To determine clinical course and outcomes of liver functions in children with dengue viral infection-caused acute liver failure (ALF), the records of patients aged <15 years attending our institution during 1989-2011 were reviewed. Of the 41 ALF patients, 2, 6 and 33 patients had dengue hemorrhagic fever grade II, III and IV, respectively. Multiorgan failure including respiratory failure, massive bleeding and acute kidney injury occurred in 80.0%, 96.0% and 84.0% of the ALF cases, respectively, with an overall fatality rate of 68.3%. Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels were highest on the day that the patient developed ALF. Lactate dehydrogenase levels had positive correlations with AST (r = 0.95) and ALT (r = 0.87) (all p < 0.01). The median (interquartile range) days before the AST and ALT levels returned to lower than 200 U/L after the ALF were 10.5 (8.8, 12.8) and 10.5 (7.8, 14.0) days, respectively.
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