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Effectiveness of cardiac assistance evaluated by computer simulation

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3 Author(s)
Paolini, F. ; Dept. of Electron., Inf. & Syst., Bologna Univ., Italy ; Avanzolini, G. ; Capello, A.

The effectiveness of left ventricular assist devices (LVAD) is investigated by using a pulsatile digital simulator of a cardiovascular/LVAD system, which takes advantage of a computer-aided design of control systems (CADCS) package. The simulation experiments show that, in case of reduced contractility of the natural left ventricle (LV), the insertion of a LVAD substantially increases the perfusion/energy-consumption ratio. In particular, myocardial perfusion and myocardial energy consumption are strongly influenced by the LVAD-LV delay and they reach optimal values when the LVAD works in counterpulsation.<>

Published in:

Engineering in Medicine and Biology Society, 1988. Proceedings of the Annual International Conference of the IEEE

Date of Conference:

4-7 Nov. 1988

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