Comparison of scanning electron microscopy and optical coherence tomography (OCT) for imaging of coronary bifurcation stents
Background: Optical coherence tomography (OCT) is a new intracoronary imaging modality that has excellent resolution and image quality and has been used to image neointimal coverage after stent implantation. OCT has been compared to histologic, intravascular ultrasound, and scanning electron microscopy (SEM) studies. However, OCT has not been compared with SEM for imaging stent coverage over side branches. Objective: The aim of this study was to compare OCT with scanning electron microscopy (SEM) in imaging neointimal coverage over stent struts bridging coronary side-branch ostia. Methods: Using a balloon-overstretch in-stent restenosis model, we deployed 38 everolimus-eluting stents across coronary bifurcations in ...
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