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In this work we have studied the simulation of blood flow in an ideal artery with stenosis because that is related to vascular disease. Stenosis is a localized narrowing of the artery typically caused by atherosclerosis. The formation of atherosclerotic plaques in coronary arteries depends, among other variables, on the hemodynamics of the arterial system. In this work, we have performed a series...
Wall shear stress (WSS) has been investigated as a potential prospective marker to identify rapidly progressing coronary artery disease (CAD) and potential for lesions to acquire vulnerable characteristics. Previous investigations, however, are limited by a lack of understanding of the focal association between WSS and CAD progression (i.e., data are notably spatially averaged). Thus, the aim of this...
In several clinical and experimental circumstances, it is widely necessary to characterize the bio-mechanical changes induced by atherosclerosis to the arterial wall. In this context, the purpose of this paper is twofold. Firstly, to propose a low cost ultrasound setup to improve artery radii determination in elasticity experiments, based on two transducers using a single channel ultrasound hardware...
Fluid shear stress is intimately involved in vascular oxidative stress and atherosclerosis. Oxidative stress induces molecular signaling that regulates the development of vascular calcification. The explants of New Zealand White (NZW) rabbit aortas were used to assess vascular oxidative stress in non-obstructive, albeit inflammatory, lesions. The development of micro-electro-mechanical systems (MEMS)...
The vascular geometry may play an important role in the development of atherosclerosis by modulating the local hemodynamics and mechanical stresses of the vessel wall. The mouse is now the most popular animal model to study cardiovascular disease. Here, we present a method to characterize the 3-D geometry of mouse aortic arches by casting and light stereo-microscopic imaging. After calibration of...
The vascular geometry may play an important role in the development of atherosclerosis by modulating the local hemodynamics and mechanical stresses of the vessel wall. The mouse is now the most popular animal model to study cardiovascular disease. Here, we present a method to characterize the 3-D geometry of mouse aortic arches by casting and light stereo-microscopic imaging. After calibration of...
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