From Dilatation to Occlusion: A STEMI Case in Coronary Artery Ectasia
Aissam Elmejjati, Mohamed sersari, AHMADOU SOUMARE, PR NADIA FELLAT, PR ROKYA FELLAT
Asian Journal of Cardiology Research · pp. 630–636 · Published 27 Sep 2025
10.9734/ajcr/2025/v8i1321Abstract
Background: Coronary artery ectasia (CAE) is a rare dilation of the coronary arteries, with an incidence of 0.3%–5%. It is most often caused by atherosclerosis and may present with complications such as thrombotic occlusion and acute coronary syndromes (ACS). Case Summary: We report the case of a 51-year-old male smoker presenting with ST-segment elevation myocardial infarction (STEMI) due to thrombosis in an ectatic circumflex artery. Coronary angiography revealed type III CAE with diffuse ectasia and complete thrombotic occlusion of the circumflex artery. The patient was successfully managed with dual antiplatelet therapy, glycoprotein IIb/IIIa inhibitors, beta-blockers, ACE inhibitors, and high-intensity statins. He recovered without complications. Conclusion: CAE complicates coronary flow dynamics, increasing the risk of thrombotic occlusion. Management strategies include antiplatelets, anticoagulants, and risk factor modification. This case emphasizes the importance of coronary angiography in CAE diagnosis and highlights pharmacological strategies tailored to this condition.
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