Valproate-induced hepatic failure in a case of cytochromec oxidase deficiency
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- Chabrol, B., Mancini, J., Chretien, D. et al. Eur J Pediatr (1994) 153: 133. doi:10.1007/BF01959226
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We report a 3 year-old girl with a myoclonic epilepsy. A fatal hepatic failure occurred after 3 months of valproate (VPA) therapy. In this patient, a defect of cytochromec oxidase (COX) was demonstrated in her circulating lymphocytes. The enzyme was also found to be deficient in post-mortem liver and in cultured skin fibroblasts. However, a fully functional respiratory chain was found in muscle. VPA administration apparently triggered the hepatic failure, given this patient's background of partial COX deficiency.
Key wordsHepatic failure COX defect Valproate Child