Results 231 to 240 of about 122,233 (271)

Aspirin and Hemocompatibility After LVAD Implantation in Patients With Atherosclerotic Vascular Disease: A Secondary Analysis From the ARIES-HM3 Randomized Clinical Trial.

JAMA Cardiol
Gustafsson F, Uriel N, Netuka I, Katz JN, Pagani FD, Connors JM, Jorde UP, Zimpfer D, Pya Y, Conway J, Anyanwu A, Scandroglio AM, Sulemanjee N, Atluri P, Keebler M, Selzman CH, Alexis JD, Hayward C, Henderson J, Dirckx N, Gazzola C, Mehra MR, ARIES Investigators.   +22 more
europepmc   +1 more source

Clinical and cost-effectiveness of left ventricular assist devices as destination therapy for advanced heart failure: systematic review and economic evaluation.

Health Technol Assess
Beese S, Avşar TS, Price M, Quinn D, Lim HS, Dretzke J, Ogwulu CO, Barton P, Jackson L, Moore D.   +9 more
europepmc   +1 more source

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Control of heart assist devices

42nd IEEE International Conference on Decision and Control (IEEE Cat. No.03CH37475), 2004
In this paper, we discuss several control techniques for Ventricular Assist Devices (VADs) and describe a hierarchical control structure that can be used to regulate the operation of a turbo-hydrodynamic VAD. Early assist devices were pulsatile, and control usually focused on regulating flow, atrial and/or arterial pressures.
James F. Antaki, J.R. Boston, Marwan A. Simaan   +2 more
openaire   +2 more sources

The Design of a Piezoelectric Heart Assist Device

IEEE Transactions on Biomedical Engineering, 1975
A piezoelectric heart assist device was designed, and preliminary tests were performed in vitro and in vivo. The device has the advantages of simple construction, low power consumption (approximately one watt), electrical rather than pneumatic drive, and noiseless operation.
Walter Welkowitz, Dov Jaron, Donald A. Molony, Maryon J. Williams, Adrian Kantrowitz, Sylvan Fich   +5 more
openaire   +3 more sources

Experience with the Berlin Heart Assist Device

Artificial Organs, 1994
Abstract: Different mechanical circulatory support systems (MCSS) have been in clinical use since 1987 to keep patients alive by assisting the heart during cardiac recovery after open heart surgery, myocardial infarction, acute graft failure after heart transplantation, or as a bridge to transplantation in heart transplant candidates.
Dietmar Ries, Andreas Goullon
openaire   +3 more sources

Heart assist devices: Modeling and diagnostics

2nd Middle East Conference on Biomedical Engineering, 2014
In this paper, adaptive stead-state models are presented for axial flow-pumps used as heart assist devices. These models predict flow rate and power consumption of the pump based on the pressure differential (head) and impeller speed. The developed models are identified using system identification techniques on data obtained from a mock circulatory ...
Karolos M. Grigoriadis, Cedric Benkowski, Matthew A. Franchek, Taoufik Wassar, Mehmet C. Kadipasaoglu, Steven M. Parnis   +5 more
openaire   +2 more sources

Control of rotary heart assist devices

Proceedings of the 2000 American Control Conference. ACC (IEEE Cat. No.00CH36334), 2000
Rotary assist devices are state of the art blood pumps that are used in therapies to treat weak hearts, usually associated with myocardial diseases. We develop three indices to detect the occurrence of suction in these pumps: pulsatility index, diminishing returns index and harmonic index.
James F. Antaki, Dehou Liu, Marwan A. Simaan, L.A. Baloa, J.R. Boston   +4 more
openaire   +2 more sources

Control of an extracorporeal heart assist device

2012 IEEE International Conference on Control Applications, 2012
Heart assist devices provide mechanical circulatory support for patients with end-stage heart failure. Extracorporeal blood pumps are applied to adult and pediatric patients in the case of uni- and biventricular assistance. Modern driving units provide more mobility what is an immense benefit to the quality of life of the patients.
Olaf Simanski, Andreas Dr. Arndt, Alexander Sievert, Constantin Wiesener, Wolfgang Drewelow   +4 more
openaire   +2 more sources