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(Circulation. 1959;20:816.)
© 1959 American Heart Association, Inc.

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Interarterial Coronary Anastomoses

Occurrence in Normal Hearts and in Certain Pathologic Conditions

BERTRAM PITT M.D.¹

¹ From The Department of Medicine, Professor H. Staub, Director, and the Pathological Institute, Professor A. Werthemann, Director, University of Basel, Switzerland.

It is generally recognized that interarterial coronary anastomoses of functionally significant size occur with great frequency in the presence of occlusive coronary artery disease and in other conditions such as anemia and cardiac hypertrophy in which myocardial anoxia may be present. Disagreement has been expressed by some investigators regarding the incidence of these anastomoses in normal and abnormal hearts. The problem has therefore been reinvestigated by means of a technic of infusion of saline solution and injection of wax spheres of known size. The results of these observations in 75 hearts are presented and their significance is discussed.

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