Korean J Gastrointest Endosc.  2004 Jun;28(6):298-306.

A Comparative Study of Complications after Endoscopic Sphincterotomy according to the Types of Electrosurgical Current

  • 1Department of Internal Medicine, Catholic University of Daegu School of Medicine, Daegu, Korea. hgkim@cu.ac.kr


Endoscopic biliary sphincterotomy (EST) has a very important role in the treatment of pancreatico-biliary diseases, but it has complications. We retrospectively investigated whether the types of electrosurgical currents affect occurence of complications. MEHTODS: In pancreatico-biliary diseases, consecutive 150 patients undergoing EST with pure cutting current (cutting group) and then consecutive 150 patient with blend current (blended group) were studied in respect to post-EST complications and the presence of periampullary diverticulum and papillitis in major papilla. Major bleeding was defined as a decrease in hemoglobin of at least 2 g/dL. Clinical pancreatitis was defined as abdominal pain with elevated serum amylase above three times about the upper normal limit after 48 hour.
Major bleeding has not occurred. Minor bleeding occurred in 25/300 patients (8.3%), but was not different in cutting group (n=150) and blended group (n=150). Except 54 patients with elevated amylase before procedure, pancreatitis occurred in 13/246 patients (5.3%), but was not different in cutting group (n=122) and blended group (n=124). Two cases in blended group had moderate pancreatitis. There was no differences of bleeding, pancreatitis, in patients with diverticulum (n=112) and without diverticulum (n=188). Minor bleeding was more common in patients with papillitis (n=24) than without papillitis (n=276) (p=0.000), but the incidence of post EST pancreatitis was similar. In 235 patients with choledocholithiasis, there was no difference in terms of bleeding, pancreatitis in cutting group (n=120) and blended group (n=115).
Post- EST bleeding and pancreatitis were not affected by the types of electrosurgical current used. When EST was performed in patient with papillitis, minor bleeding was observed commonly.


Endoscopic sphincterotomy; Electrosurgical current; Complication
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