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Large postnatally acquired porencephalic cysts: unexpected developmental outcomes.

J A Blackman1, G A McGuinness, J F Bale

  • 1Department of Pediatrics, University of Iowa, Iowa City.

Journal of Child Neurology
|January 1, 1991
PubMed
Summary
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Infants with posthemorrhagic intraparenchymal cysts often have motor deficits but may have better cognitive outcomes than expected. Neonatal seizures and cyst location influenced neurodevelopmental results.

Area of Science:

  • Neuroscience
  • Pediatric Neurology
  • Developmental Pediatrics

Background:

  • Posthemorrhagic intraparenchymal cysts are a complication of severe intraventricular hemorrhage in infants.
  • The neurodevelopmental outcomes for these infants are often presumed to be poor, particularly concerning cognitive function.

Purpose of the Study:

  • To evaluate the neurodevelopmental outcomes in infants diagnosed with posthemorrhagic intraparenchymal cysts.
  • To identify factors associated with better or worse neurodevelopmental trajectories in this population.

Main Methods:

  • Retrospective review of clinical, ultrasonographic, and developmental data.
  • Assessment of cognitive and motor outcomes at a mean follow-up age of 33 months.
  • Statistical analysis to determine relationships between neonatal factors and outcomes.

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Main Results:

  • Most children (n=16) exhibited motor deficits, with spastic cerebral palsy in 81%.
  • Cognitive outcomes varied: 31% had normal cognition (DQ/IQ > 83), 56% had borderline to mild deficits (DQ/IQ 52-83), and 19% had moderate to severe deficits (DQ/IQ < 52).
  • Normal cognitive outcomes were associated with fewer neonatal seizures and more localized cysts.

Conclusions:

  • Motor deficits are common in infants with severe intraventricular hemorrhage and resulting porencephalic cysts.
  • Cognitive outcomes may be more favorable than previously assumed, suggesting potential for intervention and support.
  • Early identification of neonatal seizures and cyst characteristics may aid in predicting neurodevelopmental trajectories.