Framingham risk score is related to carotid artery intima-media thickness in both white and black young adults: the Bogalusa Heart Study

Lyn Kieltyka, Elaine M Urbina, Rong Tang, M Gene Bond, Sathanur R Srinivasan, Gerald S Berenson
Atherosclerosis 2003, 170 (1): 125-30
The Framingham risk score (FRS), developed in a white cohort aged 30-74 years, is increasingly used in the early risk identification for coronary artery disease (CAD). This study examines the relationship between FRS and carotid artery intima-media thickness (IMT), a surrogate marker of coronary atherosclerosis, in black and white individuals aged 20-37 years. Five hundred seventeen young adults (aged 20-37 years; 71% white, 39% male) enrolled in the Bogalusa Heart Study had carotid artery ultrasonography. Age, gender, systolic blood pressure, total cholesterol to HDL cholesterol ratio, cigarette smoking habit, type 2 diabetes, and left ventricular hypertrophy (LVH) were used to calculate FRS. Results indicated a significant, positive linear relationship between tertiles of FRS and IMT of the common, bulb, and internal carotid segments in blacks and whites alike. In a multivariate analysis including FRS, race, BMI, parental history of CAD, stroke, type 2 diabetes, or hypertension, logtriglycerides, loginsulin, alcohol consumption (ml/week), and regular physical activity, the FRS was independently associated with all three carotid segments. Further, the FRS as a main predictor variable explained relatively more of the variance in the IMT of the carotid bulb (9%) than in the common (5%) or internal (3%) carotid segments. These results support the use of FRS in both white and black young adults and underscore the importance of prevention and control of multiple risk factors in youth.

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