Prognosis of Biliary Atresia After 2-year Survival With Native Liver: A Nationwide Cohort Analysis

Objectives: The aim of the study is to determine the prognosis of patients with biliary atresia after 2 years of native liver survival (NLS) and to identify prognostic factors for continued NLS after 2 years of age. Methods: We retrospectively analyzed perioperative, laboratory, and outcome parameters of all biliary atresia patients in The Netherlands between January 1987 and June 2015 with NLS of at least 2 years. We compared parameters between patients who continued to have their native liver (NLS+) to those who did not, either by transplant or death (NLS−). Results: We included 100 patients. Upon a median follow-up of 16.4 years, NLS ended in 37% by liver transplantation (LTx) and in 6% by (pre-transplant) mortality. NLS rates at 5, 10, 15, 18 years of age were 89%, 72%, 60%, 54%, respectively. Corresponding overall survival rates were 98%, 90%, 87%, 87%, respectively. Six months post-Kasai, NLS+ patients had higher clearance of jaundice (COJ) rate, significantly lower total and direct serum bilirubin, aspartate-aminotransferase and alkaline phosphatase levels, compared with NLS− patients (each P 

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