摘要Objective To explore the value of preoperative Aspartate Aminotransferase-to-Platelet Ratio Index(APRI)and Fibrosis-4 score(FIB-4)in predicting short-term prognosis of children with biliary atresia(BA)undergoing Kasai portoenterostomy(KPE).Methods Clinical data from children who underwent KPE were analyzed.Patients were divided into two groups based on their 2-year native liver survival after KPE.General information and laboratory findings were collected before KPE.The difference in liver fibrosis between the two groups was analyzed.The predictive efficacy of each index for short-term prognosis of children with BA was evaluated using the receiver operating characteristic curve.Results The APRI and FIB-4 in the good prognosis group were lower than those in the poor prognosis group(p=0.008 and 0.023,respectively),and postoperative jaundice clearance rate was higher(p=0.002).In the poor prognosis group,gamma-glutamyl transpeptidase levels in the F3+F4 fibrosis subgroup were significantly higher than those in the F1 subgroup(p=0.038).The area under the curve(AUC)for preoperative APRI in predicting short-term prognosis was the highest at 0.667,with a cut-off value of 1.190.The AUC for preoperative FIB-4 was predicted to be 0.642.The combination of preoperative APRI and alanine aminotransferase showed a higher AUC for prognosis prediction compared with either marker alone.Conclusions Preoperative APRI and FIB-4 may havepredictive values for short-term prognosis.The predictive value of APRI and FIB-4 combined with liver function indicators for the short-term prognosis of children is superior to that of a single indicator,but the results are not satisfactory.