Kasai portoenterostomy is currently one of the main treatment methods for biliary atresia, but about 30% of children still require liver transplantation even after receiving the surgery. Accurate prognosis will help select the most suitable treatment method for children, but there is currently a lack of effective preoperative predictive indicators. Serum FGF19 has recently been considered a possible preoperative predictive indicator for biliary atresia, but its predictive value has not been confirmed in a large sample and in Asian population, thus the investigators try to further explore the prognostic value of serum FGF19 in children with biliary atresia based on a large sample.
To investage the role of preoperative serum FGF19 level in the prognosis of biliary atresia.