MECHANICAL DEVICES TO ASSIST THE FAILING HEART.
NATIONAL ACADEMY OF SCIENCES-NATIONAL RESEARCH COUNCIL WASHINGTON DC COMMITTEE ON TRAUMA
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Contents Physiology of assisted circulation Physiology of prolonged oxygenation Quantitation of effectiveness of cardiac assistance Physiologic problems in prolonged pumping Pulsatile versus nonpulsatile pumping Some biological effects of pumping blood Finger pumps Roller pumps Tube-compression pumps Air-motor pulsatile-flow pump Diaphragm pumps Support of the right side of the heart Further observations on veno-venous perfusion Veno-Arterial assisted circulation without oxygenation Veno-arterial pumping with oxygenation to support the failing heart Arterio-arterial perfusion with oxygenationLeft-heart bypass Left-heart bypass using an implantable blood pump Physiology and rationale of counterpulsation External counterpulsation as a means to reduce the work of the left ventricle Augmentation and counterpulsation by external body compression Counterpulsation Synchronous external circulatory assistance.
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