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Int J Mol Sci ; 24(17)2023 Aug 27.
Artigo em Inglês | MEDLINE | ID: mdl-37686106

RESUMO

Acute coronary syndromes due to atherosclerotic coronary artery disease are a leading cause of morbidity and mortality worldwide. Intra-plaque hemorrhage (IPH), caused by disruption of intra-plaque leaky microvessels, is one of the major contributors of plaque progression, causing a sudden increase in plaque volume and eventually plaque destabilization. IPH and its healing processes are highly complex biological events that involve interactions between multiple types of cells in the plaque, including erythrocyte, macrophages, vascular endothelial cells and vascular smooth muscle cells. Recent investigations have unveiled detailed molecular mechanisms by which IPH leads the development of high-risk "vulnerable" plaque. Current advances in clinical diagnostic imaging modalities, such as magnetic resonance image and intra-coronary optical coherence tomography, increasingly allow us to identify IPH in vivo. To date, retrospective and prospective clinical trials have revealed the significance of IPH as detected by various imaging modalities as a reliable prognostic indicator of high-risk plaque. In this review article, we discuss recent advances in our understanding for the significance of IPH on the development of high-risk plaque from basic to clinical points of view.


Assuntos
Doença da Artéria Coronariana , Células Endoteliais , Humanos , Estudos Prospectivos , Estudos Retrospectivos , Doença da Artéria Coronariana/diagnóstico por imagem , Hemorragia/diagnóstico por imagem , Hemorragia/etiologia , Placa Amiloide
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