The High Incidence of Valproate Hepatotoxicity in Infants May Relate to Familial Metabolic Defects
Open Access
- 1 May 1990
- journal article
- research article
- Published by Cambridge University Press (CUP) in Canadian Journal of Neurological Sciences
- Vol. 17 (2) , 145-148
- https://doi.org/10.1017/s0317167100030353
Abstract
The incidence of fatal hepatic failure associated with valproic acid (VPA) therapy is highest in children under the age of three years, particularly in those with developmental delay. The pathogenesis of VPA hepatotoxicity is unclear but may relate to the accumulation of a toxic metabolite of VPA which impairs fatty-acid oxidation. We describe two unrelated infants with developmental delay who developed hepatic failure while receiving VPA. Siblings of both children subsequently developed hepatic steatosis and intractable seizures without being exposed to VPA. This suggests that that the two children who developed liver failure when receiving VPA may have had a familial metabolic disorder. Familial metabolic disorders may account partly for the higher incidence of fatal hepatotoxicity described in infants receiving VPA. L'incidence de l'insuffisance hépatique fatale associée au traitement par l'acide valproïque (AVP) est plus élevée chez les enfants en bas de trois ans, particulièrement chez ceux qui ont un retard de développement. La pathogenèse de l'hépatotoxicité due à l'AVP n'est pas claire, mais elle peut être en relation avec l'accumulation d'un métabolite toxique de l'AVP qui entrave l'oxidation des acides gras. Nous décrivons le cas de deux nourrissons non apparentés ayant un retard de développement, qui ont développé une insuffisance hépatique sous AVP. Des membres de la fratrie des deux enfants ont ultérieurement développé une stéatose hépatique et des convulsions résistantes au traitement sans exposition à l'AVP. Ceci suggère que les deux enfants qui ont développé une insuffisance hépatique sous AVP avaient peut-être une anomalie métabolique familiale. Les anomalies métaboliques familiales peuvent être en partie responsables de l'incidence plus élevée d'hépatotoxicité fatale décrite chez les nourrissons recevant de l'AVP.This publication has 30 references indexed in Scilit:
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