1986
DOI: 10.1109/memb.1986.5006251
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Control Modes of a Clinical Ventricular Assist Device

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Cited by 33 publications
(16 citation statements)
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“…Similar methods were available in some first-generation, volume displacement VADs [41]. Potentially, the synchronization of a VAD to the cardiac cycle could be realized using pump-intrinsic signals only by extending the work presented in [42].…”
Section: Constant Speed Solutionmentioning
confidence: 99%
“…Similar methods were available in some first-generation, volume displacement VADs [41]. Potentially, the synchronization of a VAD to the cardiac cycle could be realized using pump-intrinsic signals only by extending the work presented in [42].…”
Section: Constant Speed Solutionmentioning
confidence: 99%
“…Usually, pulsatile VADs can be operated under three different control modes: fixed rate; fill-to-empty; and synchronous R wave counterpulsation (Farrar et al, 1986). In the fixed rate mode the duration of the VAD cycle (or the rate) and the fractional duration of ejection are specified, and they are not synchronized to the ECG signals.…”
Section: Introductionmentioning
confidence: 99%
“…Beside other advantages such as improved ventricular unloading, the pressure peak created by simultaneous blood ejection of pump, and ventricle could thereby be avoided. To synchronize the pVAD to the cardiac cycle, the ECG signal can be used as in . Without synchronization the interaction between the pVAD and CVS changes from beat to beat, which in turn can cause changing hemodynamics such as high‐pressure peaks in the aorta and the left ventricle, as well as an irregular unloading of the left ventricle and irregular openings of the aortic valve.…”
Section: Discussionmentioning
confidence: 99%