Open Access

ABSTRACT

Vascular Stress Analysis During in Vivo Intravascular Optical Coherence Tomography Imaging

Junjie Jia¹, Cuiru Sun^1,*

1 Department of Mechanical Engineering, Tianjin University, Tianjin, 300350, China.
* Corresponding Author: Cuiru Sun. Email: carry_sun @ tju.edu.cn.

Molecular & Cellular Biomechanics 2019, 16(Suppl.1), 61-64. https://doi.org/10.32604/mcb.2019.05736

Abstract

Intravascular optical coherence tomography (IVOCT) has been employed to clinical coronary imaging for several years. But the influence of flushing and OCT catheter to the blood vessel biomechanical properties have not been studied. In this paper, IVOCT imaging is integrated with the fluid-structure interaction (FSI) simulation to study the blood flow velocity and the stress distribution of a porcine carotid artery during IVOCT imaging. 3D geometric model is built based on the in vivo OCT images, and a hyperelastic model is employed for the material properties of the vascular wall. The blood flow profile and wall stress distributions under various imaging condition are obtained. This study is helpful for the biomechanical property studies of blood vessels and the clinical treatment of vascular diseases.

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