Neointimal Tissue Healing Patterns After Paclitaxel-Eluting Balloon Treatment of In-Stent Restenosis: Optical Coherence Tomography and Intravascular Ultrasound Insights
An 80-year-old patient presented with severe in-stent restenosis of an everolimus-eluting stent implanted in the left anterior descending coronary artery 3 years previously. We obtained good angiographic result after paclitaxel-eluting balloon dilation. However, on optical coherence tomography (OCT), multiple, angiographically silent, in-stent, and edge-related dissections were readily recognized. Intravascular ultrasound (IVUS) revealed residual neointima with minor disruptions. At 9-month follow-up, an excellent angiogiographic result was demonstrated with complete resolution of the stent-related dissections on OCT. IVUS and OCT confirmed complete neointimal healing with a larger lumen. This case illustrates the value of OCT and IVUS to provide unique insights on ...
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