Epidemiology of acute liver failure

Mouen Khashab, A. Joseph Tector, Paul Y. Kwo

Research output: Contribution to journalArticle

95 Citations (Scopus)

Abstract

Acute liver failure (ALF) is an uncommon disorder that leads to jaundice, coagulopathy, and multisystem organ failure. Its definition is based on the timing from onset of jaundice to encephalopathy. In 2005, ALF accounted for 6% of liver-related deaths and 7% of orthotopic liver transplants (OLT) in the United States. Several classification systems have been developed for ALF, with the King's College criteria most widely used for prediction of OLT. Specific diagnostic tests should be implemented to identify the cause of ALF, which will help to determine its treatment and prognosis. Viral hepatitis was previously reported to be the most common cause of ALF in the United States, but acetaminophen overdose and idiosyncratic drug reactions have emerged as the most frequent causes in recent studies. Malignancy is an uncommon cause of ALF, and thus imaging studies may not be useful in this setting, but liver biopsy may be beneficial in selected cases. An overall strategy for ALF should start with identifying the cause, assessing the prognosis, and early transfer to a transplantation center for suitable candidates. OLT has emerged as a life-saving procedure leading to marked improvement in survival rates. Improved surgical techniques, immunosuppression, and comprehensive care have led to an overall survival rate of approximately 65% with OLT. N-acetylcysteine is effective in ALF caused by acetaminophen overdose, with results strongly related to how soon it is given rather than the route of administration. Liver support systems show potential for the treatment of ALF, but their role needs validation in large multicenter randomized trials.

Original languageEnglish
Pages (from-to)66-73
Number of pages8
JournalCurrent Gastroenterology Reports
Volume9
Issue number1
DOIs
StatePublished - Mar 2007

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Acute Liver Failure
Epidemiology
Liver
Transplants
Acetaminophen
Jaundice
Drug Overdose
Acetylcysteine
Brain Diseases
Routine Diagnostic Tests
Immunosuppression
Hepatitis
Multicenter Studies
Transplantation
Biopsy

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Epidemiology of acute liver failure. / Khashab, Mouen; Tector, A. Joseph; Kwo, Paul Y.

In: Current Gastroenterology Reports, Vol. 9, No. 1, 03.2007, p. 66-73.

Research output: Contribution to journalArticle

Khashab, Mouen ; Tector, A. Joseph ; Kwo, Paul Y. / Epidemiology of acute liver failure. In: Current Gastroenterology Reports. 2007 ; Vol. 9, No. 1. pp. 66-73.
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