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Valproic acid, an anti-epileptic drug, is linked to a higher incidence of spina bifida aperta in infants born to epileptic mothers. This study explores the connection and suggests preventive measures.
Area of Science:
- Neurology
- Teratology
- Public Health
Context:
- Neonatal malformations registry data up to 1982.
- Analysis of 7,000+ cases.
- Focus on infants born to epileptic mothers.
Purpose:
- Investigate the association between maternal epilepsy treatment and specific birth defects.
- Examine the risk of spina bifida aperta.
- Propose a pathogenic hypothesis and preventive strategies.
Summary:
- A significantly increased rate of spina bifida aperta was observed in infants whose mothers used valproic acid.
- This finding emerged from a regional computer register of over 7,000 neonatal malformations.
- The study links valproic acid exposure during pregnancy to this specific neural tube defect.
Impact:
- Highlights potential teratogenic effects of valproic acid.
- Informs clinical practice regarding anti-epileptic drug use in pregnancy.
- Suggests the need for enhanced prenatal screening and preventive interventions for neural tube defects.
Abstract:
In more than 7 000 cases of neonatal malformations processed up to 1982 in a regional computer register 71 infants had been born from epileptic mothers. A significantly higher than expected number of spina bifida aperta were observed in this group, related to the administration to the mother of the anti-epileptic agent valproic acid. A pathogenic hypothesis and a possible preventive procedure for this type of malformation are discussed.