Peer Review Report For: Case Report: Acute presentation of autoimmune hepatitis in a male patient [version 1; peer review: 1 approved with reservations, 1 not approved]

Le résumé fourni par la source

Introduction: Autoimmune hepatitis (AIH) is one of the major immune mediated chronic liver diseases. It typically affects young and middle-aged females. Acute liver failure (ALF) is an unusual initial form of presentation of AIH and is particularly rare in male patients. Consequently, the clinical characteristics and optimal management of this entity remain poorly defined. Patients with AIH sometimes present features of the spectrum of primary biliary cholangitis (PBC), simultaneously or consecutively, suggesting the diagnosis of overlap syndrome (OS) PBC- AIH. Data concerning PBC-AIH has been scarcely published and mainly comprises small retrospective studies. Case presentation: Herein, we report the case of a 40-year-old man with no history of any chronic liver disease, who presented with ALF. After carrying out extensive etiological screening, we suspected him of having ALF due to auto-immune liver disease namely AIH. The positivity of anti-mitochondrial antibody (AMA) which is a significant serologic marker of PBC, suggested a diagnosis of OS PBC- AIH. Since urgent liver transplantation could not be performed in our country (Tunisia), the only available therapeutic option was the administration of corticosteroids. During the two years of follow up and treatment with ursodeoxycholic acid, azathioprine and a low dose of prednisolone, our patient is still asymptomatic with normal hepatic function tests. Conclusion: ALF due to AIH in a male patient is a very rare condition. The diagnosis should be considered in all patients with acute hepatitis of undetermined etiology. Corticosteroids were an effective and lifesaving therapeutic option. The association of AIH and PBC features could suggest an OS.

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