Journal of Biomedical Engineering Research (대한의용생체공학회:의공학회지)

The Korean Society of Medical and Biological Engineering (대한의용생체공학회)
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Estimation of Cardiac Pumping Performance according to the Ventricular Electrical Activation Time Distribution by Using Physiome Model

피지옴 모델을 이용한 심실의 전기활성시간 분포에 따른 심박출 성능평가

  • Kim, Hyeong-Gyun (Department of Radiological Science, Far East University) ;
  • Lim, Ki Moo (Department of Medical IT Convergence Engineering, Kumoh National Institute of Technology)
  • 김형균 (방사선학과, 극동대학교) ;
  • 임기무 (메디컬it융합공학과, 금오공과대학교)
  • Received : 2015.08.27
  • Accepted : 2015.10.15
  • Published : 2015.10.31
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Abstract

The purpose of the study is to examine the effects of pacemaker location on cardiac pumping efficacy theoretically. We used a three-dimensional finite element cardiac electromechanical model of canine ventricles with models of the circulatory system. Electrical activation time for normal sinus rhythm and artificial pacing in apex, left ventricular free wall, and right ventricular free wall were obtained from electrophysiological model. We applied the electrical activation time maps to the mechanical contraction model and obtained cardiac mechanical responses such as myocardial contractile ATP consumption, stroke work, stroke volume, ejection fraction, and etc. Among three artificial pacing methods, left ventricle pacing showed best performance in ventricular pumping efficacy.

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References

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