Retrospective study on preventive usage of metal clip after EST

Objective To study on the metal clip installation to avoid post-operative bleeding in patients accepted papilla sphinetecotomy. Methods One hundred and eighty five patients who accepted ERCP ＋ EST were divided into two groups ： Group 1 was given routine regimen alone （ N = 95 ） , group 2, given routine regimen and metal clip to prevent post-operative bleeding. Results The postoperative bleeding happened in 3 （ 3.2% ） cases of Group 1 and none in Group 2, there is significant difference between these two groups （ P 〈 0. 05）. The breeding cases in group I were controlled by metal clip under endoscopy successfully. Condusion Preventive usage of metal clip was significantly decreased the incidence of post-operative bleeding in EST patients. Key words: Endoscopic sphincterotomy ;  Bleeding;  Prevention ;  Metal clip