Sex differences in the endothelial function of untreated hypertension.
Sex differences in the endothelial function of untreated hypertension.
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DOI:
10.1111/j.1751-7176.2012.00593.x
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发表时间:
2012-04
期刊:
影响因子:
--
通讯作者:
Sherwood A
中科院分区:
文献类型:
--
作者:
Routledge FS;Hinderliter AL;Blumenthal JA;Sherwood A
Vascular endothelial dysfunction is associated with increased risk for adverse cardiovascular events. However, less is known about gender differences in the endothelial function of untreated hypertensive individuals. The purpose of this study was to assess endothelial function in women and men with untreated hypertension. Ninety participants (35 women, 55 men), aged 40 to 60 years (mean age, 46.1±8.2 years), with untreated stage 1 hypertension (SBP 140–159 mmHg and/or DBP 90–99 mmHg) underwent brachial artery endothelial-dependent flow-mediated dilation and endothelial-independent glyceryl trinitrate dilation. Women had a smaller flow-mediated dilation response than men (adjusted means±SEM; 1.8%±0.6 vs. 3.9%±0.4, p=.036). adjusting for baseline arterial diameter (p=.004), age (p=.596), ethnicity (p=.496), log shear stress ratio (p<.001), BMI (p=.009), 24-hour DBP (p=.169), HDL (p=.225), log creatinine (p=.927) and log physical activity (p=.682). Glyceryl trinitrate dilation did not differ by gender in adjusted models. Women between the ages of 40 and 60 years with untreated stage 1 hypertension exhibited a greater impairment of endothelial function compared to their male counterparts. These findings raise the possibility that female gender may impart a greater risk of cardiovascular events in patients with untreated stage 1 hypertension potentially due to poorer endothelial function.
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