1. OCT-Verified Peri-Strut Low-Intensity Areas and the Extent of Neointimal Formation After 3 Years Following Stent Implantation

    OCT-Verified Peri-Strut Low-Intensity Areas and the Extent of Neointimal Formation After 3 Years Following Stent Implantation

    Drug eluting stents (DES) have decreased substantially the neointimal formation after percutaneous coronary intervention (PCI). However, DES are not free from neointimal hyperplasia (NIH) and stent thrombosis, which are related to the delayed arterial healing following DES implantation. The recently introduced optical coherence tomography (OCT) enables a detailed investigation of vessel healing. The presence of peri-strut low intensity (PLI) has been described as a potential marker of abnormal neointimal healing (( 1 ), 2 ). We investigated the late healing characteristics of stents implanted over 3 years, specifically the potential impact of PLI on NIH and restenosis.

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