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基于Noble心室肌细胞动作电位动力学模型的细胞电生理特性仿真研究
引用本文:张虹,杨琳,金印彬,张镇西,黄诒焯. 基于Noble心室肌细胞动作电位动力学模型的细胞电生理特性仿真研究[J]. 生物医学工程学杂志, 2006, 23(1): 6-10
作者姓名:张虹  杨琳  金印彬  张镇西  黄诒焯
作者单位:1. 西安交通大学,生命科学与技术学院,生物医学信息工程教育部重点实验室,西安,710049
2. 西安交通大学,第一医院,心内科,西安,710061
基金项目:中国科学院资助项目;西安交通大学校科研和教改项目
摘    要:基于Noble98哺乳动物心室肌细胞动作电位动力学模型,利用龙格一库塔法得到模型数值解。在此基础上,研究了文氏现象和心室肌细胞跨壁复极离散性、频率依赖性及其离子通道机制。结果显示,心肌细胞这些固有特性的存在可能导致心脏激动扩布中正常时空组织遭到破坏,成为致心律失常的潜在因素。本研究同时建立了利用Noble98模型进行定量细胞电生理研究的基本方法,为进一步利用该模型深入探讨心律失常生理机制奠定了重要基础。

关 键 词:心律失常  动作电位  离子通道电流  计算机仿真
收稿时间:2004-02-06
修稿时间:2004-02-062004-05-17

Study of Cellular Electrophysiology Based on Noble98 Dynamic Model of Ventricular Action Potential
Zhang Hong,Yang Lin,Jin Yinbin,Zhang Zhenxi,Huang Yizhuo. Study of Cellular Electrophysiology Based on Noble98 Dynamic Model of Ventricular Action Potential[J]. Journal of biomedical engineering, 2006, 23(1): 6-10
Authors:Zhang Hong  Yang Lin  Jin Yinbin  Zhang Zhenxi  Huang Yizhuo
Affiliation:The Key Laboratory of Biomedical Information Engineering of Ministry of Education of China, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China. maxr@263.net
Abstract:On the basis of mammalian ventricular action potential model Noble98, and with the use of RungeKutta for solution, the Wenckebach periodicity phenomenon, the transmural heterogeneity of the ventricular myocardium and its rate dependence are studied. The results indicate that these inherent properties may lead to temporal-space disorganized in the normal heart,and may become the underlying factors for arrhythmias. At the same time, in this study are established the basic methods for quantitative cellular electrophysiology which is essential for future studies on the mechanism of arrhythmia.
Keywords:Arrhythmia Action potential Ion channel current Computer simulation
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