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The epidemiology and causes of cerebral palsy

Dinah S Reddihough1, Kevin J Collins

  • 1Royal Childrens Hospital, Melbourne. dinah.reddihough@rch.org.au

The Australian Journal of Physiotherapy
|February 26, 2003
PubMed

Insights

Cerebral palsy is a common childhood physical disability. The proportion linked to preterm births is rising, highlighting the need to understand causes and risk factors for future research.

Area of Science:

  • Neurology
  • Pediatrics
  • Developmental Disabilities

Background:

  • Cerebral palsy (CP) is the most frequent physical disability in children, affecting 2.0–2.5 per 1000 live births.
  • While overall CP rates are stable, a notable increase in cases associated with preterm and very preterm births has been observed.
  • Distinguishing direct causes from risk factors is crucial for understanding CP etiology.

Purpose of the Study:

  • To provide a comprehensive overview of the causes and risk factors associated with cerebral palsy.
  • To differentiate between direct causes and indirect risk factors implicated in CP development.
  • To identify areas for future research in cerebral palsy.

Main Methods:

  • Review of existing literature on cerebral palsy causes and risk factors.
  • Analysis of epidemiological data regarding CP prevalence and birth outcomes.
  • Synthesis of information on prenatal, perinatal, and postnatal factors.

Main Results:

  • Cerebral palsy remains a significant childhood disability with stable overall incidence.
  • A clear upward trend exists in the proportion of cerebral palsy cases linked to preterm birth.
  • Numerous risk factors, acting individually or in concert, contribute indirectly to cerebral palsy.

Conclusions:

  • Understanding the complex interplay of causes and risk factors is essential for addressing cerebral palsy.
  • Further research is needed to elucidate the mechanisms underlying cerebral palsy, particularly in preterm infants.
  • Targeted interventions based on identified risk factors may help mitigate cerebral palsy incidence.

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