Key result
A proposed control system for rotary ventricular assist devices successfully maintained cardiac output and mean arterial pressure while avoiding suction in simulated physiological conditions.
Population
Lumped parameter model of the circulatory system coupled with a left ventricular assist device under various…
Design
Preclinical
Authors
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Should not change LVAD practice; hypothesis-generating for suction-avoidance control pending in vivo validation.
A novel fuzzy logic control system based on suction detection successfully maintained physiological hemodynamics and prevented suction in a simulated LVAD model.
Ferreira et al. (2008) studied Ventricular suction in rotary ventricular assist devices. Control system comprising a suction detector and a fuzzy logic controller (FLC) was evaluated on Maintenance of cardiac output and mean arterial pressure within acceptable physiologic ranges while avoiding suction. A proposed control system for rotary ventricular assist devices successfully maintained cardiac output and mean arterial pressure while avoiding suction in simulated physiological conditions.
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