Abstract
Objective To study the diagnosis and treatment of non-anastomotic biliary stricture (NABS) after liver transplantation.Methods The clinical data of 403 patients who underwent liver transplantation in the past 10 years in our department were analyzed retrospectively,compared different methods to find out the most appropriate method in the diagnosis and management of NABS.Results NABS occurred in 13 out of 403 patients (3.2％),almost the same incidence as in patients who received DCD donor livers (4.16％,2/48).The clinical signs of NABS were frequent cholangitis and high TBil,r-GT and AKP (P ＜0.01).All these cases were finally diagnosed by cholangiography and they could be classified into 3 types:hepatic bile duct stricture (4 patients,type Ⅰ),multiple extrahepatic and intrahepatic biliary strictures (7 patients,type Ⅱ),intrahepatic biliary strictures (2 patients,type Ⅲ).NABS were mainly treated by interventional therapy,Roux-en-Y anastomosis and retransplantation in our centre.All type Ⅰ patients were successfully managed with interventional therapy/ERCP and Roux-en-Y anastomosis,but 44.4％ (4/9) of type Ⅱ and Ⅲ patients required retransplantation.The TBIL,r-GT and AKP decreased significantly in 12 patients (P ＜ 0.05) and the total curative rate of NABS was 92.3％ (12/13) with one patient who died after retransplantation.Conclusions Cholangiography was an effective way to diagnose NABS which is common among patients after liver transplantation.Interventional therapy/ERCP,Roux-en-Y anastomosis and retransplantation were our 3 ways to treat this problem.We proceeded from easy to difficult and chose a suitable way to deal with NABS according to the different types of biliary stricture from cholangiography.Type Ⅰ patients had much better prognosis than Type Ⅱ and Ⅲ patients who should receive retransplantation if interventional therapy/ERCP failed. Key words: Liver transplantation; Biliary stricture, non-anastomotic ; Diagnosis ; Therapy
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