Paul Manka1, Jens Verheyen2, Guido Gerken3, Ali Canbay3. 1. Department of Gastroenterology and Hepatology, University Hospital Essen, Essen, Germany; Regeneration and Repair Group, The Institute of Hepatology, Foundation for Liver Research, London, UK; Division of Transplantation Immunology and Mucosal Biology, King's College, London, UK. 2. Institute of Virology, University Hospital, University Duisburg-Essen, Essen, Germany. 3. Department of Gastroenterology and Hepatology, University Hospital Essen, Essen, Germany.
Abstract
BACKGROUND: Viral hepatitis is still one of the key causes of acute liver failure (ALF) in the world. METHODS: A selective literature search of the PubMed database was conducted, including current studies, reviews, meta-analyses, and guidelines. We obtained an overview of ALF due to viral hepatitis in terms of epidemiology, course, and treatment options. RESULTS: Most fulminant viral courses are reported after infection with hepatitis A, B, and B/D, but not with hepatitis C. Hepatitis E is also known to cause ALF but has not gained much attention in recent years. However, more and more autochthonous hepatitis E virus infections have been recently observed in Europe. Reactivation of hepatitis B virus (HBV) under immunosuppressive conditions, such as after intensive chemotherapy, is also an increasing problem. For most viral-induced cases of ALF, liver transplantation represented the only therapeutic option in the past. Today, immediate treatment of HBV-induced ALF with nucleotide or nucleoside analogs is well tolerated and beneficially affects the course of the disease. CONCLUSION: Although numbers in Western European countries are decreasing rapidly, reliable diagnostic screening for hepatitis A-E is necessary to identify the etiology and to determine those most at risk of developing ALF.
BACKGROUND:Viral hepatitis is still one of the key causes of acute liver failure (ALF) in the world. METHODS: A selective literature search of the PubMed database was conducted, including current studies, reviews, meta-analyses, and guidelines. We obtained an overview of ALF due to viral hepatitis in terms of epidemiology, course, and treatment options. RESULTS: Most fulminant viral courses are reported after infection with hepatitis A, B, and B/D, but not with hepatitis C. Hepatitis E is also known to cause ALF but has not gained much attention in recent years. However, more and more autochthonous hepatitis E virus infections have been recently observed in Europe. Reactivation of hepatitis B virus (HBV) under immunosuppressive conditions, such as after intensive chemotherapy, is also an increasing problem. For most viral-induced cases of ALF, liver transplantation represented the only therapeutic option in the past. Today, immediate treatment of HBV-induced ALF with nucleotide or nucleoside analogs is well tolerated and beneficially affects the course of the disease. CONCLUSION: Although numbers in Western European countries are decreasing rapidly, reliable diagnostic screening for hepatitis A-E is necessary to identify the etiology and to determine those most at risk of developing ALF.
Entities:
Keywords:
Acute liver failure; Hepatitis B virus reactivation; Hepatitis E virus; Viral hepatitis
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