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Sucking behavior of preterm neonates as a predictor of developmental outcomes

Barbara Medoff-Cooper1, Justine Shults, Joel Kaplan

  • 1Children's Hospital of Philadelphia, Philadelphia, PA, USA. Medoff@nursing.upenn.edu

Journal of Developmental and Behavioral Pediatrics : JDBP
|February 6, 2009
PubMed

Insights

Sucking patterns in preterm infants at 40 weeks postmenstrual age predict neurodevelopmental outcomes at 12 months. This early assessment can identify infants at risk for developmental delay.

Area of Science:

  • Neonatology
  • Developmental Pediatrics
  • Neuroscience

Background:

  • Preterm infants often exhibit altered neurodevelopmental trajectories.
  • Early identification of developmental risks in preterm infants is crucial for timely intervention.

Purpose of the Study:

  • To evaluate the relationship between early sucking behavior patterns in preterm infants and their neurodevelopmental outcomes.
  • To determine if sucking performance can serve as an early predictor of developmental status.

Main Methods:

  • 105 preterm infants (PMA at birth: 30.5 ± 2.8 weeks) underwent sucking tests at 34 and 40 weeks PMA.
  • Neurodevelopmental outcomes were assessed at 6 and/or 12 months corrected age using the Bayley Scales of Infant Development.

Main Results:

  • Infants' scores on the Bayley Scales (PDI and MDI) were significantly below normative levels.
  • Sucking parameters at 40 weeks PMA (number of sucks, mean sucks per burst, peak pressure) were significantly associated with 12-month PDI and MDI.
  • A composite sucking parameter also showed significant relationships with developmental indices.

Conclusions:

  • Sucking performance at 40 weeks PMA is an independent predictor of neurodevelopmental status at 1 year corrected age.
  • Standardized neonatal sucking assessment may provide a cost-effective early screening tool for preterm infants at risk for developmental delay.
Abstract

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