Results 291 to 300 of about 343,994 (332)

"Modified sandwich" technique in the surgery of acute type A aortic dissection. [PDF]

Egypt Heart J
Kong J, Liu T, Xi S, Li Z, Jin Z, Yang F, Zhu Z, Liu L.   +7 more
europepmc   +1 more source

Risk assessment of temporary pacing for cardiac arrest after cardiopulmonary bypass-assisted cardiovascular surgery: A case-control study. [PDF]

PLoS One
Wang H, Shen L, Lin Q, Yu H, Zhang Y, Zhang L, Sun Y, Xue S.   +7 more
europepmc   +1 more source

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Modeling and Optimization of Assisted Circulation

IEEE Transactions on Biomedical Engineering, 1984
Many methods of mechanical assistance to aid the failing heart have been, and are being, extensively investigated. The hemodynamic goals of the different methods being studied vary depending upon the specific patient problems, however, they all fit into three general categories: decreasing the work of the failing myocardium by reducing the load on the ...
Walter Wwekowitz, John K-J. Li
openaire   +3 more sources

Assisted Circulation by Counterpulsation.

Annals of Internal Medicine, 1963
Excerpt Counterpulsation permits aspiration of blood during the heart's systole and its return during diastole from a single cannula in the femoral artery.
Armand A. Lefemine, T. Piemme, Dwight E. Harken, D. K. Brief, S. Lunzer   +4 more
openaire   +2 more sources

Assisted circulation without systemic heparinization

Journal of Cardiothoracic and Vascular Anesthesia, 1994
The need for improvements in materials and equipment for extracorporeal circulation has been obvious for years. Among the surfaces with biologically active compounds, those with heparin binding have been found sufficiently thromboresistant and particularly suitable for different types of artificial perfusion.
Weiss, B M, von Segesser, L K, Turina, M I, Vetter, W, Seifert, Burkhardt, Pasch, T   +5 more
openaire   +3 more sources

Horizons in Assisted Circulation

1989
Research on the artificial heart was initiated about 30 years ago, many types of circulatory assist devices intended for different clinical applications have been developed and introduced. Although enthusiastically pursued by many investigators, the ultimate goal, a totally implantable permanent artificial heart, still requires many years of research ...
H. Emoto, L. K. Fujimoto, Y. Nosé
openaire   +4 more sources

Assisted Circulation: A Progress Report

Hospital Practice, 1971
Temporary circulatory assist devices now appear to hold more promise of clinical application than permanent, implanted artificial hearts. Two contrasting approaches to temporary assist are described: the bypass and the counterpulsation pump. The latter has developed into a completely external system through which coronary filling is enhanced and blood ...
William C. Birtwell, Harry S. Soroff
openaire   +2 more sources

Assisted Circulation Controlled by Electronic Computation

IEEE Transactions on Biomedical Engineering, 1965
Electronic digital and analog computer techniques have recently been utilized in a unique mathematical model design approach for a myocardial augmentation system. This system incorporates solid-state circuitry in a special purpose computer design for conversion of physiological input data to pump actuator commands which precisely withdraw arterial ...
M. G. Chesnut, D. H. Watkins, P. B. Callaghan   +2 more
openaire   +3 more sources