Modeling and Simulation of Artery Occlusion for Early Detection of Carotid Atherosclerosis

In order to better realize the early detection of carotid atherosclerosis, a model of bifurcated carotid artery is designed and built in this paper. The structure of bifurcated carotid artery was constructed in COMSOL finite element analysis software, including the blood flow, the arterial wall and the arterial occlusion. The study assumes that the blood flow is laminar, non-newton, viscous and compressible and the arterial wall is elastic. Parameters of blood vessel, blood flow and arterial occlusion were assigned to the materials of geometry for simulation. The velocity of blood flow and the pressure of the blocked area and bifurcation are analyzed in condition of the different sizes of vascular stenosis. The result showed that the increase of the arterial occlusion leads to an exponential increase of the pressure of the blocked area and bifurcation, which may lead to the imminent ischemic cerebrovascular accident.