Risk factors for recurrence of common bile duct stones after endoscopic biliary sphincterotomy

Author:

Li Sujuan12,Su Bingzhong2,Chen Ping2,Hao Jianyu1

Affiliation:

1. Department of Gastroenterology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, P.R. China

2. Department of Gastroenterology, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, P.R. China

Abstract

Objective Late complications after endoscopic biliary sphincterotomy (EST) include stone recurrence, but no definite risk factors for recurrence have been established. This study was performed to identify the predictors of recurrence and evaluate the clinical outcomes of EST for common bile duct stones. Methods In total, 345 eligible patients who successfully underwent EST were evaluated and followed up. Statistical analysis was performed on patients with recurrence or who had undergone at least 6 months of reliable follow-up to detect the risk factors for recurrence. Results A total of 57 patients (16.52%) developed recurrence of common bile duct stones. The median length of time until recurrence was 10.25 months (range, 6–54.4 months). Univariate analyses showed that the following factors were associated with recurrence: cholecystectomy prior to EST, prior biliary tract surgery, periampullary diverticulum, diameter of the common bile duct (>15 vs. ≤15 mm), quantity of stones, complete stone removal at the first session, and lithotripsy. Multivariate analysis identified two independent risk factors for recurrence: previous biliary tract surgery and lithotripsy. Conclusions EST for common bile duct stones is safe as indicated by patients’ long-term outcomes. Patients with a history of biliary surgery or lithotripsy are more prone to recurrence.

Publisher

SAGE Publications

Subject

Biochemistry, medical,Cell Biology,Biochemistry,General Medicine

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