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Computational Study of the Hemodynamics of Cerebral Aneurysm Initiation
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Author(s): Yuji Shimogonya (University of Hyogo, Japan), Takuji Ishikawa (Tohoku University, Japan), Takami Yamaguchi (Tohoku University, Japan), Hiroshige Kumamaru (University of Hyogo, Japan)and Kazuhiro Itoh (University of Hyogo, Japan)
Copyright: 2013
Pages: 11
Source title:
Technological Advancements in Biomedicine for Healthcare Applications
Source Author(s)/Editor(s): Jinglong Wu (Okayama University, Japan)
DOI: 10.4018/978-1-4666-2196-1.ch028
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Abstract
This chapter aims to present the authors’ recent findings from studies on the computational biomechanics of blood flow in human arteries and its application to the hemodynamics of cerebral aneurysm initiation. They first briefly outline the techniques of computational fluid dynamics used in blood flow simulations of anatomically realistic artery models reconstructed from medical images acquired with CT or MRI. Then, the time course of the blood flow velocity field in the medical image-based model of a human internal carotid artery (ICA) is shown as a result of a pulsatile blood flow simulation with CFD techniques. Finally, the chapter presents an overview of the concept of a novel hemodynamic indicator for cerebral aneurysm initiation, the gradient oscillatory number (GON). The distribution of the GON for the medical image-based ICA model is also demonstrated.
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