1. Intra-Stent Tissue Evaluation within Bare Metal and Drug-Eluting Stents > 3 Years since Implantation in Patients with Mild to Moderate Neointimal Proliferation Using Optical Coherence Tomography and Virtual Histology Intravascular Ultrasound

    Intra-Stent Tissue Evaluation within Bare Metal and Drug-Eluting Stents > 3 Years since Implantation in Patients with Mild to Moderate Neointimal Proliferation Using Optical Coherence Tomography and Virtual Histology Intravascular Ultrasound

    Objective: We aimed to compare neointimal tissue characteristics between bare-metal stents (BMS) and drug-eluting stents (DES) at long-term follow-up using optical coherence tomography (OCT) and virtual histology intravascular ultrasound (VH-IVUS). Background: Neoatherosclerosis in neointima has been reported in BMS and in DES. Methods: Thirty patients with 36 stented lesions [BMS (n = 17) or DES (n = 19)] > 3 years after implantation were prospectively enrolled. OCT and VH-IVUS were performed and analyzed independently. Stents with ≥ 70% diameter stenosis were excluded. Results: The median duration from implantation was 126.0 months in the BMS group and 60.0 months in the DES group ...

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