virtual Reality Simulation.

World J Surg. 2012 Apr 25;

Authors: Willaert WI, Aggarwal R, Van Herzeele I, Cheshire NJ, Vermassen FE

Abstract

BACKGROUND: Patient-specific virtual reality simulation (PSVR) is a new technological advancement that allows practice of upcoming real operations and complements the established role of VR simulation as a generic training tool. This review describes current developments in PSVR and draws parallels with other high-stake industries, such as aviation, military, and sports. METHODS: A review of the literature was performed using PubMed and Internet search engines to retrieve data relevant to PSVR in medicine. All reports pertaining to PSVR were included. Reports on simulators that did not incorporate a haptic interface device were excluded from the review. RESULTS: Fifteen reports described 12 simulators that enabled PSVR. Medical procedures in the field of laparoscopy, vascular surgery, orthopedics, neurosurgery, and plastic surgery were included. In all cases, source data was two-dimensional CT or MRI data. Face validity was most commonly reported. Only one (vascular) simulator had undergone face, content, and construct validity. Of the 12 simulators, 1 is commercialized and 11 are prototypes. Five simulators have been used in conjunction with real patient procedures. CONCLUSIONS: PSVR is a promising technological advance within medicine. The majority of simulators are still in the prototype phase. As further developments unfold, the validity of PSVR will have to be examined much like generic VR simulation for training purposes. Nonetheless, similar to the aviation, military, and sport industries, operative performance and patient safety may be enhanced by the application of this novel technology.

PMID: 22532308 [PubMed - as supplied by publisher]

Impact of Preoperative α-Fetoprotein Level on Disease-Free Survival After Liver Transplantation for Hepatocellular Carcinoma.

World J Surg. 2012 Apr 25;

Authors: Muscari F, Guinard JP, Kamar N, Peron JM, Otal P, Suc B

Abstract

BACKGROUND: Preoperative α-fetoprotein (AFP) levels may have an influence on disease-free survival (DFS) of patients after liver transplantation for hepatocellular carcinoma (HCC) located on a cirrhotic liver. METHODS: Between 2000 and 2009, two groups were distinguished according to preoperative AFP level: normal-level group (<10 ng/ml) and increased-level group (>10 ng/ml). The increased-level group was further divided into three levels of preoperative AFP: 10-150, 150-500, and ≥500 ng/ml. DFS and recurrence rates were compared. All patients underwent transplantation using the preoperative 5/5 criteria. RESULTS: Of the 122 patients in this study, 63 had normal and 59 had increased preoperative AFP. There were no differences between the two groups concerning perioperative or pathologic data. Those with an increased preoperative AFP level had a significantly shorter 5-year DFS, and their recurrence rate was higher than that of the normal AFP group. The 5-year DFS and recurrence rates were 71 and 4 %, respectively, for those with normal AFP; 57 and 10 %, respectively, for those with AFP 10-150 ng/ml; 46 and 24 %, respectively, for those with AFP 150-500 ng/ml; and 28 and 62 %, respectively, for those with AFP ≥500 ng/ml. CONCLUSIONS: This study shows the prognostic value of preoperative AFP levels on DFS after a liver transplant for HCC in a population of patients undergoing transplantation with the same preoperative criteria.

PMID: 22532309 [PubMed - as supplied by publisher]

Ratio of Cesarean Sections to Total Procedures as a Marker of District Hospital Trauma Capacity.

World J Surg. 2012 Apr 25;

Authors: Petroze RT, Mehtsun W, Nzayisenga A, Ntakiyiruta G, Sawyer RG, Forrest Calland J

Abstract

BACKGROUND: There are few established metrics to define surgical capacity in resource-limited settings. Previous work hypothesizes that the relative frequency of cesarean sections (CS) at a hospital, expressed as a proportion of total operative procedures (%CS), may serve as a proxy measure of surgical capacity. We attempted to evaluate this hypothesis as it specifically relates to hospital capacity for emergency interventions for injury. METHODS: We conducted a WHO survey of emergency surgical capacity at 40 Rwandan district hospitals in November 2010 and extracted annual operative volume for 2010 from the Ministry of Health centralized statistical system. We dichotomized the 40 hospitals into low and high %CS groups below and above the median proportion of CS performed. We compared low and high %CS groups across self-reported capabilities related to facility characteristics, trauma supplies, procedural capacity, and surgical training using bivariate χ(2) statistics with significance indicated at p ≤ 0.05. We evaluated herniorrhaphy proportion of total procedures (%Hernia) as a representative general surgery procedure in the same manner. RESULTS: High %CS hospitals were less likely to report capability related to blood banking (p = 0.05), amputation (p = 0.04), closed fracture repair (p = 0.04), inhalational anesthesia (p = 0.05), and chest tube insertion (p = 0.05). Availability of reliable electricity was the only measure that showed statistical significance with the %Hernia measure (p = 0.02). CONCLUSIONS: Cesarean section proportion shows some utility as a marker for district hospital injury-care capacity in resource-limited settings.

PMID: 22532310 [PubMed - as supplied by publisher]

Evidence-Based Surgery: Barriers, Solutions, and the Role of Evidence Synthesis.

World J Surg. 2012 Apr 26;

Authors: Garas G, Ibrahim A, Ashrafian H, Ahmed K, Patel V, Okabayashi K, Skapinakis P, Darzi A, Athanasiou T

Abstract

BACKGROUND: Surgery is a rapidly evolving field, making the rigorous testing of emerging innovations vital. However, most surgical research fails to employ randomized controlled trials (RCTs) and has particularly been based on low-quality study designs. Subsequently, the analysis of data through meta-analysis and evidence synthesis is particularly difficult. METHODS: Through a systematic review of the literature, this article explores the barriers to achieving a strong evidence base in surgery and offers potential solutions to overcome the barriers. RESULTS: Many barriers exist to evidence-based surgical research. They include enabling factors, such as funding, time, infrastructure, patient preference, ethical issues, and additionally barriers associated with specific attributes related to researchers, methodologies, or interventions. Novel evidence synthesis techniques in surgery are discussed, including graphics synthesis, treatment networks, and network meta-analyses that help overcome many of the limitations associated with existing techniques. They offer the opportunity to assess gaps and quantitatively present inconsistencies within the existing evidence of RCTs. CONCLUSIONS: Poorly or inadequately performed RCTs and meta-analyses can give rise to incorrect results and thus fail to inform clinical practice or revise policy. The above barriers can be overcome by providing academic leadership and good organizational support to ensure that adequate personnel, resources, and funding are allocated to the researcher. Training in research methodology and data interpretation can ensure that trials are conducted correctly and evidence is adequately synthesized and disseminated. The ultimate goal of overcoming the barriers to evidence-based surgery includes the improved quality of patient care in addition to enhanced patient outcomes.

PMID: 22535211 [PubMed - as supplied by publisher]

Postoperative Adverse Outcomes in Surgical Patients with Dementia: A Retrospective Cohort Study.

World J Surg. 2012 Apr 26;

Authors: Hu CJ, Liao CC, Chang CC, Wu CH, Chen TL

Abstract

BACKGROUND: Dementia patients often present with coexisting medical conditions and potentially face higher risk of complications during hospitalization. Because the general features of postoperative adverse outcomes among surgical patients with dementia are unknown, we conducted a nationwide, retrospective cohort study to characterize surgical complications among dementia patients compared with sex- and age-matched nondementia controls. METHODS: Reimbursement claims from the Taiwan National Health Insurance Research Database were studied. A total of 18,923 surgical patients were enrolled with preoperative diagnosis of dementia for 207,693 persons aged 60 years or older who received inpatient major surgeries between 2004 and 2007. Their preoperative comorbidities were adjusted and risks for major surgical complications were analyzed. RESULTS: Dementia patients who underwent surgery had a significantly higher overall postoperative complication rate, adjusted odds ratio (OR) 1.79 (95 % confidence interval [CI] 1.72-1.86), with higher medical resources use, and in-hospital expenditures. Compared with controls, dementia patients had a higher incidence of certain postoperative complications that are less likely to be identified in their initial stage, such as: acute renal failure, OR = 1.32 (1.19-1.47); pneumonia, OR = 2.18 (2.06-2.31); septicemia, OR = 1.8 (1.69-1.92); stroke, OR = 1.51 (1.43-1.6); and urinary tract infection, OR = 1.62 (1.5-1.74). CONCLUSIONS: These findings have specific implications for postoperative care of dementia patients regarding complications that are difficult to diagnose in their initial stages. Acute renal failure, pneumonia, septicemia, stroke, and urinary tract infection are the top priorities for prevention, early recognition, and intervention of postoperative complications among surgical patients with dementia. Further efforts are needed to determine specific protocols for health care teams serving this population.

PMID: 22535212 [PubMed - as supplied by publisher]

Interhospital Transfers of Acute Care Surgery Patients: Should Care of Nontraumatic Surgical Emergencies be Regionalised?

World J Surg. 2012 Apr 26;

Authors: Carson P

PMID: 22535213 [PubMed - as supplied by publisher]

Defining Surgical Role Models and Their Influence on Career Choice.

World J Surg. 2012 Apr 26;

Authors: Smith MD, Norris JM, McGowan DR

PMID: 22535214 [PubMed - as supplied by publisher]

The Need to Correct the Indication for Liver Resection in Cirrhotic Patients with Hepatocellular Carcinoma: Reply.

World J Surg. 2012 Apr 26;

Authors: Chan KM, Lee WC, Chen MF

PMID: 22535215 [PubMed - as supplied by publisher]

Success and Failure for Children Born with Facial Clefts in Africa: A 15-Year Follow-up.

World J Surg. 2012 Apr 27;

Authors: de Buys Roessingh AS, Dolci M, Zbinden-Trichet C, Bossou R, Meyrat BJ, Hohlfeld J

Abstract

BACKGROUND: This study reviews the 15 year program of our Department of Pediatric Surgery for the treatment and follow-up of children born with a cleft in Benin and Togo. METHODS: We analyzed files of children born in Africa with a cleft. They were referred to us through a nongovernmental organization (NGO) between 1993 and 2008 and assessed in Africa by local pediatricians before and after surgery. Operations were performed by our team. RESULTS: Two hundred files were reviewed: 60 cases of unilateral cleft lip, seven of bilateral cleft lip, 44 of unilateral cleft lip palate (UCLP), 29 of bilateral cleft lip palate (BCLP), 53 of cleft palate (CP), three of bilateral oro-ocular cleft, one of unilateral and two of median clefts (Binder), and one of commissural cleft. Sixty-nine (35 %) of these cases were not operated in Africa: 25 (12.5 %) had not shown up, 28 (15 %) were considered unfit for surgery (Down’s syndrome, HIV-positive, malnutrition, cardiac malformation), and 16 (7.5 %) were transferred to Switzerland. Palatal fistula occurred in 20 % of UCLP, 30 % of BCLP, and 16 % of CP. Evaluation of speech after palate surgery gave less than 50 % of socially acceptable speech. CONCLUSIONS: Our partnership with a NGO and a local team makes it possible to treat and subsequently follow children born with a cleft in West Africa. Surgery is performed under good conditions. If aesthetic results are a success, functional results after palate surgery need further improvement to promote integration in school and social life.

PMID: 22538390 [PubMed - as supplied by publisher]

One- and Two-Year Outcomes and Predictors of Mortality Following Emergency Laparotomy: A Consecutive Series from a United Kingdom Teaching Hospital.

World J Surg. 2012 Apr 27;

Authors: Awad S, Herrod PJ, Palmer R, Carty HM, Abercrombie JF, Brooks A, de Beer T, Mole J, Lobo DN

Abstract

BACKGROUND: Data on outcomes of patients who underwent emergency laparotomy (EML) are limited. This prospective observational study examined aspects of inpatient care and outcomes following EML with a view to identifying predictors of mortality. METHODS: Data collected from consecutive inpatients who underwent EML in a UK teaching hospital over a 3-month period included perioperative physiology, treatment, morbidity, and mortality (30-day, in-hospital, 12-month, and 24-month). Univariate and multiple logistic regression analyses were used to identify predictors of mortality. RESULTS: Eighty-five patients (44 male) with a mean ± SD age of 61 ± 18 years were studied. Postoperatively, 51 % of patients were admitted to the intensive care (ICU) or the high-dependency unit (HDU). 30-day, in-hospital, 12-month, and 24-month mortality was 14, 16.5, 22.4, and 25.9 %, respectively. After adjusting for confounding variables, age ≥70 years (odds ratio [OR] = 9.2, P = 0.004) and a need for postoperative ICU/HDU (OR = 15.0, P = 0.014) were independent predictors of 30-day mortality. Independent predictors of in-hospital mortality were age ≥70 years (OR = 18.2, P = 0.016), ASA ≥III (OR = 22.1, P = 0.034), preoperative sepsis (OR = 20.6, P = 0.045), and need for postoperative ICU/HDU (OR = 21.5, P = 0.038). Independent predictors of 12-month mortality were preoperative urea >7.5 mmol/L (OR = 3.5, P = 0.038) and need for postoperative ICU/HDU (OR = 3.7, P = 0.044). Age ≥70 years was the only independent predictor of 24-month mortality (OR = 4.5, P = 0.014). Almost all deaths recorded in the 24 months following surgery resulted from disseminated malignancy. CONCLUSION: Patients who underwent EML had favourable outcomes, with 2-year survival close to 75 %. Age ≥70 years and the need for postoperative ICU/HDU care were independent predictors of mortality.

PMID: 22538391 [PubMed - as supplied by publisher]

The Role of Simple Renal Cysts, Abdominal Wall Hernia, and Chronic Obstructive Pulmonary Disease as Predictive Factors for Aortoiliac Aneurysmatic Disease.

World J Surg. 2012 Apr 27;

Authors: Pitoulias GA, Donas KP, Chatzimavroudis G, Torsello G, Papadimitriou DK

Abstract

BACKGROUND: This study was designed to investigate the possible predictive value of simple renal cysts (SRCs), abdominal wall hernia (AWH), and chronic obstructive pulmonary disease (COPD) for the presence of abdominal aortoiliac aneurysms (AAA). METHODS: Between January 2006 and January 2011, we treated 170 consecutive patients with aortoiliac pathology. Patients’ data were prospectively collected and were retrospectively analyzed. Of these patients, 110 (study group) had AAA (group 1) and 60 (control group) had aortoiliac occlusive disease (AOD; group 2). Moreover, patients of group 1 were subdivided, according to aneurysm’s diameter to subgroup 1A (aortic aneurysm diameter >55 mm and/or common iliac diameter >22 mm; n = 62) and subgroup 1B (aortic aneurysm diameter ≤55 mm and/or common iliac diameter ≤22 mm; n = 48). All patients underwent a computed tomographic angiography, and datasets were analyzed for aortoiliac and SRCs’ anatomical data. Additionally collected data were atherosclerotic risk factors, history of previous or current AWH, and COPD. RESULTS: The two groups as well as the two AAA subgroups were homogenous regarding demographics and atherosclerotic risk factors. Univariate analysis showed that incidence of SRCs, AWH, and COPD were significant predictive factors for presence of AAA. Multivariate analysis identified SRCs and AWH as independent predictive factors for the presence of AAA. In association with the aneurysm’s size, multivariate analysis failed to show any predictive value of SRCs, AWH, or COPD. CONCLUSIONS: Results of our study showed a positive predictive value of SRCs and AWH for presence of AAA and a strong relationship but not with predictive value between COPD and AAA. These data might be helpful for the early recognition of patients at risk for an aortoiliac aneurysm formation and for establishment of AAAs population-based screening. Further research of pathophysiological commonalities between the four studied entities may be extremely helpful for designing future preventive and treatment strategy of AAAs.

PMID: 22538392 [PubMed - as supplied by publisher]

A Single, Global Patient-Centered Measure from the SF-36 Instrument to Assess Surgical Outcomes and Quality of Life: A Pilot Study.

World J Surg. 2012 Apr 27;

Authors: Velanovich V, Younga J, Bhandarkar V, Marshall N, McLaren P, Ritz J, Rubinfeld I

Abstract

BACKGROUND: Many quality of life (QoL) and patient-reported outcomes (PRO) measures have been developed to assess the effects of disease processes and treatments. Although these instruments are valuable, the process is hampered because of their number and lack of interchangeability. METHODS: We identified a cohort of patients across a variety of operations within 3-12 months postoperatively. Patients completed the SF-36, measuring eight domains of QoL (physical functioning, role-physical, role-emotional, bodily pain, vitality, mental health, social functioning, and general health), plus a health transition item: Compared to one year ago, how would you rate your health in general now?. (1) Much better now than one year ago. (2) Somewhat better now than one year ago. (3) About the same as one year ago. (4) Somewhat worse than one year ago. (5) Much worse than one year ago. Additional data included improvement of preoperative symptoms, the occurrence of any postoperative symptoms, and the occurrence of any postoperative complications. RESULTS: Of 217 patients, 28 % were much better, 28 % somewhat better, 27 % unchanged, 13 % somewhat worse, and 3 % much worse. The health transition results were associated with all SF-36 domains, preoperative symptom change (p = 0.03) and persistent or new postoperative symptoms (p = 0.001), but not postoperative complications. Patients with persistent or new symptoms postoperatively had worse scores in the role-emotional (p = 0.01), bodily pain (p = 0.05), social functioning (p = 0.02), and mental health (p = 0.009) domains of the SF-36. CONCLUSIONS: This single, global assessment of health transition may be a promising practical alternative to assess postoperative patient-centered outcomes. Improved patients had better QoL scores, preoperative symptoms elimination, and no operation-related symptoms, but the occurrence of complications did not affect improvement.

PMID: 22538393 [PubMed - as supplied by publisher]

Inclusion of Predeposit Autologous Blood Donation and 33 % Hypertonic Saline Solution in the Surgical Management of Patients with Peritoneal Echinococcosis.

World J Surg. 2012 Apr 27;

Authors: Virgilio E, Bocchetti T, Balducci G

PMID: 22538394 [PubMed - as supplied by publisher]

Impact of Anemia on Surgical Outcomes: Innovative Interventions in Resource-poor Settings.

World J Surg. 2012 Apr 28;

Authors: Lagoo J, Wilkinson J, Thacker J, Deshmukh M, Khorgade S, Bang R

Abstract

BACKGROUND: The aim of this work was to study the impact of anemia on surgical outcomes and the impact of instituting appropriate workup and treatment of anemia on surgical outcomes. METHODS: We conducted a case-control retrospective chart review of all hernia repair, hydrocele repair, and hysterectomy cases at the SEARCH Hospital in Gadchiroli, India, from January 2008 to April 2010, and included 340 male and 112 female surgical patients. We also performed a prospective assessment of the impact of the institution of appropriate workup and treatment of anemia on the surgical outcomes for all hernia repair, hydrocele repair, and hysterectomy cases at SEARCH from May 2010 to May 2011 and included 138 male and 76 female surgical patients. RESULTS: The retrospective arm of the study included 340 males and 112 females with a median age of 39 and 41 years, respectively. The mean hemoglobin values were 12.50 (range = 8.8-15.4) for men and 10.39 (range = 5.2-14.8) for women. Patients with anemia had (1) increased incidence of spinal headache after inguinal hernia repair (p = 0.0266) and (2) increased incidence of fever after total hysterectomy (p = 0.0070). There was no statistically significant correlation between anemia and other outcomes (all p > 0.05). The prospective arm of the study included 138 males and 76 females with a median age of 35 and 40, respectively. The mean hemoglobin values were 11.8 (range = 6.4-14.8) for men and 10.6 (range = 6.9-12.8) for women. There was no statistically significant correlation between anemia and any surgical outcomes (p > 0.05). The incidence of complications in both the retrospective and the prospective arm was compared according to increasing severity of anemia across genders. Overall, there was no statistically significant increase in complication rates with increasing severity of anemia (p > 0.05). CONCLUSIONS: In the retrospective arm of this study, anemia was associated with increased incidence of spinal headache and fever. In the prospective arm of this study, there was no statistically significant correlation between anemia and any surgical outcome. The incidence of complications did not increase with the severity of anemia in either arm of the study. Further investigation is needed into the optimal management and treatment of anemia prior to surgery in resource-poor settings.

PMID: 22543720 [PubMed - as supplied by publisher]

Lack of Uniformity in Levels of Evidence and Recommendation Grades in Surgical Oncology Guidelines.

World J Surg. 2012 Apr 28;

Authors: In H, Greenberg CC

PMID: 22543721 [PubMed - as supplied by publisher]

Leech Infestation in Children Through Body Orifices: Experience in a Hospital in Bangladesh.

World J Surg. 2012 Apr 28;

Authors: Hannan MJ, Hoque MM

Abstract

INTRODUCTION: Bangladesh harbors many leeches in its vast wetlands. Leeches have a tendency to enter through body orifices with potentially life-threatening consequences. Literature search revealed inadequate description of clinical manifestations and treatment of leech infestations in children. We describe our experience with leech infestations in children. METHODS: Between January 1, 2004 and December 31, 2010, 17 cases of leech infestation through body orifices in children were managed. This is a retrospective study on age, sex, route of leech entry, investigation and treatment, and outcome. RESULTS: Age ranged from 4.5 to 11 years (mean 6.4 ± 1.8) and females accounted for more than 70 %. The orifices of leech entry include urethra, vagina, and rectum. Leeches could be found in eight cases. Two boys with leeches in the urinary bladder needed suprapubic removal. Leeches were retrieved from the vagina under general anesthesia in three cases, and on three occasions leeches came out from the vagina after normal saline instillation. In nine cases with different routes of entry where leech was not found, instillation of normal saline was sufficient to stop bleeding. Fifteen cases presented with bleeding and transfusion was required in five cases with Hb% <7 gm/dl. CONCLUSIONS: Leech infestation through lower body orifices is common in children of rural Bangladesh. Prompt diagnosis is of paramount importance, and application of normal saline is effective in most cases. Sometimes surgical intervention is required.

PMID: 22543722 [PubMed - as supplied by publisher]

Diagnosing Appendicitis at Different Time Points in Children with Right Lower Quadrant Pain: Comparison Between Pediatric Appendicitis Score and the Alvarado Score.

World J Surg. 2012 Apr 28;

Authors: Senocak R, Mentes O

PMID: 22543723 [PubMed - as supplied by publisher]

Decreased Total MKP-1 Protein Levels Predict Poor Prognosis in Breast Cancer.

World J Surg. 2012 May 1;

Authors: Hou MF, Chang CW, Chen FM, Wang SN, Yang SF, Chen PH, Su JH, Yeh YT

Abstract

BACKGROUND: MKP-1 dephosphorylates and inactivates MAPKs, whose constitutive activations have been associated with human cancers. RESULTS: We found that total MKP-1 protein levels were decreased in 63.7 % of breast cancer tissues compared with the paired noncancerous breast tissues. Decreased MKP-1 protein levels were correlated with increased tumor stage and positive recurrence and were associated with poor survival, even when using a multivariate Cox regression model. Intriguingly, nuclear MKP-1 staining was positively correlated with ER status. In vitro, tamoxifen increased MKP-1 expression in ER-positive but not ER-negative breast cancer cells. ER-specific siRNA was able to attenuate tamoxifen-induced MKP-1 expression. Furthermore, tamoxifen prolonged the duration of MKP-1 elevation and the binding time of ER to the promoter of the MKP-1/DUSP-1 gene compared with estrogen. CONCLUSIONS: Our results suggest that alterations of MKP-1 may serve as a prognostic factor in breast cancer. In addition, the regulation of MKP-1 may be related to the ER.

PMID: 22547014 [PubMed - as supplied by publisher]

Liver Resection for Multiple Colorectal Liver Metastases with Surgery Up-front Approach: Bi-institutional Analysis of 736 Consecutive Cases.

World J Surg. 2012 May 1;

Authors: Saiura A, Yamamoto J, Hasegawa K, Koga R, Sakamoto Y, Hata S, Makuuchi M, Kokudo N

Abstract

BACKGROUND: Preoperative chemotherapy has become more common in the management of multiple resectable colorectal liver metastases; however, the benefit is unclear. This study examined clinical outcomes following liver resection for multiple colorectal liver metastases with the surgery up-front approach. METHODS: Data collected prospectively over a 16-year period for 736 patients who underwent hepatic resection at two different centers were reviewed. Patients were divided into three groups depending on the number of tumors as follows: group A, between one and three tumors (n = 493); group B, between four and seven tumors (n = 141); and group C, eight or more tumors (n = 102). RESULTS: The 5-year overall and recurrence-free survival rates were 51 and 21 %, respectively, for the entire patient cohort, 56 and 29 % in group A, 41 and 12 % in group B, and 33 and 1.7 % in group C. Multivariate analysis showed that decreased survival was associated with positive lymph node metastasis of the primary tumor, the presence of extrahepatic tumors, a maximum liver tumor size >5 cm, and tumor exposure during liver resection. CONCLUSIONS: In patients with multiple liver metastases, the number of liver metastases has less impact on the prognosis than other prognostic factors. Complete resection with repeat metastasectomy offers a chance of cure even in patients with numerous colorectal liver metastases (i.e., those with eight or more nodules). A further prospective study is necessary to clarify the optimal setting of preoperative chemotherapy.

PMID: 22547015 [PubMed - as supplied by publisher]

Management of Grave’s Disease Is Improved by Total Thyroidectomy.

World J Surg. 2012 May 1;

Authors: Annerbo M, Stålberg P, Hellman P

Abstract

BACKGROUND: A retrospective analysis was performed on 267 consecutive patients with Graves’ disease (GD). The principal aim of this study was to evaluate the risk for recurrence and complications when changing the surgical method from subtotal (ST) to total thyroidectomy (TT). METHODS: Information from 267 consecutive patients operated on for GD between 2000 and 2006 was collected at Uppsala University Hospital (143) and Falun County Hospital (128). There were 229 women and 38 men. Four patients were operated on twice. A total of 40 STs and 229 TTs were performed. Results were compared to those of a previous cohort from the same hospital, with a majority of STs (157/176) performed from 1980 to 1992. RESULTS: The risk for relapse of GD was reduced from 20 to 3.3 % after the shift from ST to TT. In terms of surgical complications, 2.2 % demonstrated permanent vocal cord paralysis and 4.5 % had persistent hypocalcemia, not significant when compared to the previous cohort. In spite of TT, there were four recurrences, all due to remnant thyroid tissue high up at the hyoid bone. Changing the surgical method did not affect postoperative progression of dysthyroid ophthalmopathy (DO, 7.0 vs. 7.5 %). There were no differences in outcome with respect to which hospital the patients had their operation. CONCLUSION: Change from ST to TT dramatically reduced the risk for recurrence of GD without increasing the rate of complications. TT is not more effective than ST in hampering progression of DO as has been advocated by some. Careful surgical dissection up to the hyoid bone is necessary to avoid recurrence.

PMID: 22547016 [PubMed - as supplied by publisher]

Right Hepatectomy in Patients over 70 Years of Age: An Analysis of Liver Function and Outcome.

World J Surg. 2012 May 1;

Authors: Melloul E, Halkic N, Raptis DA, Tempia A, Demartines N

Abstract

BACKGROUND: As a consequence of the increase in life expectancy, hepatobiliary surgeons have to deal with an emerging aged population. We aimed to analyze the liver function and outcome after right hepatectomy (RH) in patients over 70 years of age. METHODS: From January 2006 to December 2009, we prospectively collected data of 207 consecutive elective hepatectomies. In patients who had RH, cardiac risk was assessed by a dedicated preoperative workup. Liver failure (LF) was defined by the “fifty-fifty” criteria at postoperative day 5 (POD) and morbidity by the Clavien-Dindo classification. Liver function tests (LFTs) and short-term outcome were retrospectively analyzed in patients over (elderly group, EG) and younger (young group, YG) than 70 years of age. RESULTS: Eighty-seven consecutive RH were performed during the study period. Indication for surgery included 90 % malignancy in 47 % of patients requiring preoperative chemotherapy. ASA grade > 2 (44 vs. 16 %, p = 0.027), ischemic heart disease (17 vs. 5 %, p = 0.076), and preoperative cardiac failure (26 vs. 2 %, p < 0.001) were more frequent in the EG (n = 23) than in the YG (n = 64). Both groups were similar regarding rates of normal liver parenchyma, chemotherapy and intraoperative parameters. The overall morbidity rates were comparable, but the serious complication (grades III-V) rate was relatively higher in the EG (39 vs. 25 %, p = 0.199), particularly in patients with diabetes mellitus (100 vs. 29 %, p = 0.04) and those who had additional nonhepatic surgery (67 vs. 35 %, p = 0.110) and transfusions (44 vs. 30 %, p = 0.523). The 90-day mortality rate was similar (9 % in the EG vs. 3 % in the YG, p = 0.28) and was related to heart failure in the EG. LFTs showed a similar trend from POD 1 to 8, and patients ≥70 years of age had no liver failure. CONCLUSIONS: Age ≥70 years alone is not a contraindication to RH. However, major morbidity is particularly higher in the elderly with diabetes. This high-risk group should be closely monitored in the postoperative course. Liver function is not altered in the elderly patient after RH.

PMID: 22547017 [PubMed - as supplied by publisher]

Surgical Outcome of Liver Transection by the Crush-Clamping Technique Combined with Harmonic FOCUS™

World J Surg. 2012 May 1;

Authors: Gotohda N, Konishi M, Takahashi S, Kinoshita T, Kato Y, Kinoshita T

Abstract

BACKGROUND: New energy devices are constantly being introduced for all types of surgery, including liver surgery. These devices help surgeons perform operations. Meanwhile, intraoperative blood loss is a concern of liver surgeons. Various methods to reduce intraoperative bleeding during liver resection have been reported. There are some reports that the use of energy devices was effective for liver transection. Recently, the Harmonic FOCUS™ (HF), an ultrasonically activated device, was developed. The shape of the HF is similar to that of Kelly forceps. Hepatectomy can be performed by the clamp-crushing method using the HF instead of Kelly forceps. We obtained good results of liver resection with the HF, and report these outcomes in this study. METHODS: From November 2009 to March 2011, a total of 51 patients underwent hepatectomy with the use of the HF. The control group consisted of 59 patients who underwent hepatectomy without the HF from February 2009 to September 2009. The surgical outcomes were evaluated and compared retrospectively. RESULTS: Mean blood loss was 640 mL in the HF group compared to 1,176 mL in the control group. The number of patients needing a blood transfusion was smaller in the HF group (p = 0.02). Mean operative time was shorter in the HF group (171 vs. 235 min, p < 0.001). All these surgical outcomes were significantly better in the HF group. Postoperative morbidity was not increased in the HF group, and we could perform liver transection safely. CONCLUSION: The crush-clamping method combined with the HF is effective for liver transection. Liver resection can be performed quickly using this method.

PMID: 22547018 [PubMed - as supplied by publisher]

Neonatal Neuroblastoma needs the Aggressive Treatment?

World J Surg. 2012 May 1;

Authors: Nam SH, Kim DY, Kim SC, Seo JJ

Abstract

BACKGROUND: Routine antenatal ultrasound scans increased the detection of the neuroblastoma (NB) in neonates. We reviewed the treatment outcome and clinical presentation of neonatal NB. METHODS: We included patients who had pathologically confirmed NB presented within 28 days after birth from January 1999 to December 2010. RESULTS: There were 17 patients (8 females and 9 males), which consist of 16 % of total NB cases of children in our institution. Nine were followed from prenatal period as an abdominal mass and eight were presented postnatally (5 abdominal distensions, 2 tachypnea, and 1 persistent jaundice). The primary lesion was located in adrenal gland in ten patients, retroperitoneum in four, and posterior mediastinum in three. The tumor size was median 4.1 cm (range, 3-7). The stage of the patients were as follows: stage 1 in six, stage 2 in one, stage 3 in three, stage 4S in five, and stage 4 in two. Six patients were in the low-risk group, seven were intermediate-risk group, and four were high-risk group. Thirteen showed favorable histology among 15 specimens. Five patients (29.4 %) showed MYCN amplification. The median follow-up period was 78.4 months (range, 17.4-138.6). Fifteen of 17 (88.2 %) are alive without evidence of recurrences and two patients of stage 4S with MYCN amplification in high-risk group died. CONCLUSIONS: The overall survival of neonatal NB is 88.2 %, but we observed a high ratio of stage 4 and stage 4S tumors and MYCN amplification. We suggested that early treatment might be better for neonatal NB more than 3 cm in size. Aggressive treatment for neonatal NB could bring more favorable outcome.

PMID: 22547019 [PubMed - as supplied by publisher]

Trends in Surgical Treatment of Pilonidal Sinus Diseases: Primary Closure or Flap: Reply.

World J Surg. 2012 May 1;

Authors: Okuş A, Sevinç B, Karahan O

PMID: 22547020 [PubMed - as supplied by publisher]

Dementia and Poor Surgical Outcomes: Reinventing the Wheel or Providing Empirical Evidence?

World J Surg. 2012 May 1;

Authors: Balasubramanian SP

PMID: 22547021 [PubMed - as supplied by publisher]

Is Intravenous Iron Useful for Reducing Transfusions in Surgically Treated Colorectal Cancer Patients?

World J Surg. 2012 May 3;

Authors: Titos-Arcos JC, Soria-Aledo V, Carrillo-Alcaraz A, Ventura-López M, Palacios-Muñoz S, Pellicer-Franco E

Abstract

BACKGROUND: The goal of the present study was to determine whether the intravenous administration of iron in the postoperative period of colon cancer surgical patients suffices to reduce the number of transfusions necessary. METHOD: The study was designed as a retrospective observational study conducted over a three-year period. A paired case-control design was used to analyze the effect of postoperative iron on patients’ blood transfusion needs. Two groups were established (the case group, which received postoperative iron and the control group, which did not) and matched for age (±3 years), gender, type of operation, tumor stage, and surgical approach. Of 342 patients who underwent operation, 104 paired patients were obtained for inclusion in this study (52 in each group). A second analysis was made to assess the effect of intravenous iron on the evolution of hemoglobin between the first postoperative day and hospital discharge in the subgroup of patients with reduction in hemoglobin, in subjects without preoperative or postoperative transfusions. Finally, a total of 71 patients were paired in two groups: 37 and 31 patients in case and control, respectively. RESULTS: The mean hemoglobin concentration at discharge for the case group was 10 ± 1.1 g/dl, vs. 10.6 ± 1.2 in the controls (P = 0.012). The number of transfusions in the case group was 3 ± 1.6, vs. 3.3 ± 3 in the control group (P = 0.682). Thus, 28.8 % of the patients in the case group received transfusions, versus 30.8 % of those in the control group (P = 0.830). In the second analysis, the decrease in hemoglobin concentration was 0.88 g/dl and 0.82 g/dl in case and control, respectively. CONCLUSIONS: Intravenous iron does not appear to reduce the blood transfusion requirements in the postoperative period of colorectal surgery patients with anemia. We consider that further studies are needed to more clearly define the usefulness of intravenous iron in reducing the transfusion needs in such patients.

PMID: 22552496 [PubMed - as supplied by publisher]

The Relationship Between Biliary Amylase and the Clinical Features of Choledochal Cysts in Pediatric Patients.

World J Surg. 2012 May 3;

Authors: Jung SM, Seo JM, Lee SK

Abstract

BACKGROUND: Although the clinical features of choledochal cysts (CC) in different age groups have been widely studied, the causes of differences in clinical features are unknown. To determine the relationship between biliary amylase and the clinical features of CC in pediatric patients, clinical outcomes were compared in two groups with different amylase levels. METHODS: From May 1995 to August 2010, 80 patients under 18 years old who underwent choledochal cyst excision and hepaticojejunostomy and measurements of biliary amylase levels were allocated to a low-amylase-level group (amylase level < 200 U/L, n = 26) and a high-amylase-level group (amylase level > 200 U/L, n = 54). Their medical records were retrospectively reviewed. RESULTS: The median age was 4 months (range = 17 days-169 months) in the low group and 48 months (range = 22 days-147 months) in the high group (p = 0.008). In the low group, jaundice was the most common symptom, while abdominal pain was the main symptom in the high group. In histological findings, bile duct proliferation and cholestasis predominated in the low group and portal inflammation predominated in the high group. Radiological findings and preoperative laboratory data were also significantly different between the groups. Postoperative complications occurred in the high group only. There was no mortality in either group. CONCLUSION: This study shows a relationship between biliary amylase level and clinical manifestations in pediatric patients with CC, implying that there are different underlying pathophysiologies with anomalous pancreaticobiliary ductal union (APBDU).

PMID: 22552497 [PubMed - as supplied by publisher]

Peritoneo-Fascial Suture Methods for Facilitating Loop Ileostomy Mobilization.

World J Surg. 2012 May 3;

Authors: Johna S

PMID: 22552498 [PubMed - as supplied by publisher]

Kisspeptin-54 Levels are increased in Patients with Colorectal Cancer.

World J Surg. 2012 May 3;

Authors: Canbay E, Ergen A, Bugra D, Yamaner S, Eraltan IY, Buyukuncu Y, Bulut T

Abstract

BACKGROUND: Recent studies have demonstrated that Kisspeptin, the product of the metastasis suppressor gene KiSS-1, could have a role in tumor progression and invasion. In this pilot study, we investigated the association of plasma Kisspeptin-54 level with colorectal cancer (CRC). METHODS: Plasma Kisspeptin-54 levels were quantified using enzyme-immunoassay (EIA) kits from blood samples of 81 patients with CRC at their initial staging and 59 age-matched healthy controls. RESULTS: Plasma Kisspeptin-54 levels were significantly higher in CRC patients (86.2 ± 20.5) than in controls (49 ± 12.7; p < 0.005). The cutoff value for Kisspeptin-54 detection was determined as 46 ng/ml, and area under curve (AUC) value was 0.766 with sensitivity 63 %, specificity 81.4 %, positive predictive value 82.2 %, negative predictive value 61.5 %, positive likelihood ratio 3.38, and negative likelihood ratio 0.46. Increased plasma Kisspeptin-54 levels were significantly correlated with nodal involvement of CRC (Spearman, rs = 0.345, p = 0.002). Kisspeptin-54 was also found to be an independent predictive marker for lymph node metastases of CRC (p = 0; Exp(B): 2.053; 95 % CI, 1.255-2.851). CONCLUSIONS: Our results reveal that plasma Kisspeptin-54 measurement could be a useful diagnostic and prognostic parameter for CRC. Further prospective evaluation is needed to validate these findings and to establish the clinical usefulness of Kisspeptin-54 for CRC diagnostics.

PMID: 22552499 [PubMed - as supplied by publisher]

Prospective Evaluation of a Single-sided Innervated Gluteal Artery Perforator Flap for Reconstruction for Extensive and Recurrent Pilonidal Sinus Disease: Functional, Aesthetic, and Patient-reported Long-term Outcomes.

World J Surg. 2012 May 3;

Authors: Schrögendorfer KF, Haslik W, Aszmann OC, Vierhapper M, Frey M, Lumenta DB

Abstract

BACKGROUND: Treating large and extensive pilonidal sinus disease is a challenging task. Long-term reports on flaps suitable for coverage of large, wide, local-excision defects are sparse. We prospectively evaluated data with a minimum 1-year follow-up of the use of a single-sided, innervated, superior gluteal artery perforator flap. METHODS: Twenty-one patients (1 woman, 20 men) with a median age of 26 years (min - max = 18 - 46) were included in the study period from September 2005 to April 2010. We recorded flap size, major and minor complications, hospital length of stay, impairment in activities of daily living, pain, aesthetic outcomes, and sensibility in the gluteal region (PSSD, pressure-specified sensory device) at 6 and 12 months postoperatively. RESULTS: The mean defect size (±SD) was 13.0 ± 1.9 × 8.6 ± 1.3 × 5.5 ± 1.2 cm (height × width × depth), and median length of hospital stay was 9 days (range = 7-11). Only two patients developed minor wound-healing complications. Visual analog pain scales significantly improved, with no pain detectable at 12 months postoperatively (p < 0.0001). The aesthetic appearance of the results was good in the majority of patients (61.9-85.7 %). PSSD showed gradual normalization, with retained sensibility in the flap area over 12 months postoperatively (p = 0.0232). During the median 36-month (range = 20-60) follow-up, we have not observed any recurrence in the operated area. CONCLUSIONS: The innervated superior gluteal artery perforator flap is a useful technique for covering large and recurrent pilonidal sinus defects following wide local excision and represents an excellent tool in the surgical armamentarium for achieving long-lasting outcomes in this young group of patients.

PMID: 22552500 [PubMed - as supplied by publisher]

Effects of Abdominal Fat Distribution Parameters on Severity of Acute Pancreatitis.

World J Surg. 2012 Apr 11;

Authors: O’Leary DP, O’Neill D, McLaughlin P, O’Neill S, Myers E, Maher MM, Redmond HP

Abstract

BACKGROUND: Obesity is a well-established risk factor for acute pancreatitis. Increased visceral fat has been shown to exacerbate the pro-inflammatory milieu experienced by patients. This study aimed to investigate the relationship between the severity of acute pancreatitis and abdominal fat distribution parameters measured on computed tomography (CT) scan. METHODS: Consecutive patients admitted to Cork University Hospital with acute pancreatitis between January 2005 and December 2010 were evaluated for inclusion in the study. An open source image analysis software (Osirix, v 3.9) was used to calculate individual abdominal fat distribution parameters from CT scans by segmentation of abdominal tissues. RESULTS: A total of 214 patients were admitted with pancreatitis between January 2005 and December 2010. Sixty-two of these patients underwent a CT scan and were thus eligible for inclusion. Visceral fat volume was the volumetric fat parameter that had the most significant association with severe acute pancreatitis (P = 0.003). There was a significant association between visceral fat volume and subsequent development of systemic complications of severe acute pancreatitis (P = 0.003). There was a strong association between mortality and visceral fat volume (P = 0.019). Multivariate regression analysis, adjusted for gender, did not identify any individual abdominal fat distribution index as an independent risk factor for severe acute pancreatitis. CONCLUSIONS: Overall, estimation of abdominal fat distribution parameters from CT scans performed on patients with acute pancreatitis indicates a strong association between visceral fat, severe acute pancreatitis, and the subsequent development of systemic complications. These data suggest that visceral fat volume should be incorporated into future predictive scoring systems.

PMID: 22491816 [PubMed - as supplied by publisher]

Diagnostic Role of Procalcitonin in Patients with Suspected Appendicitis.

World J Surg. 2012 Apr 11;

Authors: Wu JY, Chen HC, Lee SH, Chan RC, Lee CC, Chang SS

Abstract

BACKGROUND: The aim of this study was to assess the diagnostic value of procalcitonin (PCT) in emergency department (ED) patients with suspected appendicitis. METHODS: A prospective observational study was carried out inthe emergency department of a university hospital between July 2007 and June 2008. Adult patients who presented to the ED with clinically suspected appendicitis were enrolled. Each patient underwent serum PCT, C-reactive protein (CRP), and Alvarado score evaluation on admission. The results of these three measurements were analyzed in relation to the final diagnosis determined by histopathological findings or compatible computed tomography findings. RESULTS: Of the 214 study patients, 113 (52.8 %) had a confirmed diagnosis of appendicitis and 58 had complicated appendicitis (phlegmon, perforation, or gangrene). For the diagnosis of appendicitis, the area under the receiving operating characteristic (ROC) curve is 0.74 for Alvarado score, 0.69 for PCT, and 0.61 for CRP. Overall, the Alvarado score has the best discriminative capability among the three tested markers. We adopted two cutoff point approaches to harness both ends of the diagnostic value of a biomarker. PCT levels were significantly higher in patients with complicated appendicitis. For diagnosis of complicated appendicitis, a cutoff value of 0.5 ng/mL had a sensitivity of 29 % and a specificity of 95 %, while a cutoff value of 0.05 ng/ml had a sensitivity of 85 % and a specificity of 30 % in diagnosing complicated appendicitis. For those with a PCT value in the gray zone, clinical findings may play a more important role. CONCLUSION: The study does not support the hypothesis that the PCT test may be useful for screening ED patients for appendicitis. However, determination of the PCT level may be useful for risk assessment of ED patients with suspected complicated appendicitis.

PMID: 22491817 [PubMed - as supplied by publisher]

Do We Overtreat Post-Thyroidectomy Hypocalcemia?

World J Surg. 2012 Apr 11;

Authors: Huang SM

Abstract

BACKGROUND: Calcium and calcitriol supplements are standard for patients with post-thyroidectomy serum calcium <2.0 mmol/L; however, we wondered whether we overtreat post-thyroidectomy hypocalcemia with intraoperative parathyroid hormone (PTH). We examined quick-intraoperative intact PTH (QiPTH) assay results to find a suitable treatment for post-thyroidectomy hypocalcemia. METHODS: We studied 197 bilateral thyroidectomy patients. Post-thyroidectomy hypocalcemia was defined as serum calcium <2.0 mmol/L. A QiPTH assay was done 15 min after the thyroidectomy (QiPTH(15)), and hypoparathyroidism was defined as PTH <15 ng/L. The QiPTH(15) assay was used to determine the effects of the thyroidectomy on postoperative PTH levels and serum calcium levels. The natural course and medical response of hypocalcemia was observed in patients with a QiPTH(15) ≥15 ng/L. RESULTS: None of the 187 patients with a QiPTH(15) ≥15 ng/L developed postoperative hypoparathyroidism. However, 79 patients developed transient hypocalcemia, and those with Graves’ disease (47/94) had significantly (p < 0.05) higher hypocalcemia than those with non-Graves’ thyroid disease (32/93). The serum calcium of these 79 patients declined to its lowest level within the first postoperative 18 h. Seven patients with serum calcium <1.75 mmol/L were successfully treated using a calcium supplement only, and the others recovered spontaneously without treatment. CONCLUSIONS: When post-thyroidectomy QiPTH(15) was ≥15 ng/L, postoperative hypoparathyroidism was excluded, but more than one-third of the patients developed post-thyroidectomy hypocalcemia. However, most of them recovered without treatment, and a few recovered after taking only a calcium supplement. We believe that using QiPTH(15) results as a guide will prevent overtreatment of post-thyroidectomy hypocalcemia.

PMID: 22491818 [PubMed - as supplied by publisher]

Biochemical Profile and Outcomes in Trauma Patients Subjected to Open Cardiopulmonary Resuscitation: A Prospective Observational Pilot Study.

World J Surg. 2012 Apr 10;

Authors: Schnüriger B, Talving P, Inaba K, Barmparas G, Branco BC, Lam L, Demetriades D

Abstract

BACKGROUND: The predictive factors to regain a heartbeat following emergency department resuscitative thoracotomy (EDT) for trauma are poorly understood. The objective of the present study was to prospectively assess the electrolyte profile, coagulation parameters, and acid-base status from intracardiac blood samples in trauma patients subjected to open cardiopulmonary resuscitation (CPR) in the presence of established cardiac arrest. METHODS: All patients who underwent EDT following trauma were considered for inclusion. Prior to the injection of any resuscitative medications, a sample of intracardiac blood from the right ventricle was obtained for analysis. RESULTS: During the study period, a total of 22 patients had intracardiac blood samples obtained and were eligible for analysis. Twelve patients never regained cardiac activity, and 10 patients transiently regained a heartbeat for a mean of 51 ± 69 min, but ultimately died. Some 91 % (20/22) of patients presented with severe acidosis (pH < 7.20). The pCO(2) was <45 mmHg in 68 % (15/22) of patients, and the pO(2) level was >75 mmHg in 77 % (17/22) of patients. Patients who never regained cardiac activity had a significantly higher lactate level than those with a return of cardiac rhythm (17.1 ± 2.6 vs. 10.6 ± 4.9 mmol/L, p = 0.018). The sodium and potassium levels were higher for those who never regained a rhythm than for those who did regain a pulse (sodium: 155 ± 14 vs. 147 ± 9 mmol/L, p = 0.094; potassium: 6.0 ± 1.1 vs. 4.6 ± 1.0 mmol/L, p = 0.014). Severe hyperkalemia (potassium > 5.5 mmol/L) occurred significantly more often in patients who did not regain a heart beat (p = 0.030). Coagulopathy (INR > 1.2 and/or prothrombin time >15 s and/or platelet count <100,000/μL) was noted in 96 % of patients. CONCLUSIONS: Most patients undergoing open CPR have normal blood gas levels. Severe lactic acidosis, hyperkalemia, and hypernatremia are associated with decreased probability for return of cardiac function. Calcium and magnesium levels were not significantly different between the two groups, making the therapeutic role of these electrolytes very questionable.

PMID: 22488327 [PubMed - as supplied by publisher]

Surgery, Fame, and Misfortune: The Life of Bronisław Kader.

World J Surg. 2012 Apr 10;

Authors: Magowska A

Abstract

Bronisław Kader (1863-1937) introduced one of the traditional methods of gastrostomy. He was a Polish doctor who had been trained by such eminent surgeons as Ernst von Bergmann, Otto E. Küstner, Jan Mikulicz, and Eduard von Wahl. The Kader method implies blunt division of the left rectus muscle and opening of the stomach by a very small incision. A drainage tube is then inserted and fastened to the stomach wall by a stitch. Next, the stomach wall is sutured to the abdominal wall in a manner that places the tube in a tunnel surrounded by serosa. In comparison to others, Kader’s method of gastrostomy was considered simpler, cheaper (fewer stitches), speedy, and safe. Although recommendations to perform gastric fistula were limited at the time, the value of gastrostomy remains undisputable. This is a method of choice for securing alimentation in cases of intractable stenosis of the pharynx or esophagus, which are usually due to cancer, chemical burns, trauma, or congenital defects. Nowadays, it is performed endoscopically or laparoscopically. This article presents the life history of Bronisław Kader, the eponymous of this method and a gifted surgeon who lost his eyesight at the height of his fame.

PMID: 22488328 [PubMed - as supplied by publisher]

A Tool and Index to Assess Surgical Capacity in Low Income Countries: An Initial Implementation in Sierra Leone.

World J Surg. 2012 Apr 10;

Authors: Groen RS, Kamara TB, Dixon-Cole R, Kwon S, Kingham TP, Kushner AL

Abstract

BACKGROUND: A first step toward improving surgical care in many low and middle income countries is to document the need. To facilitate the collection and analysis of surgical capacity data and measure changes over time, Surgeons OverSeas (SOS) developed a tool and index based on personnel, infrastructure, procedures, equipment, and supplies (PIPES). METHODS: A follow-up assessment of 10 government hospitals in Sierra Leone was completed 42 months after an initial survey in 2008 using the PIPES tool. An index based on number of operating rooms, personnel, infrastructure, procedures, equipment, and supplies was calculated. An index was also calculated, using the 2008 data for comparison. RESULTS: Most hospitals demonstrated an increased index that correlated with site visits that verified improved conditions. Connaught Hospital in Sierra Leone had the highest score (9.2), consistent with its being the best equipped and staffed Ministry of Health and Sanitation facility. Makeni District Hospital had the greatest increase, from 3.8 to 7.5, consistent with a newly constructed facility. DISCUSSION: The PIPES tool was easily administered at hospitals in Sierra Leone and an index was found useful. Surgical capacity in Sierra Leone improved between 2008 and 2011, as demonstrated by an increase in the overall PIPES indices.

PMID: 22488329 [PubMed - as supplied by publisher]

Assessment of Swallowing Function Impairment in Patients with Benign Goiters and Impact of Thyroidectomy: A Case Control Study.

World J Surg. 2012 Mar 16;

Authors: Sabaretnam M, Mishra A, Chand G, Agarwal G, Agarwal A, Verma AK, Mishra SK

Abstract

BACKGROUND: Swallowing-related quality of life (QoL) in patients with benign thyroid goiters is not much studied. The aim of this study was to assess swallowing function impairment in patients with benign goiters, compare it to a control population, and also find the impact of thyroidectomy and various factors on the outcome of swallowing function. METHODS: We performed a prospective case-control study from September 2009 to September 2011 which consisted of 124 patients who were to undergo primary thyroid surgery and 100 age- and sex-matched controls. A translated and validated modified swallowing quality-of-life (SWAL-QOL) questionnaire was used to assess patients’ perception of dysphagia. Presurgery scores of patients and controls and pre- and postsurgery scores (>6 months after surgery) of patients were compared. RESULTS: The mean age of males and females in the control and patient groups were 37.7 vs. 39.5 years and 37.4 vs. 39.8 years, respectively. Twelve patients (9.7%) complained of dysphasia at presentation. Sixty-three patients (50.8%) underwent total thyroidectomy and 61 (49.2%) had hemithyroidectomy at the time of initial evaluation, 75, 23.4, and 1.6% of patients were euthyroid, hyperthyroid, and hypothyroid, respectively. Presurgery scores of patients in all of the 11 domains of the SWAL-QOL were lower compared to those of controls. Comparing separately with the matched controls, females had significant differences in nine domains (except for sleep and fatigue) of the SWAL-QOL questionnaire but males did not. Postoperatively, both male and female patients showed significant improvement in the scores of all the domains. Female gender, hyperthyroidism, thyroid nodularity, retrosternal extension, procedure, and weight of the resected specimen were the factors associated with significant improvement in various domains. CONCLUSION: Dysphagia seems to be an underestimated problem in patients with benign goiters. Uncomplicated thyroidectomy results in significant improvement in swallowing-related QoL irrespective of patient profile and extent of thyroidectomy.

PMID: 22422173 [PubMed - as supplied by publisher]

Level VI Lymph Node Dissection Does Not Decrease Radioiodine Uptake in Patients Undergoing Radioiodine Ablation for Differentiated Thyroid Cancer.

World J Surg. 2012 Mar 20;

Authors: Yoo D, Ajmal S, Gowda S, Machan J, Monchik J, Mazzaglia P

Abstract

BACKGROUND: In patients with well-differentiated thyroid cancer, the incidence of pathologic central compartment lymph node metastases is reported to be approximately 50%. Recently level VI lymph node dissection has been advocated as a means of reducing recurrence rates in these patients, even if there are no clinically apparent nodal metastases. This study investigates whether level VI lymph node dissection decreases the percent radioiodine uptake when patients undergo radioiodine ablation. METHODS: All thyroid cancer patients entered into the endocrine surgery database at a tertiary care center from 2006 to 2010 were reviewed. Those treated with radioactive iodine were analyzed with respect to performance of a central compartment lymph node dissection and the percent uptake of radioiodine ((131)I) on the preablation scan at 72 h. RESULTS: There were 277 patients with well-differentiated thyroid cancer who underwent radioiodine ablation. In all, 75% were female, and the mean age was 47.7 years. A total of 87 patients underwent total thyroidectomy and level VI lymph node dissection (TT + LVIND). The mean number of level VI nodes resected was 6 (1-27), and 60.9% of patients had nodal metastases. Altogether, 190 had a total thyroidectomy (TT) only, and the median number of nodes resected was 0 (0-10). The percent uptake of radioiodine on the preablation scan was 0.93% in patients who had undergone TT + LVIND and 1.2% in those with TT alone (p = 0.17). The median number of radioactive foci noted within the thyroid bed was two in both groups (p = 0.64). The mean preablation thyroglobulin levels, measured after thyroxine withdrawal or thyrogen stimulation, were 4.0 ng/ml in the TT + LVIND group versus 4.7 ng/ml in the TT group (p = 0.07). The average ablative dose of (131)I was 111.8 mCi in the dissection group and 98.5 mCi in the TT-only group. CONCLUSIONS: There is no evidence that uptake of (131)I is reduced by performance of a central neck dissection in patients with well-differentiated thyroid cancer. Preablation thyroglobulin levels were not altered by level VI lymph node dissection.

PMID: 22430670 [PubMed - as supplied by publisher]

Slit Versus Non-slit Mesh Placement in Total Extraperitoneal Inguinal Hernia Repair: Reply.

World J Surg. 2012 Mar 20;

Authors: Kirshtein B

PMID: 22430671 [PubMed - as supplied by publisher]

Correct Indication for Surgery Can Prevent Postoperative Ascites in Cirrhotic Patients Affected by Hepatocellular Carcinoma.

World J Surg. 2012 Mar 21;

Authors: Di Carlo I, Toro A

PMID: 22434234 [PubMed - as supplied by publisher]

Bowel Preparation May Be an Important Adjunct to ERAS in Rectal Surgery.

World J Surg. 2012 Mar 23;

Authors: Pappalardo G, Coiro S

PMID: 22441727 [PubMed - as supplied by publisher]

Evaluation of the Appendicitis Inflammatory Response Score for Patients with Acute Appendicitis.

World J Surg. 2012 Mar 24;

Authors: de Castro SM, Unlü C, Steller EP, van Wagensveld BA, Vrouenraets BC

Abstract

BACKGROUND: Acute appendicitis is still a difficult diagnosis. Scoring systems are designed to aid in the clinical assessment of patients with acute appendicitis. The Alvarado score is the most well known and best performing in validation studies. The purpose of the present study was to externally validate a recently developed appendicitis inflammatory response (AIR) score and compare it to the Alvarado score. METHODS: The present study selected consecutive patients who presented with suspicion of acute appendicitis between 2006 and 2009. Variables necessary to evaluate the scoring systems were registered. The diagnostic performance of the two scores was compared. RESULTS: The present study included 941 consecutive patients with suspicion of acute appendicitis. There were 410 male patients (44%) and 531 female patients (56%). The area under the receiver operating characteristic curve of the AIR score was 0.96 and significantly better than the area under the curve of 0.82 of the Alvarado score (p < 0.05). The AIR score also outperformed the Alvarado score when analyzing the more difficult patients, including women, children, and the elderly. CONCLUSIONS: This study externally validates the AIR Score for patients with acute appendicitis. The scoring system has a high discriminating power and outperforms the Alvarado score.

PMID: 22447205 [PubMed - as supplied by publisher]

The Clinical Value of Non-curative Resection Followed by Chemotherapy for Incurable Gastric Cancer.

World J Surg. 2012 Mar 27;

Authors: Ko KJ, Shim JH, Yoo HM, O SI, Jeon HM, Park CH, Jeon DJ, Song KY

Abstract

BACKGROUND: The clinical value of a non-curative resection for gastric cancer is still controversial. We analyzed the clinical outcomes of patients who underwent non-curative gastric resection. METHODS: Data from a total of 178 patients who underwent non-curative resection for advanced gastric cancer at Seoul St. Mary’s hospital were reviewed. Factors related to the incurability were classified as peritoneal metastasis (P), liver metastasis (H), extra-abdominal metastasis (X), direct adjacent organ invasion that was unresectable (T). The clinicopathologic data, survival, and quality of life of patients were evaluated. RESULTS: The overall median survival time was 12.1 months, and that for the patients with gastrectomy with chemotherapy was 14.3 months. Operation-related complications occurred in 20 patients (11.2 %). Five patients (2.8 %) died of postoperative complications within 30 days, and 43 patients (24.2 %) had symptoms and signs of gastric outlet obstruction or uncontrolled bleeding. The mean duration of postoperative hospital stay was 15.9 days for those symptomatic patients, and the symptom-relieved period was 8.6 months. CONCLUSIONS: There might be a role for non-curative resection followed by chemotherapy for incurable gastric cancer, in terms of survival, and this treatment approach should be carefully considered because of the high mortality rate associated with the disease. A large, randomized, prospective study is warranted to prove the benefit of non-curative resection in patients with incurable gastric cancer.

PMID: 22450753 [PubMed - as supplied by publisher]

Preoperative Pancreas CT/MRI Characteristics Predict Fistula Rate after Pancreaticoduodenectomy.

World J Surg. 2012 Mar 27;

Authors: Frozanpor F, Loizou L, Ansorge C, Segersvärd R, Lundell L, Albiin N

Abstract

BACKGROUND: Pancreatic fistula (PF) is considered to be the main cause of morbidity after pancreaticoduodenectomy (PD). A recent study from our institution suggested the risk for pancreatic fistula after distal pancreatectomy to be closely related to the pancreatic remnant volume (PRV). The hypothesis was formulated that after PD the PRV is an important determinant of the risk for PF formation. METHOD: All patients undergoing PD between September 2007 and November 2010 at the Karolinska University Hospital Stockholm were included. Preoperative multidetector computed tomography (CT) or magnetic resonance imaging (MRI) was used to calculate the PRV and the pancreatic duct width (PDW) at the alleged resection line. RESULTS: A total of 182 patients (median age 67 years) undergoing PD were included. The diagnosis was malignant in 144 patients (79.1 %) and benign in 38 (20.9 %). Pancreatic fistula defined according to the International Study Group on Pancreatic Fistula (ISGPF) criteria was diagnosed in 37 patients (20.3 %). The median PRV was 35.2 cm(3) and the median PDW was 3.9 mm. In a univariate analysis a large calculated volume of the pancreatic remnant increased the subsequent risk of PF (odds ratio [OR], 3.71; 95% confidence interval [95% CI], 1.58-8.71; P < 0.01), as did a small duct width (OR, 8.46; 95% CI, 3.11-23.04; P < 0.01). According to the multivariate analysis, the size of the pancreatic remnant and the width of the pancreatic duct maintained their impact on leakage risk. CONCLUSIONS: A large pancreatic volume and small pancreatic duct increase the risk of PF. Preoperative CT and/or MRI therefore are useful in predicting fistula formation before pancreaticoduodenectomy.

PMID: 22450754 [PubMed - as supplied by publisher]

Prolonged Portal Triad Clamping Increases Postoperative Sepsis after Major Hepatectomy in Patients with Sinusoidal Obstruction Syndrome and/or Steatohepatitis.

World J Surg. 2012 Mar 29;

Authors: Narita M, Oussoultzoglou E, Fuchshuber P, Chenard MP, Rosso E, Yamamoto K, Jaeck D, Bachellier P

Abstract

BACKGROUND: Portal triad clamping (PTC) has been widely adopted in an attempt to decrease bleeding during liver parenchymal transection. As a larger proportion of patients are treated with chemotherapy prior to liver resection, the safety of PTC in patients with chemotherapy-associated liver injury remains poorly investigated. This study aims to evaluate the influence of PTC on early postoperative outcomes in patients with chemotherapy-associated liver injury undergoing major hepatectomy for colorectal liver metastases (CLM). PATIENTS AND METHODS: From January 2000 to October 2010, 53 patients with histologically proven chemotherapy-associated liver injuries [sinusoidal obstruction syndrome (SOS; n = 41), steatohepatitis (n = 5), and both SOS and steatohepatitis (n = 7)] who underwent major hepatectomy for CLM were divided into two groups; patients undergoing intermittent TPC (n = 20) and those who did not undergo TPC (n = 33). Perioperative clinicobiological factors, morbidity including septic complications, and mortality were analyzed and compared between the two groups. RESULTS: Intraoperative blood transfusions and postoperative liver function were comparable between the two groups. Sepsis and biloma occurred more often in patients undergoing PTC longer than 30 min than in those undergoing PTC ≤30 min (66.7 % versus 17.1 %, p = 0.002, and 33.3 versus 0 %, p = 0.002, respectively). A multiple logistic regression analysis showed that prolonged PTC (>30 min) and the ratio of future liver remnant volume to total liver volume ≤43 % were independent factors for predicting postoperative sepsis [odds ratio (OR): 32.68; 95 % confidence interval (95 % CI): 2.86-372.82; p = 0.005-and odds ratio: 9.70; 95 % CI: 1.04-90.86; p = 0.047, respectively]. CONCLUSIONS: Portal triad clamping can be safely used in patients with chemotherapy-associated liver injury who require major liver resection. Prolonged PTC can increase the occurrence of postoperative biliary and septic complications.

PMID: 22456802 [PubMed - as supplied by publisher]

Role of Antibiotic Therapy in Mild Acute Calculus Cholecystitis: A Prospective Randomized Controlled Trial.

World J Surg. 2012 Mar 29;

Authors: Mazeh H, Mizrahi I, Dior U, Simanovsky N, Shapiro M, Freund HR, Eid A

Abstract

BACKGROUND: Current recommendations for treating acute calculus cholecystitis include the use of intravenous antibiotics, although these recommendations were never tested scientifically. The aim of this study was to evaluate the role of intravenous antibiotic therapy in patients with mild acute calculus cholecystitis. METHODS: In this prospective, randomized controlled trial, 84 patients with a diagnosis of mild acute calculus cholecystitis were randomly assigned to supportive treatment only or supportive treatment with intravenous antibiotic treatment (42 patients in each arm). Patients were followed through their index admission and until delayed laparoscopic cholecystectomy was performed. RESULTS: The two study groups did not differ in their demographic data or in the clinical presentation and disease severity. Analysis was conducted on the intent-to-treat basis. Patients in the intravenous antibiotics arm resumed a liquid diet earlier (1.7 vs. 2.2 days, p = 0.02) but did not significantly differ in resumption of regular diet (2.8 vs. 3.2 days, p = 0.16) or hospital length of stay (LOS) (3.9 vs. 3.8 days, p = 0.89). Patients in the intravenous antibiotics arm had rates of percutaneous cholecystostomy tube placement (12 vs. 5 %, p = 0.43), readmissions (19 vs. 13 %, p = 0.73), and perioperative course similar to those not receiving antibiotics. The overall hospital LOS, including initial hospitalization and subsequent cholecystectomy, was similar for both groups (5.6 vs. 5.1 days, p = 0.29). Eight (19 %) patients in the supportive arm were crossed over to the intravenous antibiotic arm during the index admission. CONCLUSIONS: Intravenous antibiotic treatment does not improve the hospital course or early outcome in most of the patients with mild acute calculus cholecystitis.

PMID: 22456803 [PubMed - as supplied by publisher]

Francis Sibson (1814-1876): The Unsung Hero of Modern Surgery and Anesthesia.

World J Surg. 2012 Mar 30;

Authors: Osiro S, Downs E, Grater J, Loukas M

Abstract

Francis Sibson (1814-1876) was a British physician and anatomist widely regarded as a true pioneer of the medical profession. He overcame a tragic and difficult childhood to become an avid educator at several medical schools and dedicated his life to research. For modern scientists, he is most remembered for describing Sibson’s fascia, his experimental use of curare in the treatment of hydrophobia and tetanus, and his detailed description of the positions and movements of internal organs. He died on September 7, 1876 at the age of 62 from complications of an aortic aneurysm.

PMID: 22460911 [PubMed - as supplied by publisher]

A Preliminary Comparison Study of Two Noncrosslinked Biologic Meshes Used in Complex Ventral Hernia Repairs.

World J Surg. 2012 Mar 31;

Authors: Janfaza M, Martin M, Skinner R

Abstract

BACKGROUND: The biologic materials currently available for hernia repairs are costly and there are limited statistics on recurrences and rates of infection in connection with their use in complex cases. METHODS: We performed a retrospective review and comparison of two types of biologic mesh used at our institution for abdominal hernia repairs spanning a 1-year period. Demographic data and outcomes relating to surgical site infections, hernia recurrences, and mortality were analyzed. Of the 35 patients in the study, 23 patients (Group I) were managed with SurgiMend, a neonatal bovine mesh, and 12 patients (Group II) were managed with Flex HD, a human-derived mesh. RESULTS: The study cohorts met criteria for high-risk stratification based on body mass index, comorbid conditions, and a high prevalence of contaminated wounds. The overall surgical site infection rate was 17 % for Group I and 50 % for Group II. These differences reached statistical significance when comparing superficial infections but not for deep infections with mesh involvement. Hernia recurrences in Group I were 5 % compared to 33 % in Group II. No deaths were observed. CONCLUSIONS: These preliminary data demonstrate promising short-term outcomes for high-risk complex hernias repaired with biologic mesh, particularly SurgiMend, but the long-term durability of these biological materials is yet to be determined.

PMID: 22466148 [PubMed - as supplied by publisher]

Feasibility of Emergency Laparoscopic Colectomy for Children with Acute Colonic Perforations and Fibropurulent Peritonitis.

World J Surg. 2012 Apr 3;

Authors: Chang YT, Lee JY, Chiu CS, Wang JY

Abstract

BACKGROUND: Several studies have demonstrated that laparoscopic surgery is safe and effective for urgent and emergent colectomy in adulthood. The aim of the present study was to evaluate the feasibility of laparoscopic colectomy for children in emergent settings. METHODS: Between March 2008 and August 2011, 10 consecutive children with acute colonic perforations and fibropurulent peritonitis secondary to infectious colitis underwent emergency laparoscopic colectomy. Simultaneously, we reviewed and recorded the same data from another consecutive 10 patients who underwent standard laparotomy between November 2004 and February 2008. The two groups were compared with regard to operative time, length of hospital stay (LOS), and complications. RESULTS: The gender, age, body weight, serum C-reactive protein, number of involved bowel segments, operative time, and LOS were not significantly different (P = 0.36, 0.50, 0.33, 0.62, 0.81, 0.14 and 0.23, respectively). In the laparoscopy group, one patient required conversion to open surgery because of extensive bowel involvement, and another patient with solitary colonic perforation required reoperation for anastomostic leakage. However, patients who underwent laparotomy had a higher incidence of later complications, including wound infection, incisional hernia, and adhesion ileus (P = 0.03, 0.06, and 0.03, respectively) and thus required more additional unplanned operations (P = 0.05). CONCLUSIONS: Emergency laparoscopic surgery is technically feasible in most children with acute colonic perforations and fibropurulent peritonitis. However, extensive intestinal involvement with multiple perforations should be an indication for converting to open surgery.

PMID: 22476730 [PubMed - as supplied by publisher]

Risk Factors for Medically Treated Hypocalcemia after Surgery for Graves’ Disease: A Swedish Multicenter Study of 1,157 Patients.

World J Surg. 2012 Apr 4;

Authors: Hallgrimsson P, Nordenström E, Almquist M, Bergenfelz AO

Abstract

BACKGROUND: For reasons that remain unclear, surgery for Graves’ disease is associated with a higher risk of hypocalcemia than surgery for benign atoxic goiter. In the present study, we evaluated risk factors for postoperative hypocalcemia in patients undergoing operation for Graves’ disease. METHODS: Data from 1,157 patients who underwent operation for Graves’ disease between 2004 and 2008 were extracted from the Scandinavian database for Thyroid and Parathyroid Surgery. Risk factors for postoperative hypocalcemia (in-hospital i. v. calcium; treatment with vitamin D analog at discharge, at 6 weeks, and at 6 months postoperatively) were evaluated by logistic regression analysis. RESULTS: Risk factors for i. v. calcium were low hospital volume of thyroid surgery (odds ratio [OR]: 95 % confidence interval [95 % CI], 0.99: 0.99-1.00), age (0.95: 0.91-1.00), operative time (1.02: 1.01-1.02), university hospital (12.91: 2.68-62.30), and reoperation for bleeding (10.32: 1.51-70.69). The risk for treatment with vitamin D at discharge increased with operative time (1.01: 1.00-1.02), excised gland weight (1.01: 1.00-1.01), parathyroid autotransplantation (5.19: 2.28-11.84), and reoperation for bleeding (12.00: 2.43-59.28). At 6 weeks, vitamin D medication was associated with gland weight (1.00: 1.00-1.01), and preoperative medication with β-blockers (4.20: 1.67-10.55). At 6 months, vitamin D medication was associated with gland weight (1.00: 1.00-1.01) and reoperation for bleeding (10.59: 1.58-71.22). CONCLUSIONS: Risk factors for medically treated hypocalcemia varied at different times of follow-up. Young age, operative time, type of hospital, and parathyroid autotransplantation were associated with early postoperatively hypocalcemia. Preoperative β-blocker treatment was a risk factor at the first follow-up. At early and late follow-up, gland weight and reoperation for bleeding were associated with medically treated hypocalcemia.

PMID: 22476788 [PubMed - as supplied by publisher]

Comparison of Fresh-Frozen Cadaver and High-Fidelity Virtual Reality Simulator as Methods of Laparoscopic Training.

World J Surg. 2012 Apr 7;

Authors: Sharma M, Horgan A

Abstract

BACKGROUND: The aim of this study was to compare fresh-frozen cadavers (FFC) with a high-fidelity virtual reality simulator (VRS) as training tools in minimal access surgery for complex and relatively simple procedures. METHODS: A prospective comparative face validity study between FFC and VRS (LAP Mentor(™)) was performed. Surgeons were recruited to perform tasks on both FFC and VRS appropriately paired to their experience level. Group A (senior) performed a laparoscopic sigmoid colectomy, Group B (intermediate) performed a laparoscopic incisional hernia repair, and Group C (junior) performed basic laparoscopic tasks (BLT) (camera manipulation, hand-eye coordination, tissue dissection and hand-transferring skills). Each subject completed a 5-point Likert-type questionnaire rating the training modalities in nine domains. Data were analysed using nonparametric tests. RESULTS: Forty-five surgeons were recruited to participate (15 per skill group). Median scores for subjects in Group A were significantly higher for evaluation of FFC in all nine domains compared to VRS (p < 0.01). Group B scored FFC significantly better (p < 0.05) in all domains except task replication (p = 0.06). Group C scored FFC significantly better (p < 0.01) in eight domains but not on performance feedback (p = 0.09). When compared across groups, juniors accepted VRS as a training model more than did intermediate and senior groups on most domains (p < 0.01) except team work. CONCLUSIONS: Fresh-frozen cadaver is perceived as a significantly overall better model for laparoscopic training than the high-fidelity VRS by all training grades, irrespective of the complexity of the operative procedure performed. VRS is still useful when training junior trainees in BLT.

PMID: 22484566 [PubMed - as supplied by publisher]

Evaluation of Lymph Nodes in Patients with Colon Cancer Undergoing Colon Resection: A Population-based Study.

World J Surg. 2012 Apr 7;

Authors: Chang YJ, Chang YJ, Chen LJ, Chung KP, Lai MS

Abstract

BACKGROUND: Though lymph node status may predict long-term outcome of patients with non-metastatic colon cancer, discordant findings exist among various expressions of lymph node status. The present study was designed to assess the prognostic value among these lymph node evaluations. METHODS: The analysis was based on surgical patients with newly diagnosed colon adenocarcinoma registered in the Taiwan Cancer Database from 2003 to 2005. Exclusion criteria included those patients who had stage IV disease, those whose survival period was <1 month, or those whose lymph node information was unavailable. Studied variables included total number of lymph nodes (LNT), number of positive lymph nodes (LNP), number of negative lymph nodes (LNN), ratio of positive lymph nodes (LNR), and log odds of positive lymph nodes (LODDS). RESULTS: Of 16,790 newly diagnosed colon cancer patients, there were 9,644 (65.4 ± 13.5 years; male 54.9 %) patients with non-metastatic disease who met the criteria. Correlation analyses for patients with stage III disease showed that LNR and LODDS were highly correlated, as were LNT and LNN. By the Cox proportional hazard model, LNT was prognostic of long-term survival in patients with stage II disease, while LNR and LNP were the most powerful prognosticators for patients with stage III disease (p < 0.001). Both the receiver operating characteristics curve analysis and area under the curve indicated that LNR had the best discriminating capability to predict 5-year survival (0.704, 0.700, and 0.709 for overall, disease-free, and disease-specific survival, respectively), followed by LODDS. CONCLUSIONS: For patients undergoing resection for colon cancer, LNR, LODDS, and LNP are better prognostic factors for those with stage III disease than LNT is for patients with stage III disease.

PMID: 22484567 [PubMed - as supplied by publisher]

Timing of Two-stage Liver Resection during Chemotherapy for Otherwise Unresectable Colorectal Metastases.

World J Surg. 2012 Apr 7;

Authors: Tanaka K, Kumamoto T, Nojiri K, Takeda K, Ichikawa Y, Endo I

Abstract

BACKGROUND: Tumor downsizing by effective chemotherapy while increasing remnant liver volume by two-stage hepatectomy can expand eligibility for resection of otherwise unresectable liver metastases. However, optimal timing of two-stage hepatectomy with respect to chemotherapy is undetermined. METHODS: We retrospectively analyzed the effect of timing of two-stage hepatectomy and chemotherapy using data from 95 patients whose colorectal liver metastases initially were considered unresectable. RESULTS: In 21 of 22 (95 %) patients whose first liver resection preceded chemotherapy (Hx-CTx group) and in 39 of 73 (53 %) patients whose chemotherapy preceded surgery (CTx-Hx group), macroscopic complete resection ultimately was achieved (P < 0.01). Overall and disease-free survivals were comparable between groups. However, overall survival of patients not achieving complete resection in the CTx-Hx group was significantly poorer than that for patients achieving complete resection (P < 0.01). When the 21 patients with complete resection in the Hx-CTx group were compared to the 39 patients with complete resection in the CTx-Hx group, no difference in overall or disease-free survival was observed (P = 0.12 and P = 0.24, respectively), although poor response to chemotherapy was more frequent in the Hx-CTx group. CONCLUSIONS: Optimal timing of hepatectomy and chemotherapy is difficult to specify, but performing the initial resection in a two-stage hepatectomy before chemotherapy may increase likelihood of macroscopic complete resection, even in patients with a poor response to chemotherapy or with limited courses of chemotherapy.

PMID: 22484568 [PubMed - as supplied by publisher]

Open Abdomen Treatment with Dynamic Sutures and Topical Negative Pressure Resulting in a High Primary Fascia Closure Rate.

World J Surg. 2012 Apr 7;

Authors: Kafka-Ritsch R, Zitt M, Schorn N, Stroemmer S, Schneeberger S, Pratschke J, Perathoner A

Abstract

BACKGROUND: Open abdomen (OA) treatment with negative-pressure therapy is a novel treatment option for a variety of abdominal conditions. We here present a cohort of 160 consecutive OA patients treated with negative pressure and a modified adaptation technique for dynamic retention sutures. METHODS: From May 2005 to October 2010, a total of 160 patients-58 women (36 %); median age 66 years (21-88 years); median Mannheim peritonitis index 25 (5-43) underwent emergent laparotomy for diverse abdominal conditions (abdominal sepsis 78 %, ischemia 16 %, other 6 %). RESULTS: Hospital mortality was 21 % (13 % died during OA treatment); delayed primary fascia closure was 76 % in the intent-to-treat population and 87 % in surviving patients. Six patients required reoperation for abdominal abscess and five patients for anastomotic leakage; enteric fistulas were observed in five (3 %) patients. In a multivariate analysis, factors correlating significantly with high fascia closure rate were limited surgery at the emergency operation and a Björk index of 1 or 2; factors correlating significantly with low fascia closure rate were male sex and generalized peritonitis. CONCLUSIONS: With the aid of initially placed dynamic retention sutures, OA treatment with negative pressure results in high rates of delayed primary fascia closure. OA therapy with the technical modifications described is thus considered a suitable treatment option in various abdominal emergencies.

PMID: 22484569 [PubMed - as supplied by publisher]

Effects of Preoperative Oral Carbohydrate Supplementation on Postoperative Metabolic Stress Response of Patients Undergoing Elective Abdominal Surgery.

World J Surg. 2012 Apr 7;

Authors: Viganò J, Cereda E, Caccialanza R, Carini R, Cameletti B, Spampinato M, Dionigi P

Abstract

BACKGROUND: The goal of the present study was to evaluate the effects of preoperative oral carbohydrate supplementation (OCH) on the postoperative metabolic stress response of patients undergoing elective abdominal surgery. METHODS: The study was designed as a controlled, prospective, cohort study including 38 patients treated with OCH (800 mL the day before surgery and 400 mL within 3 h before the induction of anesthesia) and 38 controls matched for surgical procedure. Fasting glucose, insulin, insulin resistance (HOMA-IR index), cortisol, and interleukin 6 (IL-6) were assessed before and after surgery (postoperative day (POD) 1, 2, and 3). RESULTS: The administration of OCH resulted in lower fasting glucose, HOMA-IR index, cortisol, and IL-6 on both POD 1 and POD 2. At multivariable regression analyses, the reduction of these parameters was independent of sex, age, body mass index, and major abdominal surgery. Particularly, models including OCH treatment explained 70, 63, and 66 % of the variance of the increase in IL-6 levels at POD 1, POD 2, and POD 3, respectively. The effect of OCH on changes in glucose, insulin resistance, and cortisol on POD 1 and POD 2 disappeared after the inclusion of IL-6 in the models. CONCLUSIONS: Treatment with OCH was associated with attenuation of the postoperative metabolic stress response. We hypothesize that modulation of the inflammatory response is one of the mechanisms involved.

PMID: 22484570 [PubMed - as supplied by publisher]

Noninvasive Positive Pressure Ventilation in the Management of Post-thyroidectomy Tracheomalacia: Reply.

World J Surg. 2012 Mar 7;

Authors: Chi SY, Chou FF

PMID: 22395341 [PubMed - as supplied by publisher]

Update on Breast Reconstruction Techniques and Indications.

World J Surg. 2012 Mar 7;

Authors: Petit JY, Rietjens M, Lohsiriwat V, Rey P, Garusi C, De Lorenzi F, Martella S, Manconi A, Barbieri B, Clough KB

Abstract

Breast reconstruction is considered as part of the breast cancer treatment when a mastectomy is required. Implants or expanders are the most frequent techniques used for the reconstructions. Expander provides usually a better symmetry. A contralateral mastoplasty often is required to improve the symmetry. The nipple areola complex, which can be preserved in certain conditions, is usually removed and can be reconstructed in a second stage under local anesthesia. In case of radical mastectomy and/or radiotherapy, a musculocutaneous flap, such as rectus abdominis or latissimus dorsi autologous flaps, is required. When microsurgical facilities are available, free or perforator flaps respecting the muscle are preferred to decrease the donor site complications. In situ carcinomas or prophylactic mastectomy can be reconstructed immediately as well as invasive carcinoma according to the recent literature. Locally advanced breast cancer can be reconstructed after complete oncologic treatment. Radiotherapy of the thoracic wall is proposed in case of lymph node metastases, raising the discussion about the technique choice and the timing of the reconstruction. Plastic surgery procedures can improve the cosmetic results of the conservative surgery, also extending its indications and reducing both mastectomy and reexcision rates. Oncoplasty techniques are becoming more and more sophisticated, requiring the skill of trained plastic surgeons. Numerous publications confirm the psychosocial benefit resulting from the breast reconstruction.

PMID: 22395342 [PubMed - as supplied by publisher]

Breast Abscess, an Early Indicator for Diabetes Mellitus in Non-lactating Women: A Retrospective Study from Rural India.

World J Surg. 2012 Mar 7;

Authors: Verghese BG, Ravikanth R

Abstract

INTRODUCTION: Breast abscess is commonly seen in lactating and non-lactating women. Diabetes mellitus (DM) frequently predisposes to soft tissue infections and has many different presentations. But DM presenting in the form of breast abscess is yet to be studied, and we believe our study is the first to explore this connection. METHODS: We collected 30 cases of breast abscess in women who presented to our hospital from May 2010 to June 2011 retrospectively. They were classified into lactating and non-lactating women, and their glycemic status was evaluated, together with length of hospital stay, management, recurrence, and follow-up status after 6 months. RESULTS: We found that of the 30 patients in our study, 20% had high blood sugar levels. And 37.5% of the non-lactating women were diagnosed newly with DM. CONCLUSIONS: This study shows that DM can present as breast abscess in non-lactating women. Therefore, non-lactating women with a breast abscess should be evaluated for DM.

PMID: 22395343 [PubMed - as supplied by publisher]

Laparoscopic-Assisted and Open High Anterior Resection within an ERAS Protocol.

World J Surg. 2012 Mar 7;

Authors: Gustafsson UO, Tiefenthal M, Thorell A, Ljungqvist O, Nygrens J

Abstract

BACKGROUND: Due to potentially superior short-term outcomes compared with open colorectal surgery, laparoscopic surgery is currently being implemented in clinical practice worldwide. In parallel, enhanced recovery after surgery (ERAS) programs are shown to improve postoperative recovery in open colorectal surgery. This study reports outcomes in laparoscopic versus open surgery in conjunction with compliance to the ERAS protocol. METHODS: The association between surgical approach (laparoscopic or open surgery), compliance to the ERAS protocol, postoperative symptoms, complications, and length of stay after surgery was studied. Between January 2007 to December 2010, 114 consecutive patients underwent elective high anterior resection with laparoscopic-assisted (n = 55) or open resection (n = 59). All clinical data (114 variables) were prospectively recorded. RESULTS: The overall preoperative ERAS-protocol compliance was 77% for both the laparoscopic and open group. Laparoscopic surgery resulted in shorter total length of stay (median 4 vs. 6 days, p = 0.04), earlier pain control (median 2 vs. 3 days, p = 0.008), shorter need for intravenous infusions, improved mobilization on the first postoperative day (POD1), and lower inflammatory response (CRP (POD1) 54 ± 24 vs. 67 ± 31 mg/l, p = 0.017) compared with open resection. The trends in fewer postoperative complications (9.1 vs. 16.9%; odds ratio (OR) 0.55; 95% confidence interval (CI) 0.17-1.81) and overall postoperative symptoms delaying recovery (20 vs. 30.5%; OR 0.63; 95% CI 0.22-1.34) in laparoscopic surgery were not statistically significant. CONCLUSIONS: The use of laparoscopy in colorectal surgery within an ERAS protocol results in faster recovery compared with open resection.

PMID: 22395344 [PubMed - as supplied by publisher]

Tissue-Engineered Heart Valve: Future of Cardiac Surgery.

World J Surg. 2012 Mar 7;

Authors: Rippel RA, Ghanbari H, Seifalian AM

Abstract

BACKGROUND: Heart valve disease is currently a growing problem, and demand for heart valve replacement is predicted to increase significantly in the future. Existing “gold standard” mechanical and biological prosthesis offers survival at a cost of significantly increased risks of complications. Mechanical valves may cause hemorrhage and thromboembolism, whereas biologic valves are prone to fibrosis, calcification, degeneration, and immunogenic complications. METHODS: A literature search was performed to identify all relevant studies relating to tissue-engineered heart valve in life sciences using the PubMed and ISI Web of Knowledge databases. DISCUSSION: Tissue engineering is a new, emerging alternative, which is reviewed in this paper. To produce a fully functional heart valve using tissue engineering, an appropriate scaffold needs to be seeded using carefully selected cells and proliferated under conditions that resemble the environment of a natural human heart valve. Bioscaffold, synthetic materials, and preseeded composites are three common approaches of scaffold formation. All available evidence suggests that synthetic scaffolds are the most suitable material for valve scaffold formation. Different cell sources of stem cells were used with variable results. Mesenchymal stem cells, fibroblasts, myofibroblasts, and umbilical blood stem cells are used in vitro tissue engineering of heart valve. Alternatively scaffold may be implanted and then autoseeded in vivo by circulating endothelial progenitor cells or primitive circulating cells from patient’s blood. For that purpose, synthetic heart valves were developed. CONCLUSIONS: Tissue engineering is currently the only technology in the field with the potential for the creation of tissues analogous to a native human heart valve, with longer sustainability, and fever side effects. Although there is still a long way to go, tissue-engineered heart valves have the capability to revolutionize cardiac surgery of the future.

PMID: 22395345 [PubMed - as supplied by publisher]

Toward an Improved Understanding of Isolated Upright Reflux: Positional Effects on the Lower Esophageal Sphincter in Patients with Symptoms of Gastroesophageal Reflux.

World J Surg. 2012 Mar 7;

Authors: Hoppo T, Komatsu Y, Nieponice A, Schrenker J, Jobe BA

Abstract

BACKGROUND: The purpose of this study was to assess the effect of body position on lower esophageal sphincter (LES) structure and function. METHODS: Symptomatic patients underwent high-resolution manometry in the supine and upright positions followed by pH testing. Regardless of whether there was a positive DeMeester score, isolated upright reflux patterns were considered present when the supine fraction of time pH <4 = 0%. Predominant-upright and predominant-supine bipositional reflux (SBR) patterns were considered present when the supine fraction of time was <upright fraction of time pH <4 and the supine fraction was >upright fraction of time pH <4, respectively. RESULTS: Of 128 patients, 35 isolated upright, 55 predominant-upright bipositional, and 27 SBR patients were identified. When supine, LES pressure/length was higher in upright compared to bipositional reflux patients. When upright, there was no difference in LES pressure/length between groups. The LES in isolated upright reflux patients became defective when moved from supine to upright position compared to bipositional patients, where the LES was defective regardless of position. Although the incidence of laryngopharyngeal reflux (LPR) events was comparable between groups, isolated upright patients commonly had a normal DeMeester score. CONCLUSION: Position impacts LES competency in those with upright reflux and would not be detected with supine manometry. Upright reflux can be associated with GERD and LPR despite negative pH testing.

PMID: 22395346 [PubMed - as supplied by publisher]

Is There any Benefit from Expanding the Criteria for the Resection of Hepatocellular Carcinoma in Cirrhotic Liver? Experience from a Developing Country.

World J Surg. 2012 Mar 7;

Authors: Galun DA, Bulajic P, Zuvela M, Basaric D, Ille T, Milicevic MN

Abstract

BACKGROUND: Patients with large-size (>10 cm) hepatocellular carcinoma (HCC) in Child B cirrhosis are usually excluded from curative treatment, i.e., hepatic resection, because of marginal liver function and poor outcome. This study was designed to evaluate the feasibility of the radiofrequency (RF)-assisted sequential “coagulate-cut liver resection technique” in expanding the criteria for resection of large HCC in cirrhotic livers with impaired liver function. METHODS: Forty patients with Child-Pugh A or B cirrhosis underwent liver resection from December 1, 2001 to December 31, 2008. Of these, 20 patients (13 Child-Pugh A and 7 Child-Pugh B) with advanced stage HCC (stage B and C according to Barcelona-Clinic Liver Cancer Group) underwent major liver resection. The two groups were comparable in terms of patient age, liver cirrhosis etiology, tumor number, and size. RESULTS: All resections were performed without the Pringle maneuver. There was no significant difference found between the two groups regarding resection time, perioperative transfusion, postoperative complications, hospital stay, and day 7 values of hemoglobin and liver enzymes. Likewise, there was no significant difference found in the overall survival between Child A and Child B patients who underwent major liver resection CONCLUSIONS: RF-assisted sequentional “coagulate-cut liver resection technique” may be a viable alternative for management of patients with advanced HCC in cirrhotic liver with impaired function.

PMID: 22395347 [PubMed - as supplied by publisher]

Indications for Surgery and Significance of Unrecognized Cancer in Endemic Multinodular Goiter.

World J Surg. 2012 Mar 7;

Authors: Lasithiotakis K, Grisbolaki E, Koutsomanolis D, Venianaki M, Petrakis I, Vrachassotakis N, Chrysos E, Zoras O, Chalkiadakis G

Abstract

BACKGROUND: The exclusion of cancer in endemic goiter is often difficult mainly because of the high number of nodules and the as-yet unclear natural history of diagnosed cancer in endemic goiter patients. In a large number of consecutive patients who were to undergo total thyroidectomy for endemic multinodular goiter, we assessed indications for surgery and thyroid cancer outcome. METHODS: All patients who were to undergo total thyroidectomy for diffuse multinodular goiter on histological examination between January 1990 and October 2008 were evaluated. RESULTS: Of the 1,161 patients included in the study, 252 were cases of thyroid cancer (21.7%). Sensitivity of thyroid ultrasound (US) and fine-needle aspiration cytology (FNAC) for cancer detection was 30.3 and 64.1%, respectively. Differentiated thyroid carcinoma accounted for most of the tumors (96%), with 54.8% of them being papillary microcarcinomas, while bilateral-multicentric cancer occurred in 20.3%. In multivariate analysis, younger age (p = 0.06), sonographic findings (p = 0.03), and presence of histological thyroiditis (p = 0.09) were independently associated with the occurrence of tumors with diameter greater than 2 cm. The percentage of transient and permanent postoperative complications were approximately 25 and below 2%, respectively. After a median follow-up time of 78.5 months, overall recurrence rate was 6.7% and disease-specific mortality was 1.2%. CONCLUSION: As US and FNAC did not consistently detect cancer in patients with diffuse multinodular goiter in our endemic area, evidence-based indications for surgery in this group of patients is needed, although radical surgery and favorable tumor histology offer favorable outcomes in commonly diagnosed thyroid cancer after total thyroidectomy for endemic multinodular goiter.

PMID: 22395348 [PubMed - as supplied by publisher]

Postoperative Hungry Bone Syndrome in Patients with Secondary Hyperparathyroidism of Renal Origin.

World J Surg. 2012 Mar 8;

Authors: Goldfarb M, Gondek SS, Lim SM, Farra JC, Nose V, Lew JI

Abstract

BACKGROUND: Hungry bone syndrome (HBS) is a postoperative condition of severe hypocalcemia that can be seen in patients who have undergone parathyroidectomy (PTX) for secondary hyperparathyroidism (2HPT) of renal origin. This study examines HBS in patients after PTX for 2HPT. METHODS: Prospectively collected data was retrospectively reviewed in patients who underwent PTX for 2HPT of renal origin at a single institution. HBS was defined as the need for additional days of hospitalization or readmission for intravenous calcium supplementation due to clinical symptoms of hypocalcemia, including tingling, muscle spasms, and bone pain and/or immediate postoperative low serum calcium ≤7.5 mg/dl. RESULTS: Of 79 patients who underwent PTX for 2HPT, 27.8% (n = 22) experienced HBS. Young age (≤45 years, p = 0.02) was the only preoperative variable that predicted HBS. Most patients developed HBS within 18 h after surgery and required a prolonged hospital stay (19/22) compared to those requiring hospital readmission within the first 7 days (3/22). Initial postoperative serum calcium levels within 18 h of surgery were significantly lower in those patients who developed HBS (7.1 vs. 8.3 mg/dl, p = 0.001), and those patients also had a greater absolute decrease in serum calcium (2.8 vs. 3.5 mg/dl, p = 0.04). CONCLUSION: HBS develops in a significant proportion of patients generally within the first 18 h after subtotal PTX for 2HPT. The only identifiable preoperative risk factor for HBS was young age. Additionally, low initial calcium levels and greater absolute decrease in serum calcium may help identify those patients that will develop HBS requiring judicious calcium supplementation.

PMID: 22399154 [PubMed - as supplied by publisher]

A Prospective Evaluation of Quick Intraoperative Parathyroid Hormone Assay at the Time of Skin Closure in Predicting Clinically Relevant Hypocalcemia after Thyroidectomy.

World J Surg. 2012 Mar 8;

Authors: Lang BH, Yih PC, Ng KK

Abstract

BACKGROUND: Post-thyroidectomy hypocalcemia is a major contributing factor in delayed hospital discharge and dissuading surgeons from ambulatory thyroidectomy. We prospectively evaluated the accuracy and reliability of quick parathyroid hormone level measurement at skin closure (PTH-SC) in predicting clinically relevant hypocalcemia (i.e., patients requiring calcium ± calcitriol supplements on hospital discharge). METHODS: Of the 117 patients who underwent a total or completion total thyroidectomy and PTH-SC, 17 (14.5 %) had hypocalcemic symptoms or adjusted calcium <1.90 mmol/L requiring calcium and/or calcitriol supplements on discharge. Serum calcium was checked regularly in the perioperative period until stabilization and an additional quick PTH was checked on the following morning (PTH-D1). Univariate and multivariate analyses were performed to evaluate potential preoperative clinicopathologic factors and postoperative day 0 biochemical indicators. Youden’s index and the area under the ROC curve (AUC) were used to determine the best cutoff value and predictability of significant variables or criteria, respectively. RESULTS: In the multivariate analysis, low preoperative adjusted calcium (p = 0.041) and low PTH-SC (p = 0.001) were the two independent variables associated with hypocalcemia. PTH-SC (≤1 or >1 pmol/L) had a higher specificity (95.0 %) and AUC (0.887) than serial calcium monitoring or PTH-D1 alone. Although 3/98 of patients with PTH-SC >1 pmol/L required calcium supplements on discharge, they required only the minimum amount to maintain normocalcemia. CONCLUSION: PTH-SC is an accurate and reliable means of predicting clinically relevant hypocalcemia. It would be reasonable to discharge those with PTH-SC >1 pmol/L on the same operative day as the risk of life-threatening hypocalcemia would seem unlikely.

PMID: 22399155 [PubMed - as supplied by publisher]

Challenges of Surgery in Developing Countries: A Survey of Surgical and Anesthesia Capacity in Uganda’s Public Hospitals.

World J Surg. 2012 Mar 9;

Authors: Linden AF, Sekidde FS, Galukande M, Knowlton LM, Chackungal S, McQueen KA

Abstract

BACKGROUND: There are large disparities in access to surgical services due to a multitude of factors, including insufficient health human resources, infrastructure, medicines, equipment, financing, logistics, and information reporting. This study aimed to assess these important factors in Uganda’s government hospitals as part of a larger study examining surgical and anesthesia capacity in low-income countries in Africa. METHODS: A standardized survey tool was administered via interviews with Ministry of Health officials and key health practitioners at 14 public government hospitals throughout the country. Descriptive statistics were used to analyze the data. RESULTS: There were a total of 107 general surgeons, 97 specialty surgeons, 124 obstetricians/gynecologists (OB/GYNs), and 17 anesthesiologists in Uganda, for a rate of one surgeon per 100,000 people. There was 0.2 major operating theater per 100,000 people. Altogether, 53% of all operations were general surgery cases, and 44% were OB/GYN cases. In all, 73% of all operations were performed on an emergency basis. All hospitals reported unreliable supplies of water and electricity. Essential equipment was missing across all hospitals, with no pulse oximeters found at any facilities. A uniform reporting mechanism for outcomes did not exist. CONCLUSIONS: There is a lack of vital human resources and infrastructure to provide adequate, safe surgery at many of the government hospitals in Uganda. A large number of surgical procedures are undertaken despite these austere conditions. Many areas that need policy development and international collaboration are evident. Surgical services need to become a greater priority in health care provision in Uganda as they could promise a significant reduction in morbidity and mortality.

PMID: 22402968 [PubMed - as supplied by publisher]