Development of three-dimensional analysis of blood vessel and blood flow for diagnosis of cardiovascular diseases

In recent years, studies have been conducted to extract three-dimensional images of blood vessels and analyze the blood flow using CFD (Computational Fluid Dynamics) to support the diagnosis and treatment of cardiovascular diseases. However, this method has a problem that the calculation time is long and the stress in the blood vessel wall cannot be calculated because the blood vessel wall is regarded as a rigid body, and the pulse wave analysis cannot be performed accurately. The purpose of this study is to develop an analytical model that can calculate stress in blood vessel wall in a short time. In this paper, the vibration of the blood vessel wall was modeled by the finite element method, and the blood flow analysis was modeled by the one-dimensional difference method, and a coupled model of the blood vessel wall and the blood flow was developed.-