ANOMALOUS ORIGIN OF LEFT CORONARY-ARTERY FROM PULMONARY-ARTERY IN ASSOCIATION WITH INTRA-CARDIAC LESIONS - REPORT OF 2 CASES

  • 1 January 1979
    • journal article
    • research article
    • Vol. 78  (1) , 12-20
Abstract
Two cases illustrate diagnostic and therapeutic problems encountered when an anomalous origin of the left coronary artery from the pulmonary artery occurs with a hemodynamically significant intracardiac lesion. Hemodynamic alterations resulting from the associated intracardiac lesion may obscure the coronary arterial abnormality and the appearance of normal coronary arterial distribution on left ventricular or aortic root angiography may suggest a normal origin of the coronary arterial supply. An anomalous origin of the left coronary artery from the pulmonary artery associated with an intracardiac lesion may only be suspected. Intracardiac lesions associated with coronary arterial abnormalities and anomalous coronary supply are implied by the presence of poor left ventricular function or mitral insufficiency after operation (unexplainable by other causes), by myocardial dysfunction during cardiac catheterization or anesthesia, or by significant enlargement of a coronary atery on left ventriculography or supravalvular aortography.

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