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Birthweight specific trends in cerebral palsy
P O Pharoah1, T Cooke, R W Cooke
1Department of Public Health, University of Liverpool.
Archives of Disease in Childhood
|June 1, 1990
Summary
Prevalence of cerebral palsy (CP) increased significantly in low birth weight infants, particularly very low birth weight infants. This rise in CP may stem from improved medical care or perinatal complications.
Area of Science:
- Neurology
- Pediatrics
- Public Health
Background:
- Cerebral palsy (CP) is a group of disorders affecting movement and posture.
- Understanding trends in CP prevalence is crucial for public health interventions.
- Infant birth weight is a known risk factor for CP development.
Purpose of the Study:
- To analyze trends in cerebral palsy prevalence in the Mersey region from 1967-1984.
- To investigate the relationship between infant birth weight and cerebral palsy incidence.
- To identify potential factors contributing to observed changes in CP prevalence.
Main Methods:
- A register of infants with cerebral palsy was maintained using multiple data sources.
- Data from 1056 registered patients born between 1967 and 1984 were analyzed.
- Prevalence rates were examined across different birth weight categories.
Main Results:
- No significant change in CP prevalence was observed for normal birth weight infants (>2500g).
- A significant increase in CP prevalence was found for low birth weight infants (≤2500g).
- The increase in CP prevalence was more pronounced and started later in very low birth weight infants (≤1500g).
Conclusions:
- Improved survival of high-risk infants due to medical advancements may contribute to increased CP prevalence.
- Potential failures in perinatal care could also be a factor in the rising CP rates among low birth weight infants.
- Further research is needed to elucidate the exact causes of these observed trends in cerebral palsy.