1. Incidence and characteristics of incomplete stent apposition in calcified lesions: An optical coherence tomography study

    Incidence and characteristics of incomplete stent apposition in calcified lesions: An optical coherence tomography study

    Background: Persistent or late acquired incomplete stent apposition (ISA) may be associated with late or very late stent thrombosis following drug-eluting stent implantation. Presence of calcium at the target lesion may increase the risk of ISA even after rotational atherectomy (RA) followed by stenting with high pressure balloon inflation. The aim of this study is to examine the incidence and characteristics of ISA in heavily calcified lesions. Methods: A total of 52 heavily calcified coronary artery lesions requiring RA plus stenting were selected and studied. After successful ablation followed by stent implantation, optical coherence tomography (OCT) was performed to assess ...

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