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Computational study of the wave propagation in three-dimensional human cardiac tissue
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  • Computational study of the wave propagation in three-dimensional human cardiac tissue
  • Computational study of the wave propagation in three-dimensional human cardiac tissue
저자명
Kwon. Soon-Sung,Im. Uk-Bin,Kim. Ki-Woong,Lee. Yong-Ho,Shim. Eun-Bo
간행물명
International Journal of Vascular Biomedical Engineering
권/호정보
2005년|3권 1호|pp.23-29 (7 pages)
발행정보
순환기의공학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

We developed a three dimensional cardiac tissue model based on human cardiac cell and mono-domain approximation for action potential propagation. The human myocyte model proposed by ten Tusscher et al. (TNNP model) (2004) for cell electrophysiology and a mono-domain method for electric wave propagation are used to simulate the cardiac tissue propagation mechanism using a finite element method. To delineate non-homogeneity across cardiac tissue layer, we used three types of cardiac cell models. Ansiotropic effect of action potential propagation is also considered in this study. In this 3D anisotropic cardiac tissue with three cell layers, we generated a reentrant wave using S1-S2 protocol. Computational results showed that the reentrant wave was affected by the anisotropic properties of the cells. To test the reentrant wave under pathological state, we simulated a hypertopic model with non-excitable fibroblasts in stochastic manner. Compared with normal tissue, the hypertropic tissue result showed another center of reentrant wave, indicating that the wave pattern can be more easily changed from regular with a concentric focus to irregular multi-focused reentrant waves in case of patients with hypertrophy.