1. Coronary plaque response after drug eluting stent implantation assessed by serial optical coherence tomography analysis

    Coronary plaque response after drug eluting stent implantation assessed by serial optical coherence tomography analysis
    Background In general, percutaneous coronary intervention (PCI) relieves vessel stenosis by implantation of a stent, however, the relationship between plaque characteristics and response after stenting is not clear. Methods We enrolled 68 patients (68 vessels) with diagnosed unstable angina pectoris that prospectively underwent PCI and an optical coherence tomography (OCT) examination was done before and after stenting. Coronary plaques were classified as fibrous, lipid-rich and calcified plaque according to OCT examination, and fibrous cap thickness, lumen eccentricity, stent expansion, stent malapposition, tissue prolapse, thrombosis, dissection and stent symmetry were noted. Results The frequency of prolapse was higher in lipid-rich plaques ...
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