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Emerging evidence for accelerated ageing and cardiovascular disease in individuals with cerebral palsy
Patrick G McPhee1, Maureen J MacDonald, Jem L Cheng
1School of Rehabilitation Science, McMaster University, L7T 3Z6 Hamilton, Canada. mcpheepg@mcmaster.ca.
Insights
Individuals with cerebral palsy show faster progression of cardiovascular disease risk factors at a younger age than the general population. Traditional risk factors remained unchanged, while non-traditional ones worsened over four years.
Area of Science:
- Cardiovascular Health
- Neurology
- Public Health
Background:
- Cerebral palsy (CP) is associated with an increased risk of cardiovascular disease (CVD).
- Longitudinal data on CVD risk factors in adults with CP are limited.
- Understanding these changes is crucial for preventative strategies.
Purpose of the Study:
- To track changes in traditional and non-traditional CVD risk factors in individuals with CP over time.
- To explore the relationship between age, Gross Motor Function Classification System (GMFCS) levels, and CVD risk in this population.
Main Methods:
- A longitudinal cohort study followed 28 individuals with CP (GMFCS levels I-V) for a mean of 4.0 years.
- Assessed traditional risk factors (waist circumference, systolic blood pressure) and non-traditional factors (carotid artery intima media thickness, distensibility, pulse wave velocity, flow-mediated dilation).
Main Results:
- Flow-mediated dilation decreased significantly (absolute and relative measures).
- Carotid artery intima media thickness increased significantly.
- No significant changes were observed in traditional risk factors; age predicted intima media thickness changes.
Conclusions:
- Individuals with CP experience accelerated progression of non-traditional CVD risk factors compared to the general population.
- These detrimental changes occur at a younger age in individuals with CP.
- Findings highlight the need for early and targeted cardiovascular monitoring in adults with CP.
Objective:
To examine longitudinal changes in traditional and non-traditional risk factors for cardiovascular disease in individuals with cerebral palsy and to investigate relationships between age, Gross Motor Function Classification System (GMFCS) and risk of cardiovascular disease.
Methods:
Individuals with cerebral palsy (n = 28 of 53 eligible participants; GMFCS levels I-V; follow-up mean age 35.1 years (standard deviation (SD) 14.4) participated in a longitudinal cohort study with 4.0 years (SD 1.2) follow-up. Traditional risk factors included waist circumference and systolic blood pressure. Non-traditional risk factors included carotid artery intima media thickness and distensibility, carotid-femoral pulse wave velocity, and flow-mediated dilation.
Results:
Absolute (0.31 mm (SD 0.13) vs 0.22 mm (SD 0.08) , p = 0.045, 95% confidence interval (95% CI) 0.040, 0.151) and relative flow-mediated dilation (9.9 % (SD 4.7) vs 7.5 % (SD 2.6), p = 0.049, 95% CI 0.464, 4.42) decreased, while carotid artery intima media thickness (0.52 mm (SD 0.17) vs 0.67 mm (SD 0.33), p = 0.041, 95% CI -0.242, -0.074) increased from baseline to follow-up. No other risk factor changed significantly. Age at baseline was a significant independent predictor of carotid artery intima media thickness change (R-squared = 0.261, p = 0.031).
Conclusion:
Individuals with cerebral palsy experience significant changes in non-traditional risk factors for cardiovascular disease over 4 years, in the face of no changes in traditional risk factors. Compared with findings in the literature from the general population, these risk factors progress at a faster rate and at a younger age in individuals with cerebral palsy.
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