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Pattern of coronary artery dominancy by coronary angiography in Iraqi patients & the relationship with coronary artery disease

Authors: Hussein Ali Fakhir حسين علي فاخر --- Ahmed Neama Rgeeb احمد نعمة رجيب --- Mhammad Nori Gheni محمد نوري غني
Journal: Journal of College of Education مجلة كلية التربية ISSN: 18120380 Year: 2012 Issue: 3 Pages: 180-189
Publisher: Al-Mustansyriah University الجامعة المستنصرية


Background: Detailed knowledge of variations in coronary arterial distribution has been of great clinical importance in the medical and surgical management of patients with specific congenital or acquired cardiac disorders.The aim of this study is to define the pattern of dominant coronary artery in Iraqi population and the relationship of coronary artery dominancy with extent of coronary artery lesionsPatient and methods: 657 consecutive patients suffering from coronary artery disease submitted to coronary angiography in our center were collected (female=184, male=473, mean age 55±10) from January 2008 to December 2010.Results: the right coronary artery was dominant in 502(76, 4%) patients enrolled in this study while left circumflex artery was dominant in 83(12, 6%) & co-dominancy occurred in 72(10%) patients. However, no significant differences were detected regarding the type of coronary circulation in relation to sex and age. There was significant association between right dominant system & coronary occlusive disease particularly with 3 vessel disease (p value <0.000073) and also a significant association between right dominant system & right coronary occlusive lesion (p value=0.027).Conclusion: The prevalence of right, left, and co dominant coronary artery were similar to previous literatures & there was significant relationship between dominant right coronary system with coronary artery disease especially 3 vessels disease & right coronary occlusive lesion.


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