Insuficiencia hepática fulminante
Fulminant hepatic failure (FHF) is an acute and eventually fatal illness, caused by a severe hepatocyte damage with massive necrosis. Its hallmarks are hepatic encephalopathy and a prolonged prothrombin time (<40%). FHF is currently defined as hyperacute (encephalopathy appearing within 7 days of...
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| Main Authors: | , , |
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| Language: | Spanish / Castilian |
| Published: |
Sociedad Médica de Santiago
2002
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| Subjects: | |
| Online Access: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872002000600014 |
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| Summary: | Fulminant hepatic failure (FHF) is an acute and eventually fatal illness, caused by a severe hepatocyte damage with massive necrosis. Its hallmarks are hepatic encephalopathy and a prolonged prothrombin time (<40%). FHF is currently defined as hyperacute (encephalopathy appearing within 7 days of the onset of jaundice), acute (encephalopathy appearing between 8 and 28 days) or subacute (encephalopathy appearing between 5 and 12 weeks). FHF can be caused by viruses, drugs, toxins, and miscellaneous conditions such as Wilsons disease, Budd-Chiari syndrome, ischemia and others. However, a single most common etiology is still not defined. Factors that are valuable in assessing the likelihood of spontaneous recovery are age, etiology, degree of encephalopathy, prothrombin time and serum bilirubin. The management is based in the early treatment of infections, hemodynamic abnormalities, cerebral edema, and other associated conditions. Liver transplant has emerged as the most important advance in the therapy of FHF, with a survival rate that ranges between 60 and 80%. The use of hepatic support systems, extracorporeal liver support and auxiliary liver transplantation are innovative therapies (Rev Méd Chile 2002; 130: 691-698). |
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