Korean J Gastrointest Endosc.  2006 Jan;32(1):21-26.

Analysis of Factors Influencing the Long Term Outcome after Endoscopic Stenting for Benign Biliary Stricture

Affiliations
  • 1Department of Internal Medicine and Liver Research Institute, Seoul National University Bundang Hospital, Bundang, Korea.
  • 2Department of Internal Medicine, Seoul National University Boramae Hospital, Seoul, Korea.
  • 3Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea. yongtkim@snu.ac.kr

Abstract

BACKGROUND/AIMS: The problem with endoscopic management for benign biliary stricture is the occurrence of restenosis after removal of biliary stents. However the factors that influence the rate of restenosis have not yet been identified. The aim of this study was to identify the factors that affect patency of the bile duct after removal of an endoscopic stent for management of benign biliary stricture.
METHODS
The medical records and potential factors that influence biliary restenosis were analyzed in 19 patients with benign biliary stricture.
RESULTS
At the time of stent removal, successful stricture resolution was noted in 13 out of 19 patients. Among these 13 patients, good biliary patency, without restenosis, was observed in 10 patients during a mean follow-up of 24 months. The time interval, from biliary surgery to stricture, tended to be shorter in the group with good results compared to the group with poor results (6.2+/-3.3 months vs. 80.2+/-139.3 months respectively: p=0.07). Other factors did not affect the rate of restenosis after removal of the stent.
CONCLUSIONS
The time interval, from biliary surgery to stricture, tends to influence restenosis after endoscopic management for benign biliary stricture.

Keyword

Benign biliary stricture; Stent; Endoscopic biliary drainage
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