Liver function and structure in survivors of acetaminophen poisoning

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Abstract
A series of 30 patients, hospitalized with acetaminophen overdose, were studied during initial admission and again three months later. The quantity of acetaminophen ingested varied from 5 to 50 g and 19 patients developed raised transaminase levels in the serum during the initial period. Liver damage, on the basis of needle biopsy findings, was categorized as severe in 5, moderate in 7, and mild or minimal in 18 patients. At three months' follow-up all but one of the biochemical indicatns of liver damage had reverted to normal in all patients. The exception was the serum total bile acids. Residual changes found on liver biopsy at three months were minimal and nonspecific, apart from one previously severely affected patient in whom there was evidence of scarring. It is concluded that in the usual spectrum of acetaminophen poisoning requiring hospitalization there is no evidence of lasting liver damage.