Brain injury in the premature infant--current concepts
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Updated: Aug 17, 2026

Preterm EEG: A Multimodal Neurophysiological Protocol
Published on: February 18, 2012
1Children's Hospital, Harvard Medical School, Boston, Massachusetts 02138.
Insights
Preventing brain injury in premature infants is critical. Despite increased survival rates for low birth weight infants, rates of cerebral palsy and developmental disabilities remain high, highlighting the need for effective interventions.
Area of Science:
- Neonatal neurology
- Perinatal medicine
- Developmental pediatrics
Background:
- Brain injury is a significant concern for premature infants.
- Approximately 50,000 low birth weight infants (<= 1,500 g) are born annually in the US.
- Increased survival rates for these infants have led to a rise in cerebral palsy and developmental disabilities.
Purpose of the Study:
- To highlight the magnitude of brain injury in premature infants.
- To emphasize the importance of injury prevention strategies.
- To address the increasing prevalence of cerebral palsy in low birth weight survivors.
Main Methods:
- Epidemiological studies were reviewed.
- Data on birth weight, survival rates, and neurological outcomes were analyzed.
- Trends in cerebral palsy prevalence were examined.
Main Results:
- 5-15% of surviving low birth weight infants have major spastic motor deficits (cerebral palsy).
- 25-50% of survivors experience less prominent developmental disabilities, including school failure.
- The prevalence of cerebral palsy in low birth weight infants has increased in recent years.
Conclusions:
- Preventing brain injury in premature infants is a major challenge.
- The increasing survival of fragile infants contributes to higher rates of neurological deficits.
- Further research and interventions are needed to mitigate these outcomes.
Abstract:
The magnitude of the problem of brain injury in the premature infant, and particularly the prevention of that injury, is enormous. Approximately 50,000 infants are born yearly in the United States with a birthweight < or = 1,500 g. Approximately 85% of these infants survive, and of the survivors, approximately 5-15% exhibit major spastic motor deficits, grouped under the rubric "cerebral palsy," and an additional 25-50% exhibit less prominent development disabilities, particularly school failure. Moreover, epidemiological studies show that in recent years the prevalence of cerebral palsy in infants of low birth weight, i.e., birth weight < or = 1,500 g, has increased, probably as a secondary result of the ever increasing survival rates for these fragile small infants.
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