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Neurodevelopmental outcomes of infants born prematurely

Glen P Aylward1

  • 1Division of Developmental and Behavioral Pediatrics, Southern Illinois University School of Medicine, Springfield 62794-9658, USA. gaylward@siumed.edu

Journal of Developmental and Behavioral Pediatrics : JDBP
|December 14, 2005
PubMed

Insights

Children born prematurely often experience neurodevelopmental challenges affecting motor skills, cognition, and behavior. Long-term follow-up is crucial for understanding these outcomes and improving care for high-risk infants.

Area of Science:

  • Neuroscience
  • Developmental Pediatrics
  • Child Psychology

Background:

  • Premature birth can lead to disruptions in brain development, including neurogenesis, migration, myelination, and synaptogenesis.
  • Understanding neurodevelopmental outcomes in preterm infants is essential, shifting focus from major disabilities to subtle, high-prevalence dysfunctions.
  • The pathogenesis of neurodevelopmental issues involves developmental disruptions and injury, influenced by infant age and central nervous system plasticity.

Purpose of the Study:

  • To review and synthesize current knowledge on neurodevelopmental outcomes in infants born prematurely.
  • To highlight the challenges in definitively characterizing outcomes due to methodologic limitations in follow-up studies.
  • To discuss potential improvements in analytical approaches and assessment techniques for evaluating neurodevelopmental functions.

Main Methods:

  • Review of existing literature on long-term follow-up studies of premature infants.
  • Analysis of common neurodevelopmental outcomes and their prevalence.
  • Discussion of advanced statistical methods (e.g., cluster analysis, structural equation modeling) and risk assessment strategies.

Main Results:

  • Preterm infants generally exhibit more neurodevelopmental problems compared to normal birth weight peers.
  • Consistent findings across studies identify issues in motor/neurologic function, visuomotor skills, IQ, academic achievement, language, executive function, and behavior (including ADHD).
  • Despite methodologic challenges, a degree of agreement exists on specific neurodevelopmental outcome domains.

Conclusions:

  • Long-term follow-up is critical for assessing the diverse neurodevelopmental outcomes in preterm infants.
  • Improved analytical and assessment methods are needed to better understand and characterize these outcomes.
  • Addressing subtle neurodevelopmental deficits requires refined research approaches and targeted interventions.

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