نتایج جستجو برای: brachial artery diameter
تعداد نتایج: 327377 فیلتر نتایج به سال:
instruction: measurement of brachial artery diameter variation by ultrasound methods has commonly been used to test the endothelial function. it is known that the artery diameter is increased by flow stimulation. therefore in the present study, the effect of external obstruction, as flow stimulation, on the radial strain of the brachial artery was assessed. also the biomechanical behavior of th...
Instruction: Measurement of brachial artery diameter variation by ultrasound methods has commonly been used to test the endothelial function. It is known that the artery diameter is increased by flow stimulation. Therefore in the present study, the effect of external obstruction, as flow stimulation, on the radial strain of the brachial artery was assessed. Also the biomechanical behavior of...
Introduction: Cardiovascular diseases, especially coronary artery disease, is one of the leading causes of death worldwide. Accordingly, the present study aimed to compare the effects of continuous and interval aerobic training on brachial artery diameter and endothelial function in coronary artery bypass graft patients. Materials and Methods: The present study encompassed 30 male patients meet...
background: to assess the endothelial function via noninvasive method, in pregnant women with preeclampsia compared to normotensive pregnant women. materials and methods: brachial artery diameter was measured via ultrasound, in 28 women with preeclampcia in case group and normotensive pregnant women in control group, at rest, after inflation of sphygmomanometer cuff up to 250-300 mmhg, immediat...
Studies of peripheral blood vessels in humans have focused primarily on regulation of blood flow and vascular resistance, which are thought to reflect small vessel caliber. Recent studies in animals have identified flow-mediated and neurogenic changes in large artery diameter. This study tested for flow-mediated dilatation and reflex constriction of the brachial artery in humans. A dual-crystal...
Instruction: Measurement of brachial artery diameter variation by ultrasound methods has commonly been used to test the endothelial function. It is known that the artery diameter is increased by flow stimulation. Therefore in the present study, the effect of external obstruction, as flow stimulation, on the radial strain of the brachial artery was assessed. Also the biomechanical behavior of th...
Shear rate is significantly lower in the superficial femoral compared with the brachial artery in the supine posture. The relative shear rates in these arteries of subjects in the upright posture (seated and/or standing) are unknown. The purpose of this investigation was to test the hypothesis that upright posture (seated and/or standing) would produce greater shear rates in the superficial fem...
Background: Brachial artery spasms may occur during transradial cardiac catheterization. The purpose of this study was to examine the relationship between brachial artery spasms after transradial cardiac catheterization and coronary artery disease. Methods: Two hundred and forty-one patients who received transradial cardiac catheterization for diagnosis of coronary artery disease were enrolled ...
Compliance and distensibility are wall properties of large arteries, which may play a role in cardiovascular disease. The purpose of this study was to investigate whether the influence of age on these vessel wall properties differs between vascular territories and is gender-dependent. In a population sample of 498 men and women 20 to 79 years of age, diameter, distensibility, and compliance coe...
BACKGROUND Flow-mediated dilation (FMD) following reactive hyperaemia can use different time-point measures for baseline diameter. The aim of this study is to compare preocclusion, occlusion and postocclusion baseline brachial artery measurements on the calculation of peak FMD. STUDY DESIGN Ultrasound imaging of the brachial artery following reactive hyperaemia was conducted in 418 children a...
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