Living-donor Liver Transplantation for Abernethy Malformation - Case Report and Review of Literature

Author: Hoang Duc Nam - Vinmec Times City International Hospital, Viet Nam

Abernethy malformation was named for the rare congenital absence of the portal vein (CAPV), also known as congenital extrahepatic portal-systemic shunts (CEPS). This could be classified as complete (type 1) or incomplete shunt (type 2) according to Morgan-Superina classification. Its presentation may show under variable signs and symptoms such as hepatopulmonary syndrome, hyper-ammonia, hepatic masses and liver failure.... This usually combined with other congenital anomalies (cardiac anomaly, trisomy...). This report presented a 10 year-old boy with growth retardation and mild mental recognition, intermittent hyperammonia, elevated liver enzymes, huge inoperable mass in the right liver. MS CT and MRI findings: hyperplasia of liver parenchyma with superior mesenteric vein confluenced with splenic vein before draining directly into the inferior vena cava (Abernethy anomaly type 1b). Living donor liver transplantation underwent using right lobe from his mother. Anatomopathology findings of the native liver showed chronic hepatitis with cirrhosis 4/6 Knodel-Ishak. Postoperatively, the patient still attained optimal liver function and has returned to normal life at 12-month follow-up. Liver transplantation was a reasonable indication for CAPV type 1. Living donor liver transplantation was effective and practical in the scarcity of donor organ.

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http://www.ahbps.org/journal/view.html?doi=10.14701/ahbps.2020.24.2.203

https://pubmed.ncbi.nlm.nih.gov/32457268/

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