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January 1961

Profound Hypothermia and Complete Circulation InterruptionExperimental and Clinical Physiological Observations

Author Affiliations

From The Department of Surgery, Western Reserve University School of Medicine at Cleveland Metropolitan General Hospital.

Arch Surg. 1961;82(1):108-119. doi:10.1001/archsurg.1961.01300070112014

The use of hypothermia in conjunction with a pump-oxygenator combines the benefits derived from the reduction of the metabolic demands of the tissues with the ability adequately to perfuse the entire organism after the heart ceases to function at temperatures below 25 C. Not only is a further reduction in body temperature permissible, but rewarming of the body can be easily accomplished.

The practicality of this combination was demonstrated experimentally by Gollan7 with the survival of animals cooled to 10 C by perfusion of the entire organism with cold and subsequently warm blood when using an oxygenator. Peirce,21 in animals in which the body temperature was reduced to 25 C by internal cooling and external rewarming, showed that this moderate reduction in body temperature permitted a low-flow perfusion which could satisfactorily meet the tissue demands. By this work it was also demonstrated that a temperature gradient existed within

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