A History of Kawasaki Disease From Childhood and Coronary Artery Ectasia With Recurrent ST Elevation Myocardial Infarction: A Therapeutic Challenge

Ashraf Abugroun, Daniel Vilchez, Osama Hallak, Anahita Shahrrava

Abstract


Coronary artery ectasia (CAE) is an uncommon anomaly, usually found in 1.2-2% of patients undergoing coronary angiography, defined as a segment of the coronary artery that has a diameter of more than 1.5 times the normal adjacent segments. Atherosclerosis is considered as the cause of half of the CAE cases. We herein present a 65-year-old Asian male with past medical history of Kawasaki disease (KD) who developed recurrent episodes of inferior wall ST-elevation myocardial infarction (STEMI) despite treatment with dual antiplatelet therapy (DAPT). Repeat coronary angiogram showed severely ectatic and tortuous coronary arteries more predominant on the right coronary artery (RCA) with diffuse thrombus in its mid segment. Given his unfavorable vascular anatomy, the condition was managed medically with the addition of warfarin to his DAPT with target international normalized ratio (INR) 2 - 3. This case highlights the association of CAE with a prior history of KD and its therapeutic challenge.




Cardiol Res. 2017;8(6):344-348
doi: https://doi.org/10.14740/cr641w


Keywords


Kawasaki disease; Coronary artery ectasia; Myocardial infarction

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