Discussion On Occurrence And Prevention Of Alimentary Tract Fistula In Severe Acute Pancreatitis

Objective: To investigate occurrence and prevention of alimentary tract fistula insevere acute pancreatitis（SAP）. Methods: A retrospective study was made on23SAPcases admitted in our hospital between Jan2000to Jan2012complicated with alimentarytract fistulas. the location and the occurring time of fistulas together with status ofdrainage tube implantation were analyzed. Results:143case of severe acute pancreatitispatients underwent surgery, including23cases of digestive tract fistula,11cases occurredcolonic fistulas (47.8%,11/23),7cases with duodenum fistulas (30.4%,7/23),4caseswith small intestine fistulas all of which were located in intestinum jejunum (17.4%,4/23),1case with stomach fistula (4.35%,1/23).23cases were all diagnosedby contrast radiography. Conclusion: Alimentary tract fistulas complicated by SAP isrelated to anatomic factors, local inflammation and improper surgical therapy. Theemphases of therapy should be simple operation, avoid excessively debridement. Theimplantation of drainage tube should consider mechanical force and conform to the trendof the intestinal canal.