Footprint of EluNIR-PERL stent as visualized by optical coherence tomography: A case report

Drug-eluting stents have become the foundation of percutaneous coronary intervention (PCI), and advances in intravascular imaging have enabled more precise evaluation of stent expansion, apposition, and coverage. The EluNIR-PERL Ridaforolimus-eluting cobalt–chromium stent represents a new-generation device that combines ultrathin struts with a dual-cell configuration, and platinum–iridium radiopaque markers at both stent ends. The radiopaque markers produce distinct optical coherence tomography (OCT) signatures. We describe this unique feature of the stent in an adult male who had undergone successful PCI of the proximal right coronary artery with OCT optimisation. The stent markers appeared as bright, elongated, linear signals with backscatter on OCT imaging, corresponding precisely to angiographic landmarks.