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ORIGINAL ARTICLE
Year : 2018  |  Volume : 6  |  Issue : 4  |  Page : 133-140

Study of clinical profile, incidence, pattern, and atherosclerotic involvement of congenital coronary artery anomalies in adults undergoing coronary angiography: A study from a tertiary care institute in western part of India


Department of Cardiology, TNMC and BYL Nair Ch. Hospital, Mumbai, Maharashtra, India

Correspondence Address:
Dr. Digvijay Deeliprao Nalawade
Department of Cardiology, 18-ICCU, Ground Floor, OPD Building, Nair Hospital, Mumbai Central, Mumbai - 400 008, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/heartindia.heartindia_33_18

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Objective: Congenital coronary artery anomalies (CCAs) are rare, clinically benign, and majority are diagnosed incidentally during coronary angiography or an autopsy. Identification of CCA is important for management by cardiologists or cardiac surgeons, and also few cases of CCA are potentially serious which may cause sudden cardiac death. We performed a retrospective, single-center study to evaluate the clinical profile, incidence, pattern, and atherosclerotic involvement of CCA in patients undergoing coronary angiography. Methods: Coronary angiographies performed in adult patients during the study period of 2 years were screened for CCA. These patients were retrospectively analyzed in terms of clinical characteristics and angiographic profiles. Results: Of 4481 angiograms screened, 86 patients were found to have CCA with the incidence of 1.91%. Nearly 76.7% were male and 23.3% were female, with a mean age of 53.02 ± 10 years. Anomalies of origin and course were most common (94.18%) followed by anomalies of termination (5.81%), with right coronary artery (RCA) being the most common artery. Anomalous origin of RCA from the left sinus of Valsalva and separate origin of left anterior descending artery and left circumflex artery were both found to be the most common types. The incidence of atherosclerosis in anomalous vessels was 52.32%. Conclusions: CCAs were diagnosed incidentally during coronary angiography and had male predominance with conventional risk factors. The incidence of CCA was slightly higher than that of the previous angiographic studies, but the pattern of anomalies was similar with majority being benign. Anomalous vessels did not predispose to atherosclerotic involvement as compared to normal vessels in the same patients.


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