Type II Abernethy Malformation: A Rare Cause of Hepatic Encephalopathy in Adulthood

Gonçalves, Inês and Barros, Daniela and Araújo, Margarida and Machado, Ana Isabel and Oliveira, Camila and Pinto, Luisa (2022) Type II Abernethy Malformation: A Rare Cause of Hepatic Encephalopathy in Adulthood. European Journal of Case Reports in Internal Medicine, 9 (1). pp. 1-3. ISSN 2284-2594

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Abernethy malformation is a rare congenital extrahepatic portosystemic shunt with variable clinical manifestations, mainly associated with the portosystemic shunt. Hepatic encephalopathy can be the first manifestation. We present the case of a 50-year-old woman with hepatic encephalopathy without liver dysfunction. Further evaluation with contrast-enhanced abdominal computed tomography was performed, showing a large-calibre portocaval shunt from the left portal branch, suggestive of type 2 Abernethy malformation. The patient improved with lactulose and rifaximin but maintained rare encephalopathy episodes. She is therefore currently awaiting surgical treatment. Despite being a rare cause of hepatic encephalopathy, Abernethy malformation should be considered in patients with unexplained hyperammonaemia. Since it is potentially reversible, and early diagnosis and treatment may improve outcome, raising awareness of this malformation is essential.

Item Type: Article
Uncontrolled Keywords: Abernethy malformation, portosystemic shunt, encephalopathy, hyperammonemia
Subjects: 600 Tecnologia - Scienze applicate > 610 Medicina e salute (Classificare qui la tecnologia dei servizi medici)
Depositing User: Marina Spanti
Date Deposited: 15 Mar 2022 17:01
Last Modified: 15 Mar 2022 17:01
URI: http://eprints.bice.rm.cnr.it/id/eprint/21680

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