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KMID : 0368120190490121115
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Korean Circulation Journal
2019 Volume.49 No. 12 p.1115 ~ p.1122
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Understanding Vulnerable Plaques: Current Status and Future Directions
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Lee Kwan-Yong
Chang Ki-Yuk
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Abstract
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The main cause of acute myocardial infarction is plaque rupture accompanied by superimposed coronary thrombosis. Thin-cap fibroatheromas (TCFAs) have been suggested as a type of lesion with a vulnerability that can cause plaque rupture. However, not only the existence of a TCFA but also the fine and complex interactions of other anatomical and hemodynamic factors, such as microcalcification in the fibrous cap, cholesterol crystal-induced inflammasome activation, the apoptosis of intraplaque macrophages, and endothelial shear stress distribution should precede a clinical event caused by plaque rupture. Recent studies are being conducted to identify these mechanisms through molecular imaging and hemodynamic assessment using computational fluid dynamics, which will result in better clinical results through selective coronary interventions.
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KEYWORD
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Atherosclerotic plaque, Fibroatheroma, Coronary atherosclerosis, Microcalcification
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