期刊
JOURNAL OF THE AMERICAN SOCIETY OF HYPERTENSION
卷 2, 期 3, 页码 152-157出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jash.2007.10.008
关键词
Heart rate; carotid artery thickness; arterial stiffness
资金
- American Heart Association [0555168B]
- National Institute of Child Health and Human Development [HD-047247]
- National Institute on Aging [AG-16592]
- National Heart, Lung. Blood Institute [HL-38844]
Heart rate, a hemodynamic parameter. is an important determinant of arterial wall stiffness However, information oil the relationship of heart rate to arterial wall thickness is inconsistent. This study examined the influence of heart rate oil arterial stiffness and thickness in Black and White young adults. The Study cohort Consisted of 255 Black and 659 White adults age 25 to 43 years enrolled in the Bogalusa Heart Study Carotid artery intima-media thickness (IMT) was Measured by B-mode ultrasound and aorta-femoral Pulse wave velocity (af-PWV) by echo-Doppler There was no difference in heart rate between Blacks and Whites. Males vs. females displayed lower heart and higher se-mental and composite carotid IMT; Blacks vs. Whites had higher composite carotid IMT (0.83 mm vs 0.80 mm. P < 01) and af-PWV (5.4 m/s vs 5.2 m/s. P < .01) In a multivariate regression model adjusting for traditional cardiovascular risk variables, heart rate was independently associated with af-PWV (standardized repression coefficient beta = .14, P = 01 for Blacks, beta = 06, P = 07 for Whites beta = .09, P = .003 for total sample), but not with carotid IMT. These results indicate that heart rate plays differential roles in the development of arterial stiffness and subclinical atherosclerosis during young adulthood (c) 2008 American Society of Hypertension All rights reserved.
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