Comput. Biol. Med. - Computational simulation of aortic aneurysm using FSI method: influence of blood viscosity on aneurismal dynamic behaviors.

Tópicos

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Resumo

It is well-established that blood viscosity plays a significant role in the determination of the health of the individual. It has been reported that many cardiovascular diseases are associated with blood viscosity. In this paper, the dynamic behaviors of aortic aneurysm subject to physiological blood flow with normal and high viscosities are presented. Fluid-structure interaction (FSI) method was used in the computational simulation. The influence of blood viscosity on flow dynamics within the aneurysm sac, aneurismal diameter, cross sectional shape, wall axial displacement and wall shear stress (WSS) was studied in detail. This investigation uncovered the correlations between blood viscosity and the dynamic behaviors of aortic aneurysm, which have rarely been found in existing literatures. We believe that these findings may provide important implications for individualized endovascular treatment for patient with aortic aneurysm.

Resumo Limpo

wellestablish blood viscos play signific role determin health individu report mani cardiovascular diseas associ blood viscos paper dynam behavior aortic aneurysm subject physiolog blood flow normal high viscos present fluidstructur interact fsi method use comput simul influenc blood viscos flow dynam within aneurysm sac aneurism diamet cross section shape wall axial displac wall shear stress wss studi detail investig uncov correl blood viscos dynam behavior aortic aneurysm rare found exist literatur believ find may provid import implic individu endovascular treatment patient aortic aneurysm

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