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Year : 2017  |  Volume : 6  |  Issue : 4  |  Page : 133-136

Spontaneous coronary artery dissection: A retrospective analysis of 19,676 coronary angiograms

1 Department of Cardiology, Mysore Medical College and Research Institute, Mysore, Karnataka, India
2 Department of Cardiology, Sri Jayadeva Institute of Cardiovascular Sciences and Research, Bengaluru, Karnataka, India
3 Department of Cardiology, PSG Institute of Medical Sciences and Social Research, Coimbatore, Tamil Nadu, India

Correspondence Address:
Dinesha Basavanna
Department of Cardiology, Mysore Medical College and Research Institute, Mysore - 570 001, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JCPC.JCPC_15_17

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Aim: Spontaneous coronary artery dissection (SCAD) is a rare cause of angina, myocardial infarction (MI), and sudden cardiac death (SCD) and may frequently manifest as acute coronary syndrome (ACS). The diagnosis of SCAD relies on angiographic visualization of a radiolucent intimal flap. Therapeutic options include medical therapy, percutaneous coronary interventions, and bypass surgery. The aim of this study is to analyze the clinical profile, inhospital outcomes, management, and follow-up of patients with angiographic SCAD. Methods: About 19,676 diagnostic coronary angiograms (CAGs) were reviewed retrospectively during a 2-year period; 64 patients had SCAD and were included in the study. Complete medical histories before and during the event as well as treatment regimens were obtained from patients' hospital files. Results: A total of 64 cases of SCAD were considered for the study within an age range of 25–70 years. Fifty-eight patients presented with ACS, two patients presented with unstable angina, one patient presented with rheumatic mitral stenosis in atrial fibrillation, one patient presented with non-ST-elevation myocardial infarction, one patient with dilated cardiomyopathy with left ventricular dysfunction, and one patient with effort. Out of 64 patients, four patients died and the average hospital stay is 3–5 days. Conclusion: SCAD occurs in 0.32% of patients undergoing CAG for evaluation of coronary artery disease. Majority of SCAD occurs in men. The left coronary artery is most commonly affected. The inhospital outcomes are good. Most of the patients with SCAD have good prognosis following optimal medical therapy.

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