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IP Indian Journal of Anatomy and Surgery of Head, Neck and Brain

A study of coronary ostia in north Karnataka region

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Author Details: Pratik Khona, Deepali U Kulkarni

Volume : 3

Issue : 4

Online ISSN : 2581-5229

Print ISSN : 2581-5210

Article First Page : 97

Article End Page : 100


Introduction: The knowledge of origin of coronary arteries from respective sinuses and their variations are of supreme importance for interventional cardiologists. Previously there have been reports of variations in coronary ostia in number, origin and position of sinuses, hence this study was undertaken to get more insight on the same in North Karnataka region.
Materials and Methods: 100 adult heart specimens were collected from routine under graduate and post graduate dissection at Belgaum Institute of Medical Sciences, Belagavi. The position and location of coronary ostia in relation to Sino tubular junction were noted. Photographs of variations were taken wherever necessary and results were compared with previous studies.
Results: Out of 100 specimens studied in all the 100 (100 %) specimens the coronary ostia were two in number, one for right coronary artery arising from right anterior aortic sinus and another for left coronary artery arising from left posterior aortic sinus. The coronary ostia were present either below or at the Sino tubular junction in 96 (96 %) specimens and in 4 specimens (4 %) it was present above the Sino tubular junction. The importance of these findings is discussed in detail.
Conclusion: The knowledge of normal anatomy and variations of coronary ostia will help interventional cardiologist, cardio-thoracic surgeons and radiologist of North Karnataka region in proper management of patients with variations during procedures where artificial myocardial perfusion is necessary.

Keywords: Coronary Ostia, Sino tubular junction, Coronary angiography, CABG