1. Morphologic characteristics of late stent malapposition after drug-eluting stents implantation by optical coherence tomography follow-up

    Morphologic characteristics of late stent malapposition after drug-eluting stents implantation by optical coherence tomography follow-up

    Background Late stent malapposition was frequently observed after DES implantation, which has been associated with the occurrence of late stent thrombosis due to poor neointimal coverage. This study was designed to evaluate the frequency of late stent malapposition at least 1 year after different DESs implantation by optical coherence tomography (OCT).Methods Angiographic and OCT examinations were given to 68 patients who had received total 126 various DESs implantation for at least 1 year to detect late stent malapposition. Malapposed strut distance (MSD), malapposed strut area (MSA), reference lumen area (RLA) and reference stent area (RSA) were checked with off-line ...

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