Context-Prediction models to identify healthy individuals at high risk of cardiovascular disease have limited accuracy. A low ankle brachial index is an indicator of atherosclerosis and has the potential to improve prediction.Objective-To determine if the ankle brachial index provides information on the risk of cardiovascular events and mortality independently of the Framingham Risk Score and can improve risk prediction.
Background: Total plasma homocysteine (tHcy) is an independent risk factor for cardiovascular disease in adults. Data for children and adolescents are lacking. Objective: The aim of this study was to provide a reference range for tHcy and to explore the relation between tHcy and nutritional indexes in a Belgian pediatric population. . We observed no significant differences in tHcy values between girls and boys in children aged < 15 y; in postpubertal children, however, concentrations were higher in boys than in girls. In the 3 age groups, folate was inversely correlated with tHcy; the negative relation between tHcy and vitamin B-12 was less strong. Familial cardiovascular disease was more frequent in children who had hyperhomocysteinemia. Conclusions: These observations suggest that in children, as in adults, genetic, nutritional, and endocrine factors are determinants of the metabolism of homocysteine. The significance of tHcy values in childhood and young adulthood in terms of predicting cardiovascular risk in adulthood should be investigated. Am J Clin Nutr 1999;69:968-72.
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