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Circulatory Dynamics

Norman L. Talpins, MD; David C. Kripke, MD; Robert H. Goetz, MD

AMA Arch Surg. 1968;97(6):991-999.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

THE MORTALITY of shock associated with myocardial infarction has been reported as between 24% and 93%¹ with averages in the range of 70% to 80%, depending upon criteria of diagnosis. Because of the failure of medicinal therapy including vasopressors to salvage the majority of such patients, recent emphasis has been placed on mechanical means for assisting the acutely failing heart. Of the available methods, cardiopulmonary bypass² invokes the need for major surgery and causes significant injury to the cellular components of blood. Venoarterial pumping does not increase central aortic pressure and coronary perfusion,³ nor does it reduce left ventricular work and may, in fact, increase it; its primary application is in right heart failure. Bypass of the left side of the heart without thoracotomy⁴ does reduce left atrial pressure and ventricular work, but significant injury to large vessels and cardiac chambers may result from the rigid . . . [Full Text PDF of this Article]

Author Affiliations
Bronx, NY

From the Department of Surgery, Albert Einstein College of Medicine, Bronx, NY.

Footnotes
Submitted for publication Aug 12, 1968.

Read before the 16th scientific meeting of the North American Chapter of the International Cardiovascular Society, San Francisco, June 15, 1968.

Reprint requests to Department of Surgery, Albert Einstein College of Medicine, 1300 Morris Park Ave, Room 705, Bronx, NY 10461 (Dr. Goetz).

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