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  • Title: Large-diameter biliary orifice balloon dilation to aid in endoscopic bile duct stone removal: a multicenter series.
    Author: Attasaranya S, Cheon YK, Vittal H, Howell DA, Wakelin DE, Cunningham JT, Ajmere N, Ste Marie RW, Bhattacharya K, Gupta K, Freeman ML, Sherman S, McHenry L, Watkins JL, Fogel EL, Schmidt S, Lehman GA.
    Journal: Gastrointest Endosc; 2008 Jun; 67(7):1046-52. PubMed ID: 18178208.
    Abstract:
    BACKGROUND: The utility and safety of endoscopic biliary orifice balloon dilation (EBD) for bile duct stone removal (with use of large-diameter balloons) after biliary endoscopic sphincterotomy (BES) is currently not well established. OBJECTIVE: Our purpose was to evaluate the efficacy and complications of BES followed by > or = 12 mm diameter EBD for bile duct stone removal. DESIGN: Retrospective, multicenter series. SETTING: Five ERCP referral centers in the United States. PATIENTS AND INTERVENTIONS: Patients who underwent attempted removal of bile duct stones by BES followed by EBD with > or = 12 mm diameter dilating balloons were identified by searching the prospectively recorded endoscopic databases from 1999 to 2007. Clinical parameters, endoscopic data, and outcomes were collected and analyzed. RESULTS: One hundred three patients, mean age 70 +/- 17 years (range 23-98 years), with 56 (54%) women, underwent 107 procedures. Eleven patients (11%) had a prior history of acute pancreatitis. Pancreatogram was performed in 15 (14%) patients. Median stone size and median balloon diameter used was 13 mm. Complete stone removal in the first session of EBD was accomplished in 102 (95%) procedures, and mechanical lithotripsy was required in 29 (27%). Six patients (5.4%) had documented procedure-related complications including one patient with severe bleeding and one with severe cystic duct perforation. No acute pancreatitis occurred. CONCLUSION: EBD with a large-diameter balloon in conjunction with BES for bile duct stone removal is effective and relatively safe. This technique appears to be a reasonable alternative option when standard BES and basket or balloon sweep are inadequate to remove bile duct stones.
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