This study is to evaluate the need for preoperative cholangiography during laparoscopic cholecystectomy when endoscopic retrograde cholangiopancreatography (ERCP) is available. Over a period of four years, 1105 consecutive patients had laparoscopic cholecystectomy. All patients, in addition to their clinical assessment, had routine liver function tests (LFTs) and ultrasound (US) examination of the biliary tract. Preoperative ERCP was performed (diagnostic and/or therapeutic) in 107 (9.6%) of the patients. The indications for ERCP were one or more of the following: 1) abnormal liver function test, 74 patients; 2) jaundice, 37 patients; 3) common bile duct (CBD) stone seen in US, 36 patients, and/or CBD dilatation, 46 patients; and 4) pancreatitis, 20 patients. In 41 out of 107 (38%) patients, CBD stones were present and cleared endoscopically. Postoperative ERCP was necessary in eight patients: to remove retained stones in the CBD (two patients), to stop bile leak (two patients), and to investigate the persistent abnormal LFTs in the remaining patients. The number of patients who had evidence of retained CBD stone following laparoscopic cholecystectomy was only two. In both patients, endoscopic removal was successful. Therefore, it is clear that operative cholangiography in laparoscopic cholecystectomy is not essential if there is a reasonable facility for ERCP.
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