نتایج جستجو برای: stenosed artery
تعداد نتایج: 213643 فیلتر نتایج به سال:
OBJECTIVE To investigate whether advanced glycation end products (AGEs) participate in the development of coronary artery disease (CAD) in nondiabetic and diabetic subjects. RESEARCH DESIGN AND METHODS Serum concentrations of AGEs were measured using a newly established enzyme-linked immunosorbent assay in 48 nondiabetic patients (normal glucose tolerance, n = 20; impaired glucose tolerance, ...
BACKGROUND Shear-induced platelet aggregation (SIPA) is an important mechanism in thrombogenesis. von Willebrand factor (vWF) binding to platelet glycoprotein Ib (GP Ib) has been found to be crucial for platelet aggregation under the high shear force probably generated in stenosed coronary artery. The physiological significance of vWF-dependent SIPA has not been clarified. METHODS AND RESULTS...
Atherosclerosis is a systemic disease with local manifestations. Low-density lipoprotein (LDL) accumulation in the subendothelial layer is one of the hallmarks of atherosclerosis onset and ignites plaque development and progression. Blood flow-induced endothelial shear stress (ESS) is causally related to the heterogenic distribution of atherosclerotic lesions and critically affects LDL depositi...
BACKGROUND Prostaglandin E1 is a potent vasodilator with anti-inflammatory and antiplatelet effects. We tested the hypothesis that prostaglandin E1 attenuates or prevents platelet aggregation-associated cyclic flow variations (CFVs) in severely stenosed and endothelium-injured coronary arteries. METHODS AND RESULTS We induced CFVs in 21 dogs by placing an external constrictor around the left ...
PURPOSE Abnormalities in blood vessels by virtue of complex blood flow dynamics is being supported by non-Newtonian behavior of blood. Thus it becomes a focus of research to most of the researchers. Additionally, consideration of real life patient specific model of vessel as well as patient specific inlet flow boundary condition implementation was limited in literature. Thus a thorough implemen...
A 33-year-old man presented with a lateral medullary infarction, vertigo, and nausea. At the time of hospital admission, he had Wallenberg syndrome. Although initial magnetic resonance imaging showed no abnormalities, subsequent diffusion-weighted magnetic resonance imaging showed a high-intensity area in the right lateral medulla oblongata. The right vertebral artery was shown to be dilated on...
If a hypertensive patient with renal artery stenosis (RAS) is to benefit from percutaneous transluminal renal angioplasty (PTRA) in terms of a sustained improvement in blood pressure control, one may postulate a demonstrable reduction in renal blood flow (RBF) to that kidney, reversible by PTRA. In a population of 32 hypertensive patients, RAS was present in 23 of 62 kidneys. Eleven of the 32 p...
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