Arteriosclerosis, thrombosis, and vascular biology · 2009
HDL-cholesterol, blood pressure, and asymmetric dimethylarginine are significantly associated with arterial wall thickness in children.
СтатьяМногоцентровое исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Ayer Julian G, Harmer Jason A, Nakhla Shirley, Xuan Wei, Ng Martin K C, Raitakari Olli T, Marks Guy B, Celermajer David S
Аннотация
OBJECTIVE: Atherosclerosis is found at autopsy in the arteries of adolescents and young adults. Arterial wall thickening may be assessed in vivo by ultrasound measurement of the carotid intima media thickness (CIMT), a marker of subclinical atherosclerosis. As the determinants of arterial wall thickness in childhood are unknown, we assessed the influence of cardiovascular risk factors on CIMT in 8-year-old children.
METHODS AND RESULTS: A community-based sample of 405 children (age 8.0+/-0.1 years, 49% girls) had anthropometry, family history, blood pressure (BP), and CIMT measured. A blood sample was collected for HDL and non-HDL cholesterol, apolipoproteins A1 and B, high-sensitivity C-reactive protein, bilirubin, and asymmetric dimethylarginine (ADMA, an endogenous nitric oxide inhibitor). CIMT was significantly associated with systolic BP (r=0.17, P<0.001), diastolic BP (r=0.10, P=0.04), HDL (r=-0.13, P=0.02), and ADMA (r=0.18, P=0.001). CIMT was significantly higher in children with premature parental CHD (0.63+/-0.07 versus 0.59+/-0.06 mm, P=0.03). On multivariate analysis, HDL (beta coefficient=-0.02, P=0.04), ADMA (beta coefficient=0.05, P<0.001), and systolic BP (beta coefficient=0.001, P=0.003) were significantly and independently associated with CIMT.
CONCLUSIONS: Lower HDL-cholesterol, higher levels of ADMA, and systolic BP are significantly associated with greater arterial wall thickness in early childhood.
METHODS AND RESULTS: A community-based sample of 405 children (age 8.0+/-0.1 years, 49% girls) had anthropometry, family history, blood pressure (BP), and CIMT measured. A blood sample was collected for HDL and non-HDL cholesterol, apolipoproteins A1 and B, high-sensitivity C-reactive protein, bilirubin, and asymmetric dimethylarginine (ADMA, an endogenous nitric oxide inhibitor). CIMT was significantly associated with systolic BP (r=0.17, P<0.001), diastolic BP (r=0.10, P=0.04), HDL (r=-0.13, P=0.02), and ADMA (r=0.18, P=0.001). CIMT was significantly higher in children with premature parental CHD (0.63+/-0.07 versus 0.59+/-0.06 mm, P=0.03). On multivariate analysis, HDL (beta coefficient=-0.02, P=0.04), ADMA (beta coefficient=0.05, P<0.001), and systolic BP (beta coefficient=0.001, P=0.003) were significantly and independently associated with CIMT.
CONCLUSIONS: Lower HDL-cholesterol, higher levels of ADMA, and systolic BP are significantly associated with greater arterial wall thickness in early childhood.