Indications and outcomes of liver transplantation for post-Kasai biliary atresia in young adults

다국어 초록 (Multilingual Abstract)

Background: Some young adults have a long survival period with native liver after Kasai portoenterostomy (KPE) for biliary atresia (BA). However, a considerable proportion of these patients require liver transplantation (LT). This study aimed to analyze the indica- tions and outcomes of LT in young adults after a long survival period with native liver after KPE.
Methods: We selected seven patients who were 18 years or older at the time of LT out of 116 BA patients who underwent primary LT from 2008 to 2019 at Asan Medical Center. Results: The mean ages at KPE and LT were 2.1±0.9 months and 22.0±5.1 years, respec- tively. Mean serum total bilirubin level and model for end-stage liver disease score at LT were 7.91±7.22 mg/dL and 15.3±6.0, respectively. The main reasons for LT were liver cirrhosis with portal hypertension-associated complications in five patients and intracta- ble cholangitis in two patients. There were five cases of living donor LT and two cases of deceased donor LT. All the seven patients are currently alive during the mean follow-up period of 74.7±40.9 months. One patient suffered from outflow graft vein obstruction re- quiring endovascular stenting. Another patient showed core antibody-positivity-induced de novo hepatitis B virus infection, which was well managed with antiviral therapy. Conclusions: Young adult patients with BA are a unique group of patients requiring spe- cialist care regarding transition from pediatric to adult services. The outcomes of LT in young adult BA patients were excellent. Therefore, LT should be considered in patients showing serious BA-associated complications.

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