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The effects of cardiac assist device on cardiac function recovery during left ventricular regional ischemia

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2 Author(s)
Xiaoqiang Zhou ; Dept. of Electr. Eng., Tsinghua Univ., Beijing, China ; Jing Bai

A two-compartment model of the left ventricle (LV) consists of normal myocardium and ischemic myocardium has been established and incorporated into the multi-element cardiovascular model developed based on Barnea's work (1990). In computer simulation, cardiac function (cardiac output as an indicator) recovery has been investigated under two conditions: with and without Intraaortic balloon pumping (IABP). The simulation results indicate that during serious ischemia, the normal myocardium has no ability to return the cardiac function to pre-ischemic level because of the limit of energy reserve in this region. However, when IABP is used, the energy reserve can be augmented and cardiac function can be restored

Published in:

Engineering in Medicine and Biology Society, 1995., IEEE 17th Annual Conference  (Volume:2 )

Date of Conference:

20-23 Sep 1995