Immediate balloon deflation method in endoscopic papillary large balloon dilation for extraction of difficult bile duct stones

Duk Joo Choi, Yeon Suk Kim, Jung Ho Kim, Yang Suh Ku, Min Su Ha, Ju Hyeon Kim

Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, South Korea.

DOI: 10.4236/ojgas.2013.32024                

Abstract

Background/Aims: Recently, endoscopic papillary large balloon dilation (EPLBD) using a large balloon (12 - 20 mm) for extraction of difficult common bile duct (CBD) stones has been widely accepted with favorable outcomes. However, there is no consensus with regard to the ballooning time. The aim of our study was to evaluate the efficacy and safety of immediate balloon deflation in EPLBD for the treatment of difficult bile duct stone. Methods: This was a retrospective study of 80 consecutive patients with bile duct stones who were treated with an immediate balloon deflation method in EPLBD combined with endoscopic sphincterotomy (EST) between January 2010 and December 2012. Overall success rate, success rate at first ERCP, and the frequency of mechanical lithotripsy for complete stone removal were assessed for efficacy and safety was evaluated by assessing major complications. Results: Overall success rate for complete stone removal was high (78/80, 97.5%) and success rate for complete stone removal at first ERCP was 86.3% (69/80). The use of mechanical lithotripsy was 0% (0/80). The overall complication rate was favorable (5/80, 6.3%). PostERCP pancreatitis was observed in 3 patients (two: mild, one: moderate). In subgroup analysis, the presence of periampullary diverticulum was the only factor affecting the success rate at first ERCP. Conclusion: This study demonstrated the favorable outcome of immediate balloon deflation for treatment of difficult CBD stones and can be considered for clinical application.

Keywords

Endoscopic Papillary Large Balloon Dilation; Ballooning Time; Immediate Balloon Deflation; Difficult Bile Duct Stone

Conflicts of Interest

The authors declare no conflicts of interest.

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