Biliary complications of orthotopic liver transplantation

Biliary complications are a common cause of morbidity following orthotopic liver transplantation. Complications involving the biliary tree occur after 6-34% of all liver transplants performed, usually within the first 3 months after transplantation. Pile leaks and biliary strictures are the most common biliary complications, but sphincter of Oddi dysfunction, hemobilia, and biliary obstruction from stones, sludge, or casts have also been described. The risk of specific biliary complications is related to the type of biliary reconstruction performed at the time of transplantation. In this article, we review the major types of biliary reconstruction and their associated biliary complications. Specific risk factors for the development of biliary complications are outlined. Finally, the management of biliary complications is discussed, with an emphasis on the role of endoscopic therapy.