[Analysis of predisposing factors for pancreatic fistula after pancreaticoduodenectomy].
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OBJECTIVE
To analyze the predisposing factors for pancreatic fistula after pancreaticoduodenectomy.
METHODS
The clinical data of 323 patients undergoing pancreaticoduodenectomy from January 2007 to March 2012 were analyzed retrospectively. There were 185 male and 138 female patients, aging from 27 to 82 years. All the patients were devided into pancreatic fistula group (n = 52) and non-pancreatic fistula group (n = 271). Twenty variables, such as age, sex, primary disease, alcohol abuse, cholangitis, bilirubin, albumin, hemoglobin, operating time, blood loss, transfusion, texture of the remnant pancreas, diameter of wirsung, drainages of pancreatic duct, specialized group which potentially affect the incidence, were analyzed by t test for continuous variables and χ(2) test for discrete variables. The variables with significance (P < 0.05) were then analyzed with Logistic regression model.
RESULTS
Of all the 323 patients, the overall morbidity rate was 30.3% (98/323), and the mortality was 3.7% (12/323). Pancreatic fistula rate was 16.1% (52/323), 7 patients died for pancreatic fistula PF. In univariate analysis, primary disease, preoperative high bilirubin level, intraoperative blood loss and transfusion, texture of the remnant pancreas, diameter of wirsung, drainages of pancreatic duct, specialized group had significant difference between two groups (χ(2) = 4.072 to 9.008, P < 0.05). Multivariate logistic regression analysis revealed that primary disease (OR = 2.091, P = 0.001), texture of the remnant pancreas (OR = 7.715, P = 0.040), diameter of wirsung (OR = 5.405, P = 0.006), pancreatic duct stent (OR = 4.313, P = 0.001) and specialized group (OR = 6.404, P = 0.006) were independent risk factors in pancreatic fistula.
CONCLUSIONS
Primary disease, texture of the remnant pancreas, diameter of wirsung, pancreatic duct stent and specialized group are independent risk factors in pancreatic fistula. With the purpose of decreasing pancreatic fistula rate after PD, it is necessary to operate meticulously and precisely, place external pancreatic duct stent and establish pancreatic center or specialized group.
