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Foetal Anticonvulsant Syndrome: Implications on Dento-facial Development in General Dental Practice

Christine Casey, Phillip Guest, Adekunmi Fasanmade

    Dental Update
    |August 16, 2017
    PubMed

    Insights

    Epilepsy affects 1% of the population, with many pregnancies exposed to antiepileptic drugs (AEDs). Newer AEDs are hoped to be safer, but teratogenic risks like foetal anticonvulsant syndrome (FACS) persist.

    Area of Science:

    • Neurology
    • Pharmacology
    • Teratology

    Background:

    • Epilepsy is a common neurological disorder affecting approximately 1% of the global population.
    • Around 1 in 250 pregnancies involve exposure to antiepileptic drugs (AEDs).
    • Antiepileptic drugs are crucial for managing epilepsy but carry risks during pregnancy.

    Observation:

    • Exposure to certain antiepileptic drugs can lead to teratogenic effects, known as foetal anticonvulsant syndrome (FACS).
    • Older generation AEDs like phenytoin, valproate, and carbamazepine are recognized teratogens.
    • This study examines two siblings born to an epileptic mother, reviewing existing literature on AED teratogenicity.

    Findings:

    • The teratogenic potential of older AEDs is well-documented.
    • There is an ongoing need to evaluate the safety profiles of newer AEDs, such as gabapentin and lamotrigine.
    • Case studies of siblings exposed to AEDs provide valuable insights into potential developmental outcomes.

    Implications:

    • Understanding AED teratogenicity is critical for optimizing treatment strategies in pregnant women with epilepsy.
    • Further research is needed to confirm the safety of newer AEDs and to develop safer alternatives.
    • This knowledge can guide clinical practice and improve counseling for patients regarding pregnancy and epilepsy management.

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