Endoscopic papillary balloon dilatation in comparison with endoscopic sphincterotomy for the treatment of large common bile duct stone


1 Department of Internal Medicine, Isfahan University of Medical Sciences, Isfahan, Iran

2 Department of General Surgery, Isfahan University of Medical Sciences, Isfahan, Iran


Background: There are concerns on the efficacy and safety of endoscopic papillary balloon dilatation (EPBD) as an alternative to endoscopic sphincterotomy (EST) in the treatment of choledocholithiasis. We compared the efficacy and safety of EPBD and EST for removing large common bile duct (CBD) stones.
Materials and Methods: One hundred sixty patients with CBD stones of 10-20 mm were randomized to undergo EPBD or EST. A 15-mm dilatation balloon was used for EPBD. Cotton's criteria were used to determine the incidence of post-EPBD or post-EST complications. CBD stone removal and complications were compared between the two methods.
Results: CBD stones were completely removed in 97.5% of the EPBD and 96.2% of the EST group ( P = 0.5). The incidence of postoperative pancreatitis (11.2% vs 8.7%) and bleeding (1.2% vs 1.2%) were similar between the EPBD and EST groups ( P > 0.05). Perforation did not occur in any patient.
Conclusions: EPBD with 15-mm dilator balloon appears to be equally safe and effective compared with EST for removal of large CBD stones. So because of low complication and high success rate we recommend EPBD as the preferred method for removal of large (10-20 mm) CBD stones.


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