1. High-Resolution Optical and Angiographic CT Imaging of Flow-Diverter Stents for Assessment of Vessel Wall Apposition

    High-Resolution Optical and Angiographic CT Imaging of Flow-Diverter Stents for Assessment of Vessel Wall Apposition

    Introduction Intracranial placement of flow-diverter (FD) stents provides a safe and effective treatment for aneurysms. 1 However, long-term angiographic follow-up is indicated, since in-stent stenosis and late thrombosis as a consequence of poor vessel wall apposition increase the risks of stroke-related complications. 1,2 In addition to conventional angiography, high-resolution contrast-enhanced cone-beam CT (VasoCT) may provide improved three-dimensional visualization of stent deployment and apposition. 2,3 Here we explored the use of VasoCT for the assessment of FD vessel wall apposition in comparison to concurrent optical coherence tomography (OCT) endoscopy. Catheter-based OCT delivers near-infrared images at a spatial resolution in ...

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