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Intrauterine drug exposure as a risk factor for cerebral palsy

Kristen L Benninger1,2, Jessica Purnell1, Sara Conroy3,4

  • 1Center for Perinatal Research, The Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, OH, USA.

Developmental Medicine and Child Neurology
|September 16, 2021
PubMed

Insights

Infants with intrauterine drug exposure (IUDE) show similar cerebral palsy (CP) risks as other high-risk groups. CP classification and severity did not differ significantly between exposed and unexposed infants.

Area of Science:

  • Neonatalogy
  • Neurology
  • Developmental Pediatrics

Background:

  • Intrauterine drug exposure (IUDE) is a growing concern in neonatal care.
  • Cerebral palsy (CP) is a leading cause of motor disability in children.
  • Understanding the specific risks associated with IUDE is crucial for early intervention.

Purpose of the Study:

  • To compare the risk of cerebral palsy (CP) in infants with intrauterine drug exposure (IUDE) to other high-risk populations.
  • To determine if CP classification differs based on IUDE status.
  • To describe the association of CP with specific substances among exposed infants.

Main Methods:

  • Retrospective analysis of 5578 infants in a high-risk follow-up program (2014-2018).
  • Infants had a history of IUDE or a CP diagnosis.
  • CP rates, classification, and risk factors were analyzed using statistical tests and logistic regression.

Main Results:

  • CP rates were similar between infants with IUDE (5.2%) and unexposed high-risk infants (5.7%).
  • No significant differences were found in CP typology, topography, or severity between groups.
  • Specific substances in IUDE showed varied associations with CP risk after controlling for other factors.

Conclusions:

  • Intrauterine drug exposure (IUDE) does not appear to confer a higher risk for cerebral palsy (CP) compared to other high-risk populations.
  • CP classification and severity are not significantly different between IUDE-exposed and unexposed infants.
  • IUDE should be recognized as a 'newborn-detectable risk' for early CP detection guidelines.
Abstract

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