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A Piglet Model of Neonatal Hypoxic-Ischemic Encephalopathy
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A Piglet Model of Neonatal Hypoxic-Ischemic Encephalopathy

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Hypoxic ischemic encephalopathy developmental outcome at 12 years

Babu George1, M S Razeena Padmam, M K C Nair

  • 1Child Development Centre, Medical College, Thiruvananthapuram, Kerala, India.

Indian Pediatrics
|March 13, 2009
PubMed

Insights

Hypoxic ischemic encephalopathy (HIE) in newborns can lead to significant developmental challenges. This study found that many children with HIE experienced intellectual disabilities and psychopathology problems by age 12.

Area of Science:

  • Neonatal Neurology
  • Developmental Pediatrics
  • Neurodevelopmental Disorders

Background:

  • Hypoxic ischemic encephalopathy (HIE) is a serious birth complication affecting newborns.
  • Long-term neurodevelopmental outcomes for HIE survivors require thorough investigation.

Purpose of the Study:

  • To assess mental and motor development in term infants with HIE at 12 years of age.
  • To identify developmental psychopathology problems in HIE survivors.

Main Methods:

  • Longitudinal assessment of 48 term infants diagnosed with HIE at birth.
  • Evaluation of cognitive function, including intelligence quotient (IQ) and developmental status.
  • Screening for psychopathology, visual abnormalities, and cerebral palsy.

Main Results:

  • Among 41 infants with Grade I HIE, 36% had normal intelligence, while 9.8% had mental retardation.
  • In 7 infants with Grade II/III HIE, 2 had mental retardation, 3 borderline IQ, and 2 low average IQ.
  • Hyperkinesis (23%) and somatic disorders (17%) were common; Grade II/III HIE correlated with visual abnormality, cerebral palsy, and psychopathology.

Conclusions:

  • HIE can result in a spectrum of neurodevelopmental deficits, including intellectual disability and psychopathology.
  • Severity of HIE impacts long-term outcomes, with higher grades associated with more severe impairments.
  • Early identification and intervention are crucial for managing developmental challenges in HIE survivors.

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