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Particle Based Blood Pressure Simulation in the Aorta with the Model Generated from CT Images

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Simulation and Modeling Methodologies, Technologies and Applications (SIMULTECH 2017)

Abstract

We have performed the blood pressure simulation in the aorta and the left ventricle with the model generated from CT (Computerized Tomography) data. There were some works related to the aorta; however, some simulations performed the aortic valve behavior with artificial models, and others investigated the blood flow only in the aorta with models generated from MRI (Magnetic Resonance Imaging) data. Then, we demonstrated the simulation of the blood flow and the pressure change in the aorta and the left ventricle with a model generated from CT data. In the simulation, as the blood flowed into the left ventricle through the mitral valve, the pressure in the left ventricle increased, and the aortic valve finally opened by the high pressure in the left ventricle. As the result of the simulation, we confirmed that the pressure change in the left ventricle was similar to a real data; however, the blood pressure in the aorta was lower than the real data. Therefore, in this paper, we demonstrate that the blood pressure change in the aorta becomes similar to the real data by setting some initial pressure in the aorta and forming a closed region of the aorta.

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Acknowledgements

We greatly appreciate Dr. Shuichiro Takanashi, who is a chief director of Sakakibara Heart Institute, for providing us the CT data and some useful advices. This work has also been supported by JSPS KAKENHI Grant Number 15K00176.

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Correspondence to Nobuhiko Mukai .

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Mukai, N., Aoyama, K., Natsume, T., Chang, Y. (2019). Particle Based Blood Pressure Simulation in the Aorta with the Model Generated from CT Images. In: Obaidat, M., Ören, T., Rango, F. (eds) Simulation and Modeling Methodologies, Technologies and Applications . SIMULTECH 2017. Advances in Intelligent Systems and Computing, vol 873. Springer, Cham. https://doi.org/10.1007/978-3-030-01470-4_6

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