Endoscopic sphincterotomy for bile duct calculi: factors influencing the success rate. Hepato-Gastroenterol 1996; 43: 127-133.

• BACKGROUND/AIMS: Endoscopic sphincterotomy is an established treatment of retained or recurrent common bile duct calculi after cholecystectomy and in the majority of patients with an intact gallbladder. In order to identify patients ultimately requiring additional endoscopic procedures or surgery, factors predictive of decreased endoscopic bile duct clearance were sought. MATERIAL AND METHODS: Between 1981 and 1992 endoscopic sphincterotomy was performed in 393 consecutive patients with either intact gallbladders (n = 246), recurrent (n = 92) or retained (n = 55) calculi. RESULTS: There was a 9.4% overall early complication rate for the procedure and a 30-day mortality rate of 0.5% (two patients, non-procedure related). Complete removal of all bile duct calculi failed in 35/393 patients (8.9%). In patients with intact gallbladder the clearance rate at first attempt was higher (p = 0.002; Chi-square test) in the presence of solitary as compared to multiple stones. The same was found in patients with recurrent stones as well (p < 0.001). In non-cholecystectomized patients with single or multiple stones smaller than 10 mm, the clearance rate was higher at first (p = 0.02) as well as at final (p < 0.002) attempt as compared to patients with larger stones. Single small ( < 10 mm) compared to single large stones in patients with intact gallbladder had a higher clearance rate at final (p = 0.002) but not at first (p = 0.18) attempt. Patients with intact gallbladder and pancreatitis had higher clearance rate at first attempt compared to patients with jaundice (p = 0.001) or patients without concomitant pancreatobiliary disease (p = 0.002). Clearance rate was the same in patients with and without endoscopic sphincterotomy complications, except for patients with basket impaction, in whom the clearance rate was decreased (p = 0.02). CONCLUSIONS: Thus, in patients with intact gallbladder surgery should be considered after failed complete bile duct clearance at first attempt.

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MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Kirurgi (hsv//swe)

MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Surgery (hsv//eng)

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