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SYSTEMS ANALYSIS: MODELING OF PRESSURE PULSE WAVES IN BYPASS GRAFTING

机译:系统分析:旁路格栅中压力脉动波的建模

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We investigate the dynamics of a bypass in terms of determining the optimal parameters of shunt operation. The equations that describe the propagation of pressure pulse waves in blood vessels are presented in differential form and in approximate form for the averaged values based on the conservation laws. The correspondence of these forms is shown from the solution of the initial-boundary-value problem for vascular junction. The influence of the parameters such as various diameters, wall thicknesses, and elastic properties of blood vessels on the shunt effectiveness is investigated. In particular, we investigate the influence of the shunt form and junction area, as well as the angle of the shunt connection with the vessel, on the passage of the coronary vessels and blood coagulation. On the basis of the calculations, conclusions about the influence of various parameters on the dynamics of bypass are made.
机译:我们根据确定并联操作的最佳参数来研究旁路的动态特性。基于守恒定律,以微分形式和近似形式表示描述压力脉搏波在血管中传播的方程。这些形式的对应关系是从解决血管交界处的初始边界值问题中得出的。研究了各种直径,壁厚和血管弹性等参数对分流效率的影响。特别是,我们研究了分流形式和连接区域以及分流与血管的连接角度对冠状血管通过和凝血的影响。在计算的基础上,得出各种参数对旁路动力学影响的结论。

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