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KMID : 1161920230200030131
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Journal of Medicine and Life Science
2023 Volume.20 No. 3 p.131 ~ p.134
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Spontaneous resolution of new coronary artery aneurysm following guideline-directed medical therapy after drug-eluting stent implantation
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Lee Jae-Geun
Boo Ki-Yung
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Abstract
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Here, we present a case of a 56-year-old man with acute myocardial infarction. The patient underwent percutaneous coronary intervention (PCI) at the left main bifurcation and mid-left anterior descending artery using drugeluting stents. Four months after the PCI, the patient was readmitted for cardiac arrest. Coronary angiography (CAG) revealed stent thrombosis in the left main-toproximal left anterior descending artery and in-stent restenosis in the left main-toproximal left circumflex artery. We performed balloon angioplasty at the left main to mid-left anterior descending artery and left main to proximal left circumflex artery stents; subsequently, blood flow was fully restored. However, contrast agent extravasation was observed outside the mid-portion of the left main artery to the proximal left anterior descending artery stent, indicating the presence of a coronary artery aneurysm (CAA) outside the stent. After guideline-directed medical therapy with dual antiplatelet agents and high-intensity statins, follow-up CAG revealed near-resolution of the CAA, absence of stenotic lesions, and good blood flow.
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KEYWORD
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Aneurysm, Myocardial infarction, Percutaneous coronary intervention
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