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Neurodevelopment at 1 year of age in infants with congenital heart disease

H Dittrich1, C Bührer, I Grimmer

  • 1Department of Congenital Heart Defects, German Heart Institute, Berlin, Germany.

Heart (British Cardiac Society)
|March 18, 2003
PubMed

Insights

Infants undergoing cardiac surgery show significant neurodevelopmental delays and neurological issues by age one. Palliative procedures are linked to more severe outcomes than corrective surgeries in these infants.

Area of Science:

  • Pediatric Cardiology
  • Developmental Neuroscience
  • Pediatric Surgery

Background:

  • Congenital heart defects (CHDs) are common birth anomalies requiring surgical intervention.
  • Assessing neurodevelopmental outcomes post-cardiac surgery is crucial for long-term infant health.
  • Previous studies highlight potential risks, but detailed psychomotor and neurological assessments are needed.

Purpose of the Study:

  • To evaluate psychomotor development and neurological sequelae in infants following surgical repair of CHDs.
  • To compare outcomes between infants undergoing palliative versus corrective cardiac surgeries.
  • To identify the incidence of neurodevelopmental impairment at one year of age.

Main Methods:

  • A prospective cohort study was conducted at a single institution.
  • 90 infants under one year who survived cardiac surgery were assessed using Griffiths developmental scales and neurological examinations.
  • A control group of 20 infants with minor or no CHDs was included for comparison.

Main Results:

  • Infants after cardiac surgery had significantly lower developmental quotients (DQ) compared to controls (99 vs. 106.7, p < 0.001).
  • Palliative surgery was associated with lower DQs (88) and higher rates of developmental delay (63%) than corrective surgery (101.4, 19%).
  • 32% of infants post-cardiac surgery exhibited neurological abnormalities, significantly more than controls (5%), with higher rates after palliative procedures (69% vs. 24%).

Conclusions:

  • A substantial proportion of infants experience neurodevelopmental impairment one year after cardiac surgery.
  • Psychomotor deficits and neurological sequelae are more pronounced in infants who undergo palliative surgery.
  • Early neurodevelopmental assessment is vital for infants with CHDs, especially those receiving palliative interventions.
Abstract

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