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Article
May 1979

The Myocardial Sinusoids?

Author Affiliations

From the Harvard Medical School (Professor of Surgery Emeritus), and Peter Bent Brigham Hospital (Surgeon Emeritus), Boston.

Arch Surg. 1979;114(5):634-635. doi:10.1001/archsurg.1979.01370290084018
Abstract

Twice in my professional life, the myocardial sinusoids have received prominence as agents of possible importance in the microcirculation of the myocardium. The first was during my medical school years, when Joseph Wearn, Professor of Medicine at the Case Western Reserve Medical School, Cleveland, published a series of articles suggesting that blood in the chambers of the left side of the heart might make a significant contribution to the myocardial circulation in the presence of main coronary occlusion. He proposed that this took place via the openings in the atrial and myocardial walls known as the veins of Vieussens and Thebesius. He made wax models of the myocardium that demonstrated the configuration of the passages leading from these openings. Finding that they communicated with small branches of the coronary arteries, he named them arterial-luminal and arterial-sinusoidal vessels.

Leary and Wearn1 observed two young patients who died with complete occlusions

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