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Our preliminary experience strongly suggests that laparoscopic palliation can reduce the three major drawbacks of open bypass surgery-i.e., high morbidity, high mortality, and long hospital stay.

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The routine use of intraoperative cholangiography during cholecystectomy has been debated extensively. Intraoperative ultrasonography was a quick, efficient alternative in open cholecystectomy. A prospective controlled trial to evaluate its usefulness in laparoscopic cholecystectomy is reported. Two groups of 100 patients each were examined during operation with laparoscopic ultrasonography and intraoperative cholangiography. In the first group an adapted urethral probe was used and in the second group a new specialized laparoscopic probe. Intraoperative cholangiography followed immediately after laparoscopic ultrasonography in each patient. In group 1 bile duct stones (n = 4) were detected with a sensitivity of 100 and 75 per cent, a specificity of 98 and 99 per cent, and an overall accuracy of 98 per cent for both ultrasonography and cholangiography. In group 2, 11 patients demonstrated common duct calculi. The sensitivity, specificity and overall accuracy for laparoscopic ultrasonography and intraoperative cholangiography were 91 and 64 per cent, 100 and 100 per cent, and 99 and 96 per cent respectively. The differences between groups 1 and 2 and between ultrasonography and cholangiography were not significant. Variations in the anatomy of the bile duct were observed in 21 patients in group 1 by laparoscopic ultrasonography and in 20 by intraoperative cholangiography. In group 2, 64 variations were demonstrated in 50 individuals by ultrasonography and 61 variations in 47 patients by cholangiography. Vascular variations were seen with ultrasonography in 22 and 24 patients in groups 1 and 2 respectively. In conclusion, laparoscopic ultrasonography (with either probe) proved as accurate as intraoperative cholangiography in detecting bile duct stones, and the specialized probe detected significantly more variations of the bile duct than the adapted probe.

Background: Common bile duct stones (CBDS) are a frequent problem (10-15%) in patients with symptomatic cholecystolithiasis. Over the last decade, new diagnostic and surgical techniques have expanded the options for their management. This report of the Consensus Development Conference is intended to summarize the current state of the art, including principal guidelines and an extensive review of the literature. Methods: An international panel of 12 experts met under the auspices of the European Association of Endoscopic Surgery (EAES) to investigate the diagnostic and therapeutic alternatives for gallstone disease. Prior to the conference, all the experts were asked to submit their arguments in the form of published results. All papers received were weighted according to their scientific quality and relevance. The preconsensus document compiled out of this correspondence was altered following a discussion of the external evidence made available by the panel members and presented at the public conference session. The personal experiences of the participants and other aspects of individualized therapy were also considered. Results: Our panel of experts agreed that the presence of common bile duct stones should be investigated in all patients with symptomatic cholecystolithiasis. Based on preoperative noninvasive diagnostics, either endoscopic retrograde cholangiopancreaticography (ERCP) or intraoperative cholangiography should be employed for detecting CBDS. Eight of the 12 panelists recommended treating any diagnosed CBDS. For patients with no other extenuating circumstances, several treatment options exist. Stones can be extracted during ERCP, or either before or (in exceptional cases) after laparoscopic or open surgery. Bile duct clearance should always be combined with cholecystectomy. Evidence for further special aspects of CBDS treatment is equivocal and drawn from nonrandomized trials only. Conclusions: The management of common bile duct stones is currently undergoing some major changes. Many diagnostic and therapeutic strategies need further study.Key words: Common bile duct stones -GallbladderBile duct calculi -Laparoscopic cholecystectomy -Endoscopic retrograde cholangiopancreaticography During the last decade, laparoscopic techniques for abdominal surgery have changed the options for the diagnosis and treatment of many abdominal pathologies. Laparoscopic cholecystectomy has now become the standard procedure

Ultrasonography should be part of routine surgical investigation and should be mastered and used by surgeons.