ANATOMICAL STUDY OF CORONARY OSTIA IN CADAVERIC HUMAN HEART
Journal Title: GJRA-Global Journal For Research Analysis - Year 2018, Vol 7, Issue 3
Abstract
The right and left coronary artery arises from the anterior and left posterior sinus of Valsalva respectively. Aortic root is an important area for various interventional diagnostic and surgical procedures for cardiologist and radiologist which comprises of the bulbar aortic sinus and the proximal ascending aorta. 50 cadaveric human heart specimens (25 male and 25 female) were used by dissection method. It has been observed that the mean diameter of left coronary ostium is more than that of right coronary ostium. The mean diameter of left coronary ostium in male is 4.37mm ± 0.84 and in female it is 4.16mm ± 0.67. On the contrary, in case of right coronary ostium the mean diameter were 3.04mm ± 0.76 and 3.14mm ± 0.70 in male and female respectively. In 18% specimens multiple openings were observed in anterior aortic sinus. However, in 4% specimen anterior aortic sinus with no openings were also observed. Multiple openings were also seen in left posterior aortic sinus in 4% specimen. No openings were observed in the pulmonary sinuses and the right posterior aortic sinus. Knowledge of the level of ostia is very important to avoid difficulties during various diagnostic and surgical procedures, hence, to extract extra information regarding these issues, study was also extended to observe the level of ostia; and in this study right coronary ostium was found below Supravalvular Ridge (SVR) in 78% specimen, at SVR in 10% specimen and above SVR in 12% specimen. The left coronary ostium was found below SVR in 68% cases, at SVR in 16% cases and above SVR in 16% cases.
Authors and Affiliations
Dr. Ranjana Agrawal
Keywords
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