1. Severe acute stent malapposition follow-up: 3-month and 12-month serial quantitative analyses by optical coherence tomography

    Severe acute stent malapposition follow-up: 3-month and 12-month serial quantitative analyses by optical coherence tomography

    Background Optical coherence tomography (OCT) was used to assess serial changes in severe acute stent malapposition (ASM) after drug-eluting stent (DES) implantation. Methods The maximal depth and axial lengths of ASM after DES implantation were serially quantified at percutaneous coronary intervention (PCI), and at 3 and 12-month follow-up, for 100 lesions in 96 patients. Severe ASM was defined as a maximal malapposed depth ≥400 μm or maximal malapposed axial length ≥1 mm. Results Of the 100 lesions, 23 lesions (23%) had a severe ASM depth at PCI. At 3 months, the maximal depth decreased to <400 μm in 12 of ...

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