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Article
November 1975

Experimental Evaluation of Coronary Infusates in Dogs

Author Affiliations

From the Department of Surgery, Veterans Administration Hospital and the University of Mississippi Medical Center, Jackson.

Arch Surg. 1975;110(11):1374-1382. doi:10.1001/archsurg.1975.01360170114017
Abstract

• In a study involving dogs, a coronary infusate containing a variety of substances including cardiac substrates, metabolic inhibitors, membrane stabilizers, electrolytes, and anticoagulants was evaluated in terms of protection afforded to the myocardium for up to 90 minutes of normothermic anoxic arrest. Electron microscopical studies and tissue adenosine triphosphate measurements revealed this coronary infusate to be considerably beneficial to the myocardium. Infused myocardium was better preserved compared to myocardium that was not infused or infused with two other "control" infusates. The individual components of our infusate are known cardiac preservatives. The rationale for combining a number of them in our infusate is to produce an additive or synergetic effect through beneficial intervention at several points in the cardiac metabolic cycle. This objective appears to have been fulfilled under the conditions of the present experiment.

(Arch Surg 110:1374-1382, 1975)

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