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  • Title: [Echocardiographic diagnosis of anomalous origin of left coronary artery].
    Author: Lorber A, Weiss D, Dembo L, Palant A.
    Journal: Harefuah; 1989 Jan 01; 116(1):43-4. PubMed ID: 2707664.
    Abstract:
    Cross sectional and M-mode echocardiography is a well-established noninvasive technique in the diagnosis of dilated cardiomyopathy and is essential in the evaluation of its severity and progress. However, in most cases of dilated cardiomyopathy in children, it does not provide data suggestive of the etiology of the disease. In the rare congenital malformation, anomalous origin of the left coronary artery from the pulmonary artery, the echocardiographic techniques may suggest the diagnosis when the left coronary artery cannot be demonstrated to arise from its usual site, the left coronary sinus (as visualized in the short axis of the aortic root). A firm diagnosis can be made if the anomalous origin of the left coronary artery is identified in a cross-sectional view of the main pulmonary artery (left parasternal long axis view of the main pulmonary artery, Fig. 1). This was demonstrated in a 9-year-old girl by coronary and aortic angiography (Fig. 2a, b). Anatomical confirmation was made during corrective surgery 3 months later. The origin of the left coronary artery was at the left posterior aspect of the main pulmonary artery, just proximal to its bifurcation. This is an unusual origin in this anomaly in which the coronary artery has been reported to arise close to the pulmonary valve, but not distal, as in this case.
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