Better prognostic factor for operation of biliary duct obstruction in newborn are

Major factors in successful outcome after pooentreostomy Age in days at diagnosis and initial surgery (30-60 days) Length of time jaundice was present before surgery Successful and persistent bile flow postoperatively Size and nature of the microscopic ducts (>150um) Degree and extent of fibrotic changes in the liver Need for phototherapy as a neonate Technical aspects of the postenterostomy and anastomosis Presence of bile on hepatic lobular zone 1 Ref: Blumga 5th edition Pgno :600