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Related Experiment Videos

Does perinatal phenobarbital exposure affect developmental outcome at age 2?

J A Thorp1, M O'Connor, A M Jones

  • 1Department of Obstetrics and Gynecology, Saint Luke's Hospital, and University of Missouri School of Medicine, USA.

American Journal of Perinatology
|June 4, 1999
PubMed
Summary

Perinatal phenobarbital exposure may negatively impact child development. Children exposed to phenobarbital showed lower scores on the Bayley Mental Developmental Index at age two compared to placebo.

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Area of Science:

  • Obstetrics and Gynecology
  • Pediatric Neurology
  • Developmental Psychology

Background:

  • Phenobarbital is a medication sometimes used during pregnancy.
  • The effects of prenatal phenobarbital exposure on long-term child development are not fully understood.

Purpose of the Study:

  • To investigate the association between prenatal phenobarbital exposure and developmental outcomes at age 2 years.

Main Methods:

  • A randomized, double-blind, placebo-controlled trial involving pregnant women at risk for preterm delivery.
  • Participants received either phenobarbital and vitamin K or a placebo before delivery.
  • Infant development was assessed at age 2 years using the Bayley Mental Developmental Index (MDI).

Main Results:

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  • Children exposed to phenobarbital had significantly lower mean MDI scores compared to the placebo group (104 vs. 113, p = 0.023).
  • Phenobarbital exposure was identified as a significant predictor of MDI scores among 36 independent variables.

Conclusions:

  • Perinatal phenobarbital therapy may be associated with impaired cognitive development in children.
  • Further research is warranted to confirm these findings and explore underlying mechanisms.