Kasai Portoenterostomy Timing and Outcomes in Biliary Atresia

Exclusion Criteria

• •Presence of other severe congenital malformations that significantly impact prognosis or surgical risk (e.g., complex congenital heart disease requiring intervention, syndromic biliary atresia as part of a polymalformation complex).
• •Pre-existing evidence of decompensated cirrhosis (e.g., refractory ascites, hepatopulmonary syndrome, or hepatic encephalopathy) prior to surgery.
• •Previous history of any liver surgery (including prior Kasai portoenterostomy attempt or liver biopsy via laparotomy).
• •Any condition that, in the opinion of the investigator, would make the infant unsuitable for participation or could interfere with the completion of follow-up (e.g., severe concurrent infection, life-limiting non-hepatic disease).