Coronary artery anomalies remain a poorly understood topic in modern cardiology. The most important issue is the origin of the left coronary artery or the left anterior descending artery from the opposite aortic sinus, frequently associated with sudden cardiac death. We report our experience concerning the evaluation of these anomalies. From 15 April 1997 to 1 December 2004, we performed 13.407 coronary angiographies and found eight patients with these anomalies. In seven patients the coronary angiography was sufficient for the ultimate decision. However, in one case was the angiographic signs contradictory and the optimal imaging of the coronary tree was received by the multi-slice spiral computer tomography. We consider the coronary angiography a sufficient method of evaluation in most of the patients with the coronary artery anomalies, but the 'gold standard' is 3-dimensional examination by the multi-slice computer tomography or the magnetic resonance. The computer tomography is the method of the choice to distinguish interarterial, intraseptal and prepulmonary course of the left coronary artery originating from the right aortic sinus.

Department of Cardiology University Hospital Motol Prague Czech Republic

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