Ethnic differences in flow mediated dilation of the brachial artery
نویسندگان
چکیده
منابع مشابه
Local Shear Stress and Brachial Artery Flow–Mediated Dilation
Endothelium-dependent flow-mediated dilation is a homeostatic response to short-term increases in local shear stress. Flow-mediated dilation of the brachial artery in response to postischemic reactive hyperemia is impaired in patients with cardiovascular disease risk factors and may reflect local endothelial dysfunction in the brachial artery. However, previous studies have largely neglected th...
متن کاملEffects of race and hypertension on flow-mediated and nitroglycerin-mediated dilation of the brachial artery.
Black Americans have increased morbidity and mortality rates from cardiovascular disease, greater prevalence of hypertension, and altered responses to vasodilator medications compared with those of white Americans. Hypertension and black race have been linked to impaired vascular function in the microcirculation. To examine these effects and their interaction in the conduit vasculature, we exam...
متن کاملBrachial flow-mediated dilation and incident atrial fibrillation: the multi-ethnic study of atherosclerosis.
OBJECTIVE It is unknown whether endothelial dysfunction precedes atrial fibrillation (AF) development. The objective of this study was to examine the association of brachial flow-mediated dilation (FMD) with incident AF. APPROACH AND RESULTS A total of 2936 participants (mean age, 61±9.9 years; 50% women; 66% nonwhites) from the Multi-Ethnic Study of Atherosclerosis with available ultrasound ...
متن کاملRetinal vascular caliber and brachial flow-mediated dilation: the Multi-Ethnic Study of Atherosclerosis.
BACKGROUND AND PURPOSE Retinal vascular caliber changes have been shown to predict stroke, but the underlying mechanism of this association is unknown. We examined the relationship between retinal vascular caliber with brachial flow-mediated dilation (FMD), a measure of systemic endothelial function. METHODS The Multi-Ethnic Study of Atherosclerosis (MESA) is a population-based study of perso...
متن کاملImpact of controlling shear rate on flow-mediated dilation responses in the brachial artery of humans.
The reactive hyperemia test (RHtest) evokes a transient increase in shear stress as a stimulus for endothelial-dependent flow-mediated vasodilation (EDFMD). We developed a noninvasive method to create controlled elevations in brachial artery (BA) shear rate (SR, estimate of shear stress), controlled hyperemia test (CHtest), and assessed the impact of this vs. the RHtest approach on EDFMD. Eight...
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ژورنال
عنوان ژورنال: American Journal of Hypertension
سال: 2005
ISSN: 0895-7061
DOI: 10.1016/j.amjhyper.2005.03.495