Abstract
Coronary angioscopy or cardioscopy using biocompatible markers is one choice for evaluation of tissues, cells, or molecules which comprise the target lesions. Angioscopy using EB as a biomarker, namely, dye-staining angioscopy, has been developed and applied for molecular imaging of the substances that constitute atherosclerotic lesions.
By dye-staining angioscopy, coronary endothelial damage can be visualized. This technique could also provide discrimination of coronary fibrin from platelets and visualization of transparent fibrin thrombi, namely, a structure that was not visible by conventional angioscopy in patients with acute coronary syndrome (ACS). Fluffy coronary luminal surface without significant stenosis nor obstructive thrombus can be observed in patients with ACS.
Following percutaneous coronary intervention, this dye-staining angioscopy could detect damaged endothelial cells on coronary stent struts in chronic phase and evaluate characterization of band and web formation on the edges of coronary stents.
Dye-staining cardioscopy enabled visualization of blood flow through the subendocardial microvessels or myocardial tissue fluid flow. This technique is useful for evaluation of the effects of coronary interventions or angiogenic therapy on coronary microcirculation.
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Tomaru, T., Nakamura, F., Fujimori, Y., Uchida, Y. (2015). Dye-Staining Coronary Angioscopy and Cardioscopy. In: Mizuno, K., Takano, M. (eds) Coronary Angioscopy. Springer, Tokyo. https://doi.org/10.1007/978-4-431-55546-9_3
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DOI: https://doi.org/10.1007/978-4-431-55546-9_3
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