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Related Experiment Videos

Sphincterotomy-associated biliary strictures: features and endoscopic management.

M J Bourke1, A B Elfant, R Alhalel

  • 1Centre for Therapeutic Endoscopy and Endoscopic Oncology, The Wellesley Hospital, University of Toronto, Toronto, Ontario, Canada.

Gastrointestinal Endoscopy
|October 7, 2000
PubMed
Summary

Sphincterotomy-associated biliary strictures, a complication of endoscopic biliary sphincterotomy, can be treated with serial stent placement. This method successfully resolved strictures in all patients, allowing them to remain asymptomatic long-term.

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Area of Science:

  • Gastroenterology
  • Endoscopic retrograde cholangiopancreatography (ERCP)
  • Biliary tract disease

Background:

  • Sphincterotomy stenosis is a known complication of endoscopic biliary sphincterotomy.
  • A distinct complication, sphincterotomy-associated biliary strictures, involves narrowing extending beyond the duodenal wall and is not treatable by repeat sphincterotomy.

Purpose of the Study:

  • To describe the characteristics of sphincterotomy-associated biliary strictures.
  • To evaluate the efficacy of serial stent placement for managing these strictures.

Main Methods:

  • Six patients with high-grade biliary strictures post-sphincterotomy were treated.
  • Endoscopic management involved serial, incremental stent exchanges over 2-4 month intervals, aiming for side-by-side stent placement.

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Main Results:

  • All six patients achieved stricture resolution, confirmed by cholangiography.
  • Stent placement varied from two 11.5F stents to a combination of 10F and 7F stents in resistant cases.
  • Median stent duration was 12.5 months, with patients remaining asymptomatic at a median of 26.5 months post-treatment.

Conclusions:

  • Sphincterotomy-associated biliary strictures are a distinct entity not amenable to repeat sphincterotomy.
  • Serial placement of incrementally increasing diameter stents offers a successful management strategy for these recalcitrant biliary strictures.