1. Mechanism of luminal patency of the self-expanding sideguard sidebranch stent: Evaluation by intravascular ultrasound and optical coherence tomography

    Mechanism of luminal patency of the self-expanding sideguard sidebranch stent: Evaluation by intravascular ultrasound and optical coherence tomography

    Background : The Cappella Sideguard (CS) sidebranch stent is a self-expanding, thin-strut, nitinol device with anatomic flaring at the sidebranch ostium designed to treat bifurcation lesions. Objective : To evaluate the mechanism of long-term lumen patency of the novel, self-expanding CS sidebranch stent compared to a balloon-expandable stent in the main vessel. Methods : We performed intravascular ultrasound (IVUS) post-intervention and at follow-up in 24 CS stents and in 28 balloon-expandable drug-eluting stents deployed in the corresponding main vessel. Thirteen patients also had optical coherence tomography (OCT) at follow-up to evaluate neointimal hyperplasia and strut coverage. Results : CS stent area at the sidebranch ...

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