Article

The beneficial impact of revision of Kasai portoenterostomy for biliary atresia: an institutional study.

Department of Surgery, University of Cincinnati College of Medicine, Cincinnati, OH, USA.
Annals of surgery (Impact Factor: 7.9). 03/2012; 255(3):570-6. DOI: 10.1097/SLA.0b013e318243a46e
Source: PubMed

ABSTRACT To determine whether portoenterostomy (PE) revision in patients afflicted with biliary atresia (BA) is a viable treatment option and, if so, identify which patients may benefit.
BA, the most common cause of neonatal liver disease, results in biliary tract obstruction and hepatic fibrosis. Kasai PE is the initial surgical intervention performed and, if successful, restores drainage and preserves the native liver. Portoenterostomy failure warrants liver transplantation, but because of complications related to transplantation, treatment strategies to salvage the native liver may be beneficial. Using uniformly applied criteria, we have revised PEs to delay or avoid transplantation.
A retrospective review of medical records of patients diagnosed with BA since 1983 was performed. Patient demographics, symptoms, indications for revision, laboratory values, and outcomes were recorded. A cohort of patients who underwent revision after initial PE was identified. Survival rates were assessed using the Kaplan-Meier method. For patients who required transplantation, operative data from the revised PE cohort were compared with those from the unrevised PE cohort. A Cox proportional hazards model was used to determine covariates predictive of a favorable outcome.
Of 181 children who underwent PE, 24 underwent revision. Adequate biliary drainage, as evidenced by normalized conjugated bilirubin levels, was achieved in 75% of revised patients. Overall survival in patients who underwent revision, regardless of transplantation, was 87%. Among patients who underwent PE revision, 46% have survived with their native liver.
Experience at our center suggests that with appropriate patient selection, PE revision may delay the need for liver transplanation yielding encouraging patient outcomes.

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