Özet:

Variations in the coronary artery anatomyhave been described in a number of pathological, surgical, anatomical and angiographic studies. In case of coronary artery anatomic course variation, analyzing thecoronary artery angiographic findings properly is important for definition of the vessel peroperatorily and intervention to the vessel. However, there is not enoughknowledge about the presence or absence of arelationship between coronary artery and angle of left coronary artery branches. In this study, left coronaryartery images were examined by use of angiography on101 subject (58 men, 43 women) at Aeroflot. In each case, angles of the left coronary arterybranches and termination of the circumflex artery (Cx) and left anterior descending artery (LAD) were carefully measured. The left coronary artery, present in all cases,originated from the left aortic sinus. In all cases, its LADartery was present, between LAD and CX angles rangingfrom 32.87° to 146.90° (mean of 59.83°±19.74°), immales; from 32.05° to 125.25° (mean of 75.49°±25.44°)in females, respectively. There was no statistically significant differencebetween the dominance (P>0.05), between LAD and CXangles ranging from 32.21 to 146.9° (mean of 68.30°±24.56°), in right dominance; from 49.20° to130.43° (mean of 72.73°±23.44°) in left dominance, respectively. When we measured angiographic angles of the LAD and Cx branches of the left coronary artery and comparedgender differences, and dominance differences, it can benecessary to consider the angles of left coronary arterybranches in angiographic evaluations

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