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  • Title: Laparoscopic exploration of common bile duct in post-gastrectomy patients.
    Author: Tang CN, Tsui KK, Yang GP, Ha JP, Li MK.
    Journal: Hepatogastroenterology; 2008; 55(84):846-9. PubMed ID: 18705280.
    Abstract:
    BACKGROUND/AIMS: To evaluate the results of laparoscopic exploration of the common bile duct (LECBD) in patients with previous gastrectomy. METHODOLOGY: This study is a retrospective review of a prospectively maintained database of LECBD during the period 1994-2005. Those cases of LECBD with previous open gastrectomy were sorted out and analyzed. Indications of operation included unsuccessful endoscopic extraction due to altered anatomy and some explorations were performed together with side-to-side choledochoduodenostomy so as to eliminate biliary stasis and decrease stone recurrence. The operation steps involved open insertion of trocar and creation of pneumoperitoneum, meticulous adhesiolysis, direct choledochotomy followed by clearance of biliary stones. After confirmed ductal clearance, the common bile duct was routinely closed with t-tube diversion. The perioperative parameters of these patients were analyzed and compared to those receiving open exploration of common bile duct due to previous gastrectomy during the same study period. RESULTS: Of the 184 LECBD performed between 1994 and 2005, 33 patients had previous open upper gastrointestinal operations and among them 18 LECBD were performed in post-gastrectomy patients (2 with previous classical Whipple's operation). There were 10 male and 8 female patients with mean age of 77.5 (58-97 years). Of the 14 patients undergoing preoperative endoscopic retrograde cholangiopancreatography, there were 10 failed cannulations and 4 failed extractions. Altogether 17 choledochotomies and 1 transcystic duct exploration was performed whereas 4 patients with recurrent primary stones received additional choledochoduodenostomy. Median operating time was 120 min (60-390 min). Open conversion was required in 3 patients (16.6%) because of jammed basket, extensive adhesion and "through & through" bile duct injury respectively. Postoperative complications occurred in 4 patients (22.2%), which included 3 bile leaks and also the previously mentioned bile duct injury. The median hospital stay was 9 days (4-82 days). Upon a median follow-up of 17.5 months, there was only 1 patient found to have recurrent common bile duct stone and he was managed by laparoscopic exploration and choledochoduodenostomy. When the results were compared to those 12 open explorations because of previous open gastrectomy, longer operation time (120 vs. 75 min, p=0.004) and slightly shorter hospital stay (9 vs. 14 days, p=0.104) were noted in the LECBD group but without increased complication rate (22.2 vs. 25%, p=1). CONCLUSIONS: These results suggest that LECBD is worth attempting even in patients with previous open gastrectomy.
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