Mechanism about bile duct strictures after liver transplantation

Biliary complications are a serious problem in patients after liver transplantation, which often results in graft loss, the causes of bile duct stricture are complex. This paper reviewed the mechanism of bile duet stricture after liver transplantation. This complication maybe related with various factors such as liver arterial thrombosis, loss of blood supply of bile duct, warm iscbemia/preservation injury, chronic ductopenic rejection, cytomegalovirus infection, ABO incompatibility, and recurrence of primary sclerosing cholangitis. Key words: liver transplantation;  biliary complication;  bile duct stricture;  mechanism