Results 211 to 220 of about 112,017 (259)
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Cadmium and vascular reactivity in the rat
Toxicology and Applied Pharmacology, 1975Abstract Cadmium has been reported to induce hypertension accompanied by decreased vascular responsiveness to autonomic drugs in the rat and rabbit. Cadmium acetate administration to female Sprague-Dawley rats failed to elevate blood pressure, although cadmium-treated animals exhibited decreased blood pressure,responses to intravenously administered ...
M C, Porter, T S, Miya, W F, Bousquet
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Gender and vascular reactivity
Lupus, 1999Estrogen receptors are found on vascular endothelial and smooth muscle cells; their expression is influenced by exposure to the hormone. Estrogen receptors influence non-genomic events, which are rapid in onset and genomic events, which are longer acting responses.
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Alterations of Vascular Reactivity in Atherosclerosis
Circulation Research, 1987We have previously found that vascular relaxation to acetylcholine and thrombin is markedly impaired in vessels from monkeys with diet-induced atherosclerosis. In the present study, we found that both normal and atherosclerotic vessels relaxed completely to the calcium ionophore A23187, which stimulates release of the endothelium-derived relaxing ...
D G, Harrison +4 more
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Vascular reactivity and tissue oxygenation
Intensive Care Medicine, 1995When blood carries less than the normal amount of oxygen (CaO2) or when blood flow (Q) decreases, oxygen delivery (DO2 = QCaO2) is gradually reduced. Compensatory adjustments occur in an attempt to satisfy the oxygen requirements of peripheral tissues.
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Magnesium and Vascular Tone and Reactivity
Blood Vessels, 2008It has been reported that the concentration of extracellular magnesium ions ([Mg++]<sub>o</sub>) can affect blood flow, blood pressure and vascular reactivity in intact mammals. The present studies, using a variety of rat and rabbit blood vessels, were undertaken to shed further light on the relationship between [Mg++]<sub>o</sub ...
B M, Altura, B T, Altura
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Metabolic syndrome and vascular reactivity
International Journal of Cardiology, 2008Abstract The relationship between metabolic syndrome, white-coat hypertension and vascular reactivity to sympathetic stimulation is an intriguing point, particularly because there are several factors in the metabolic syndrome – hypertension, hyperglycaemia, altered lipid profile, increased body weight – able to influence the vessel wall response to ...
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Control of vascular Reactivity in Pregnancy
American Journal of Kidney Diseases, 1987Human pregnancy is characterized by a blunted pressor responsiveness to vasopressor substances. This was first reported by Dieckmann and Michel in 1937 in experiments in which they measured vascular reactivity to the pressor effects of a crude preparation of vasopressin.
N F, Gant +4 more
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Sex hormones and vascular reactivity
Herz, 1997It is increasingly recognized that sex steroids have, among many other effects, the ability to cause vasodilation. The vasodilatory effects of estradiol have been the best documented and described. At low concentrations, estradiol has the ability to improve impaired endothelium dependent (nitric oxide mediated) relaxation in estrogen deficient subjects.
S J, Hutchison +3 more
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Vascular reactivity in diabetes mellitus
Current Diabetes Reports, 2002Cardiovascular disease is responsible for 70% of the deaths in diabetes mellitus. Endothelial dysfunction occurs early in atherosclerosis and can now be assessed accurately and reproducibly by noninvasive means. Hyperglycemia, insulin resistance, microvascular complications, and coexistent conditions have been shown to impair endothelial function in ...
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VASCULAR REACTIVITY STUDIES IN HYPERTENSION
Australian Journal of Experimental Biology and Medical Science, 1968SummaryThe reactivity of the hand blood vessels to local intra‐arterial infusions of angiotensin and noradrenaline was studied in patients with primary, renovascular and malignant hypertension and correlated with plasma renin activity.In nineteen patients with primary hypertension and normal plasma renin activity the angiotensin and noradrenaline ...
G C, Scroop, R F, Whelan
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