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The relation between perinatal conditions and developmental outcome in low birthweight infants. Comparison of two

P H Ellison1, G Greisen, M Foster

  • 1Department of Psychology, University of Denver, Colorado.

Acta Paediatrica Scandinavica
|January 1, 1991
PubMed

Insights

This study compared perinatal factors and four-year developmental outcomes in low birthweight children from Wisconsin and Copenhagen. Neonatal complications impacted outcomes differently across cohorts, with prematurity having a greater effect in Copenhagen.

Area of Science:

  • Neonatal research
  • Developmental pediatrics
  • Epidemiology

Background:

  • Low birthweight infants face risks for developmental issues.
  • Understanding perinatal factors influencing outcomes is crucial for early intervention.
  • Comparing cohorts from different regions provides insights into environmental and healthcare influences.

Purpose of the Study:

  • To compare the relationship between perinatal conditions and developmental outcomes at age four years.
  • To examine the influence of parental education, socioeconomic status, Cesarean section, prematurity, and neonatal complications.
  • To model these relationships using latent path structural analysis in two distinct cohorts.

Main Methods:

  • Latent path structural analysis was employed.
  • Two models were constructed for cohorts from Southeastern Wisconsin (1975-76) and Copenhagen (1980-82).
  • Fifteen latent variables were analyzed to assess perinatal factors and developmental outcomes.

Main Results:

  • Parental education and socioeconomic status had a greater impact in Wisconsin.
  • Neonatal complications like infant condition, respirator use, pneumothorax, and anemia/apnea were linked to outcomes in Wisconsin.
  • Pneumothorax and germinal layer hemorrhage were significant in Copenhagen; prematurity had a greater impact there.
  • Cesarean section and mechanical ventilation were more frequent in Denmark but showed no improved outcome association.

Conclusions:

  • Perinatal factors influencing developmental outcomes in low birthweight children vary significantly between geographic regions.
  • Neonatal complications and degree of prematurity are key predictors, but their specific impact differs.
  • Healthcare practices like Cesarean section and mechanical ventilation did not demonstrate a clear link to improved developmental outcomes in this comparison.

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