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BANNING G. LARY, MD

AMA Arch Surg. 1963;87(3):424-427.

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

Surgical attempts to correct coronary insufficiency by increasing the blood flow to the myocardium have been directed toward supply from extracardiac sources or reconstruction of the coronary arteries.¹ That a rich plexus of intramyocardial blood vessel anastomoses between the branches of the coronary arteries and the myocardial cavities exist is known.^2,3 Cases have been reported where obstruction of both coronary arteries has apparently been compatible with life,'⁴ and it is speculated that part or all of the myocardial nourishment was supplied by intramyocardial vessels communicating with the heart cavities. It is known that these communications are the source of myocardial blood supply in certain lower animals. Experiments were devised in an attempt to increase the blood flow to the myocardium directly from the left ventricular cavity.

Method

Twenty-six mongrel dogs weighing between 8 and 15 kg were anesthetized with 25 mg/kg pentobarbital sodium (Nembutal) intravenously, and the . . . [Full Text PDF of this Article]

Author Affiliations
MIAMI

Department of Surgery, University of Miami, School of Medicine.

Footnotes
Submitted for publication Jan 9, 1963.

Supported in part by grants from the United States Public Health Service (H-3651), and the Heart Association of Greater Miami.

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