1. Treatment of In-Stent Restenosis With Bioresorbable Vascular Scaffolds: Optical Coherence Tomography Insights

    Treatment of In-Stent Restenosis With Bioresorbable Vascular Scaffolds: Optical Coherence Tomography Insights

    The role of bioresorbable vascular scaffolds (BVS) in patients with in-stent restenosis (ISR) remains unsettled. We present optical coherence tomography (OCT) findings in a series of 15 consecutive patients undergoing treatment of ISR with BVS under systematic OCT guidance. OCT disclosed severe ISR in all patients (minimal lumen area (MLA) 1.3±0.6 mm 2 ; stent obstruction 80±10%). After the procedure OCT MLA was 6.4±2 mm 2 with a final BVS expansion of 79±19%. “ Angiographically silent” edge-dissections (n=6), intra-device-dissections (n=3), tissue prolapse (n=3) and malapposition (n=3) were also readily visualized. These ...

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