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Risk Factors for Early Cholangitis Following Biliary Plastic Stent Placement
Bianca Doamna1, Anca Sugeac2, Cristiana Popp3
1Carol Davila University of Medicine and PharmacyBucharestRomania.
Endoscopy International Open
|August 12, 2026
Summary
Early cholangitis after biliary plastic stenting is common. A positive bile culture during the initial endoscopic retrograde cholangiopancreatography (ERCP) procedure is the primary risk factor for developing cholangitis.
Area of Science:
- Gastroenterology
- Hepatology
- Biliary Interventions
Background:
- Biliary plastic stents are crucial for biliary drainage but often lead to complications like dysfunction and cholangitis.
- Early cholangitis post-ERCP poses significant clinical challenges and mortality risks.
Purpose of the Study:
- To identify risk factors for early cholangitis following biliary plastic stent placement.
- To assess the clinical impact of early cholangitis and analyze bile composition changes.
- To evaluate the association between indwelling stents and bile characteristics.
Main Methods:
- Prospective, longitudinal observational study of 159 patients undergoing ERCP with biliary plastic stent placement.
- Bile samples collected pre-ERCP for microbiological and chemical analysis; follow-up at 3 months for stent patency and repeat bile sampling.
- Multivariable logistic regression used to determine independent predictors of early cholangitis (<3 months).
Main Results:
- 47 out of 136 patients (34.6%) developed early cholangitis.
- Positive bile culture at the initial ERCP was the sole independent predictor of early cholangitis (OR 4.71).
- Stent occlusion, characteristics, and obstruction severity did not correlate with cholangitis; 7 deaths were cholangitis-related.
Conclusions:
- Early cholangitis is a frequent complication of biliary plastic stenting.
- Positive bile cultures at the time of stent placement are a significant predictor of early cholangitis.
- Pre-stenting bile cultures can aid in identifying high-risk patients for cholangitis.
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