[Endoscopic papillosphincterotomy for the treatment of pancreaticobiliary disease].

From July 1987 to March 1996, endoscopic papillosphincterotomy (EST) was performed in 346 patients of 2,700 cases undergoing ERCP. Maj or indications for EST were choledocholithiasis, constrictive papillitis, chronic pancreatitis, biliary ascariasis and dysfunction of Oddi's sphincter. The EST was successful in 331 cases, ang the overall success rate was 95.7%. The stone discharge rate was 96%. The stricturotomy rate was 93.8%. The failure rate was 4.3% (15 cases). Clinical application and prevention of complications for EST were discussed.