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Sixty- versus thirty-seconds papillary balloon dilation after sphincterotomy for the treatment of large bile duct stones: A randomized controlled trial

Digestive and Liver Disease
DOI: 10.1016/j.dld.2012.10.015
  • Balloon Dilation
  • Endoscopic Biliary Sphincterotomy
  • Ercp


Abstract Background Endoscopic biliary sphincterotomy followed by endoscopic papillary balloon dilation is a promising method for large stones. However, there are no data on the optimal duration of papillary balloon dilation after a biliary sphincterotomy. Aims To compare the effectiveness and complications of the endoscopic papillary balloon dilation for 60s versus 30s after endoscopic biliary sphincterotomy. Methods A total of 124 patients with bile duct stones, submitted for endoscopic biliary sphincterotomy plus endoscopic papillary balloon dilation, were prospectively randomized to either the 60-s dilation group (G60, n=60) or the 30-s dilation group (G30, n=64). Results The complete removal of bile duct stones was similar: group G30, 55/64 (86%) versus group G60, 51/60 (85%); p=0.9. The rates of post-endoscopic retrograde cholangio-pancreatography pancreatitis were also similar: 2 (3.1%) in group G30 versus 2 (3.3%) in group G60, p=0.9. Post-procedural bleeding occurred in 2 cases (3.1%) in group G30 versus 4 (6.6%) in group G60, (p=0.17). Two perforations of moderate severity were observed, one in each group. Conclusions 30-s papillary balloon dilation, performed after endoscopic biliary sphincterotomy for the management of bile duct stones, was equally effective to the 60-s papillary balloon dilation.

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