MELD/PELD and the allocation of deceased donor livers for status 1 recipients with acute fulminant hepatic failure, primary nonfunction, hepatic artery thrombosis, and acute Wilson's disease.

1. Historical perspective of donor allocation to patients with fulminant hepatic failure (FHF). 2. Predicting prognosis in patients with FHF using the London and Clichy criteria. 3. Model for end-stage liver disease (MELD) is a predictor of mortality in patients with FHF. 4. Outcomes of adults listed as Status 1 in the United States. 5. Outcomes of pediatric candidates listed as Status 1 in the United States. 6. Proposed redefinition for Status 1 in adult and pediatric candidates.