Risk factors for recurrence of primary bile duct stones after endoscopic biliary sphincterotomy.

摘要: Abstract Background: Endoscopic biliary sphincterotomy (EST) is a well-established procedure for bile duct stone extraction. Bile stones can be classified as primary or secondary. However, few data are available on the recurrence of and secondary after EST. Therefore risk factors EST were prospectively studied. Methods: Between 1991 1997, 61 patients underwent stones. All met following criteria: (1) previous cholecystectomy without exploration, (2) detection at least 2 years initial cholecystectomy. Mean follow-up was 2.2 years. Fourteen lost to follow-up. The defined no sooner than 6 months complete clearance Results: overall rate 21% (10 47). Two significant identified by multivariate analysis: with diameter 13 mm greater removal had recurrences more frequently those less, whose papilla located inner rim deep within diverticulum, so that papillary orifice not visible endoscopically, frequent outside peripapillary diverticulum. Conclusion: independent sustained dilation even location (Gastrointest Endosc 2001;54:42-8.)