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Updated: Jun 10, 2026

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
Published on: March 25, 2022
Biliary stent placement is associated with post-ERCP pancreatitis.
C Mel Wilcox1, Milind Phadnis, Shyam Varadarajulu
1Division of Gastroenterology and Hepatology, University of Alabama at Birmingham, Birmingham, Alabama 35294-0007, USA.
Bile duct stenting during ERCP is an independent risk factor for post-procedure pancreatitis. Pancreatitis risk was not linked to sphincterotomy or stent features, highlighting stenting as a key consideration.
Area of Science:
- Gastroenterology
- Endoscopic Retrograde Cholangiopancreatography (ERCP)
Background:
- Post-ERCP pancreatitis is a known complication with multifactorial causes.
- The specific impact of biliary stenting on post-ERCP pancreatitis has been underexplored.
Purpose of the Study:
- To investigate the association between biliary stenting and the development of post-ERCP pancreatitis.
Main Methods:
- A prospective, single-center study included patients undergoing ERCP with biliary stenting over 7.5 years.
- Data collected included patient demographics, procedure details, and follow-up at 24-48 hours and 1 month.
- The primary outcome measured was the rate of post-ERCP pancreatitis.
Main Results:
- Bile duct stenting was identified as an independent predictor of post-ERCP pancreatitis (OR, 1.72).
- Other significant risk factors included previous ERCP pancreatitis, age, history of acute pancreatitis, pancreatic sphincterotomy, and suspected sphincter of Oddi dysfunction.
- No significant difference in pancreatitis rates was observed based on stent characteristics or prior sphincterotomy.
Conclusions:
- Biliary stent placement is an independent risk factor for post-ERCP pancreatitis.
- Pancreatitis risk is not influenced by performing sphincterotomy before stenting or by specific stent characteristics.
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