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Abstract
Purpose
To evaluate the safety and efficacy of percutaneous stone removal using a compliant balloon after papillary balloon dilatation.
Material and methods
Between March 2014 and May 2020, 123 patients with choledocholithiasis, in whom endoscopy was unsuccessful, were enrolled in this study. The ampulla of Vater was dilated using a noncompliant balloon, and stone removal was attempted via a pushing maneuver using an endoscopic stone extraction balloon. Clinical and technical success rates, complications, and risk factors for failure and complications were evaluated.
Results
Biliary stones were completely removed in 118 of 123 patients. Major complications occurred in five patients. One patient experienced duodenal bleeding, which was successfully treated by endoscopy. Hemobilia occurred in three patients, which required transfusion, and one patient experienced four days of abdominal pain. Minor complications, including self-limiting pain, effusion, minimal hemobilia, elevated amylase and fever, occurred in 21 patients. Stone size was the only significant risk factor associated with the rate of complications (Odds ratio: 1.14, 95% confidence interval = 1.04, 1.26). Bilirubin and white blood cell levels significantly decreased after the procedure.
Conclusion
Percutaneous stone removal using a compliant balloon after papillary balloon dilatation is a safe and effective method in patients in whom endoscopic or surgical treatment is not feasible. Abbreviations: ERCP: endoscopic retrograde cholangiopancreatography; PTBD: percutaneous transhepatic biliary drainage
Declaration of interest
All authors declare that there are no conflicts of interest.
Correction Statement
This article has been republished with minor changes. These changes do not impact the academic content of the article.