Endoscopic endoprosthesis insertion plays an increasingly important role in the palliation of jaundice in patients with unresectable malignant hilar biliary obstruction (HBO). Drainage of both obstructed lobes in Types II and III HBO is not necessary to achieve adequate palliation, providing 25% of the liver volume is drained by a single endoprosthesis. The anatomy of the main hepatic ducts suggests some benefit may accrue from preferential drainage of the left hepatic duct. We have reviewed a consecutive series of 151 patients with Type II and III HBO over a 4-year period to compare the outcome of endoprosthesis placement in either the right (RHD) or left (LHD) hepatic duct, to test this hypothesis. No significant difference was found in terms of successful drainage, complications, 30-day mortality, number of endoprosthesis changes and survival between patients with right system drainage compared with those with left sided drainage (chi 2-test and Mann Whitney U test). When dealing with a patient with a Type II or III HBO, we would recommend single endoscopic endoprosthesis insertion into the technically most accessible obstructed system. This would achieve adequate palliation in 84% of the patients.
Although there is an increasing tendency to clear the bile duct with a laparoscopic approach, ERCP and sphincterotomy has a certain role in conjunction with LC in the management of patients with a high suspicion of CBD stones, particularly in institutions where there is easy access to expert interventional endoscopic techniques.
We report a considerably high recurrence rate of sump syndrome after initially successful endoscopic management and its effective endoscopic treatment with a new papillotomy. We still believe that the primary therapeutic approach in patients with sump syndrome should be endoscopic.
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