Small Endoscopic Sphincterotomy plus Large-Balloon Dilation for Removal of Large Common Bile Duct Stones during ERCP

Qian Jun Bo, Xu Li Hua, Chen Tian Min, Gu Liu Gen, Yang Yan Mei, Lu Hua Sheng
Pakistan Journal of Medical Sciences Quarterly 2013, 29 (4): 907-12

OBJECTIVE: This study compared the therapeutic benefits and complication rates of small endoscopic sphincterotomy plus large-balloon dilation (ESLBD) with those of endoscopic sphincterotomy (EST) alone for large bile duct stones.

METHODS: We compared prospectively ESLBD group (n=63) with conventional EST group (n=69) for the treatment of large bile duct stones (≥15mm). Mechanical lithotripsy was performed when the stone could not be removed using a normal basket. We compared the rates of stone removal, frequency of mechanical lithotripsy use, procedure-related complications, and recurrent stones.

RESULTS: A total of 132 patients were reviewed in the study. The mean age of the patients was 67.9 years. The two groups showed significant differences in complete stone removal during the first session (80.9 vs. 60.8%; P = 0.046), the use of mechanical lithotripsy (7.94 vs. 24.6%; P = 0.041), and less duration of admission (P =0.045). After ERCP, there were some instances of oozing in both groups, All patients recovered completely, 14 patients had recurrent common bile duct stones among the follow-up duration.

CONCLUSION: The ESLBD technique seems to be a feasible and safe alternative technique for conventional EST and EBD and has no more Post-ERCP complications.

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