European journal of preventive cardiology · 2014
Effect of physical activity on vascular characteristics in young children.
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Idris Nikmah S, Evelein Annemieke M V, Geerts Caroline C, Sastroasmoro Sudigdo, Grobbee Diederick E, Uiterwaal Cuno S P M
Аннотация
BACKGROUND: Physical activity has long been proposed as an important modifiable cardiovascular risk factor in adults. We assessed whether physical activity already has an effect on childhood vasculature.
METHODS: In the Wheezing-Illnesses-Study-in-Leidsche-Rijn birth cohort, we performed vascular ultrasound to measure carotid intima-media thickness (cIMT) and functional properties (distensibility, elastic modulus) at 5 and 8 years of age. Child typical physical activities were inquired using a questionnaire completed by parents. Linear regression was used with physical activity level, expressed as a standardized value of time-weighted metabolic equivalent (MET) as the independent variable and vascular properties as dependent variables with further confounder adjustment and evaluation for possible body mass index and sex effect modifications.
RESULTS: In 595 5-year-old children and in 237 of those who had reached the age of 8 years, we did not find statistically significant associations between total time-weighted MET and each vascular parameter, neither in pooled nor stratified analysis. However, sport activities were associated with thinner cIMT (-3.20 µm/SD, 95% CI -6.34, -0.22, p = 0.04) at 5 years of age; a similar pattern was seen for organized sport. This effect was strongest in children in the highest body mass index tertile (-5.38 µm/SD, 95% CI -10.54, -0.19, p = 0.04). At the age of 8 years, higher sport level tended to be associated with higher vascular distensibility (2.64 × 10(3) kPa/SD, 95% CI -0.18, 5.45, p = 0.07) although this was not statistically significant.
CONCLUSIONS: Sport activity may have beneficial effects on arteries of young children, particularly those with higher relative body weight.
METHODS: In the Wheezing-Illnesses-Study-in-Leidsche-Rijn birth cohort, we performed vascular ultrasound to measure carotid intima-media thickness (cIMT) and functional properties (distensibility, elastic modulus) at 5 and 8 years of age. Child typical physical activities were inquired using a questionnaire completed by parents. Linear regression was used with physical activity level, expressed as a standardized value of time-weighted metabolic equivalent (MET) as the independent variable and vascular properties as dependent variables with further confounder adjustment and evaluation for possible body mass index and sex effect modifications.
RESULTS: In 595 5-year-old children and in 237 of those who had reached the age of 8 years, we did not find statistically significant associations between total time-weighted MET and each vascular parameter, neither in pooled nor stratified analysis. However, sport activities were associated with thinner cIMT (-3.20 µm/SD, 95% CI -6.34, -0.22, p = 0.04) at 5 years of age; a similar pattern was seen for organized sport. This effect was strongest in children in the highest body mass index tertile (-5.38 µm/SD, 95% CI -10.54, -0.19, p = 0.04). At the age of 8 years, higher sport level tended to be associated with higher vascular distensibility (2.64 × 10(3) kPa/SD, 95% CI -0.18, 5.45, p = 0.07) although this was not statistically significant.
CONCLUSIONS: Sport activity may have beneficial effects on arteries of young children, particularly those with higher relative body weight.