A score model based on pancreatic steatosis and fibrosis and pancreatic duct diameter to predict postoperative pancreatic fistula after Pancreatoduodenectomy.

PURPOSES: To establish a scoring model for the risk of postoperative pancreatic fistula (POPF) following pancreatoduodenectomy (PD). METHODS: PD Patients from 7 institutions in 2 independent sets: developmental (n = 457) and validation cohort (n = 152) were retrospectively enrolled and analyzed. Pancreatic Fibrosis (PF) and Pancreatic Steatosis (PS) were assessed by pathological examination of the pancreatic stump. RESULTS: Stepwise univariate and multivariate analysis indicated that pancreatic duct diameter ≤ 3 mm, increased PS and decreased PF were independent risk factors for POPF and Clinically Relevant Postoperative Pancreatic Fistula (CR-POPF). Based on the relative weight and odds ratio of each factor in the POPF, a simplified scoring model was developed. And patients were stratified into high-risk group (22~28 points), medium-risk group (15~21 points) and low-risk group (8~14 points). The receiver operating characteristic curve demonstrated that the Area under the curve for the predictive model was 0.868 and 0.887 in the model design group and the external validation group. CONCLUSIONS: This study establishes a simplified scoring model based on accurately and quantitatively measuring the PS, PF and pancreatic duct diameter. The scoring model accurately predicted the risk of POPF.

A randomized comparison of primary closure and T-tube drainage of the common bile duct after laparoscopic choledochotomy.

BACKGROUND: Traditionally, the common bile duct (CBD) has been closed with T-tube drainage after laparoscopic choledochotomy and removal of CBD stones. However, insertion of the T-tube is related to some potential postoperative complications, and patients must carry the T-tube for several weeks before its removal. Primary closure of the CBD without drainage has been proposed as a safe alternative to T-tube placement after laparoscopic choledochotomy. This randomized study aimed to compare the postoperative course and final outcome between the two methods applied after LCBDE. METHODS: Between January 2000 and January 2004, 80 patients treated with laparoscopic choledochotomy for CBD stones were randomly assigned to primary duct closure (n = 40) or T-tube drainage (n = 40). The primary end points were morbidity, operative time, postoperative stay, hospital expenses, and time until return to work. RESULTS: There were no differences in the demographic characteristics or clinical presentations between the two groups. In the primary closure group, the postoperative stay (5.2 +/- 2.2 vs 8.3 +/- 3.6 days) and the time until return to work (12.6 +/- 5.1 vs 20.4 +/- 13.2 days) were significantly shorter, the hospital expenses (8,638 +/- 2,946 vs 12,531 +/- 4,352 yuan) were significantly lower, and the incidences of postoperative complications (15% vs 27.5%) and biliary complications (10% vs 20%) were statistically and insignificantly lower than in the T-tube drainage group. In the primary closure group, six patients experienced postoperative complications, four of whom had biliary complications, compared, respectively, with 11 and 8 patients in the T-tube drainage group. CONCLUSIONS: This study showed that primary CBC closure after laparoscopic choledochotomy was a viable alternative to mandatory T-tube drainage.