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CT angiographic determination of most frequent anatomic variations of coronary arteries in Erbil population

Authors: Zana Mustafa Mahmood --- Nasih Mohsin Ahmed --- Nali Abdulkader Maaruf
Journal: Zanco Journal of Medical Sciences مجلة زانكو للعلوم الطبية ISSN: 19955588/19955596 Year: 2019 Volume: 23 Issue: 1 Pages: 19-27
Publisher: Hawler Medical Univeristy جامعة هولير الطبية


Background and objective: Computed tomography angiography is one of the best methods for knowing the detailed anatomy of coronary arteries and can successfully detect any variation of coronary arteries. Anatomic variations of coronary arteries have not been studied among Erbil population which is mostly inhabited by Kurds. This study was conducted to compare the incidence of the anatomic variations of coronary arteries in Erbil population with international standards.Methods: Variations of coronary arteries were retrospectively studied by using computed tomography angiography of 412 cases (214 males 198 females) with mean age 51.5 ± 13.5 years (mean ± SD) who underwent this procedure on suspicion of coronary artery disease. The main indication was chest pain in patients with low to intermediate probability of ischemic heart disease. The present study was carried out in the Department of Radiology, Surgical Specialty Hospital/Cardiac Center in Erbil city. Results: The right coronary artery was dominant in 86.4% of cases, while the left main coronary artery was dominant in 10.92% of cases. Co-dominance was observed in 2.67% of cases, and Double Ostia of right aortic sinus was observed in 25% of cases. Long left main coronary artery was observed in 10.68 % of cases. Myocardial bridging was observed in 7.04% of cases. Other variations were also observed, and their prevalence was recorded.Conclusion: Variations of coronary arteries among Erbil population were recorded and were near to the international standards.

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