Abstract:Objective To investigate the causes, diagnosis and surgical treatment of ERCP related duodenal perforation. Methods Clinical data of 6 cases of surgical treatment of ERCP related duodenal perforation were retrospective analyzed. All the 6 perforation patients underwent emergency surgical procedure, including 3 cases transfered from other hospital after duodenal perforation. 4 cases with a history of abdominal surgery. Preoperative confirmed bravery manager stone 4 cases, 1 case of obstructive jaundice after gallbladder surgery, bile duct expansion in 1 case. Results Perforation causes include duodenum mirror improper operation related in 2 cases, duodenal papilla sphincterotomy related 3 cases (1 case of pre-dissection operation with needle knife), small endoscopic sphincterotomy combined with endoscopic papillary balloon dilation lead to perforation in 1 case.4 cases of intraoperative found right kidney week pneumatosis, 2 cases of postoperative CT found after peritoneal pneumatosis, effusion. All patients with surgery including common bile duct exploration, T tube drainage, duodenal perforation repair, jejunum colostomy, among them 2 cases at the same time line of gastrointestinal anastomosis. 5 cases recovered, 1 case died.Conclusions Inappropriate duodenal papilla sphincter incision indications and Many previous abdominal surgery have higher perforated ration; Found in time, reasonable treatment is the most important; For serious typeⅠand typeⅡperforation, active surgical treatment in time, can effectively reduce serious consequences caused by the ERCP related perforation.