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Efficacy of endoscopic diagnosis and treatment for postoperative biliary leak
1Third Department of Internal Medicine, Asahikawa Medical College, Hokkaido, Japan.
Background/Aims:
The purpose of this study was to evaluate the efficacy of endoscopic approaches for the diagnosis and treatment of postoperative biliary leak.
Methodology:
Endoscopic retrograde cholangiopancreatography (ERCP) was performed in eight patients with postoperative biliary leak. Of 8 cases, 6 had biliary leak alone (4 cases with a cystic duct leak and 2 cases with a bile duct leak) and 2 cases with a bile duct leak were associated with a bile duct stricture. Endoscopic sphincterotomy (ES) and endoscopic biliary stenting (EBS) were employed in 5 patients and nasobiliary tube drainage (NBD) without ES was performed in 3 patients.
Results:
In all the patients, ERCP was successfully performed and could demonstrate exact nature and site of postoperative bile duct injuries. In 2 patients with a concomitant bile duct stricture, repetitive endoprosthesis placements were required. The remaining six patients with biliary leak alone were successfully treated by temporary stenting, i.e., ES and EBS (n = 3), and NBD (n = 3).
Conclusions:
The patients with postoperative biliary leaks can be successfully diagnosed by ERCP and treated by temporary endoscopic methods. Among various endoscopic treatments, NBD alone appears to be preferable in treating patients with small bile leaks. However, cases with a concomitant bile duct stricture were intractable and required longer period of stenting.