Rofo 2019; 191(S 01): S61
DOI: 10.1055/s-0037-1682181
Vortrag (Wissenschaft)
Neuroradiologie
Georg Thieme Verlag KG Stuttgart · New York

Initial Clinical Study of the New CGuard™ MicroNet® covered Carotid-Stent: One Size Fits All Abstracts

C Wissgott
1   Westkuestenkliniken Heide – Academic Teaching Hospital of the Universities of Kiel, Luebeck and Hamburg, Institute of Diagnostic and Interventional Radiology/Neuroradiology, Heide
,
C Brandt-Wunderlich
2   University of Rostock, Institute for Biomedical Engineering, Rostock
,
C Kopetsch
3   Westkuestenkliniken Heide – Academic Teaching Hospital of the Universities of Kiel, Luebeck and Hamburg, Institute of Diagnostic and Interventional Radiology/Neuroradiology, Heide
,
W Schmidt
2   University of Rostock, Institute for Biomedical Engineering, Rostock
,
R Andresen
4   Westkuestenkliniken Heide – Academic Teaching Hospital of the Universites of Kiel, Luebeck and Hamburg, Institute of Diagnostic and Interventional Radiology/Neuroradiology, 'Heide
› Author Affiliations
Further Information

Publication History

Publication Date:
27 March 2019 (online)

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    Zielsetzung:

    Evaluation of a new MicroNet® covered stent (InspireMD™) designed for the carotid artery with the ability of self-adjusting to different vessel diameters: Mechanical properties assessment in respect to expansion radial forces and clinical safety and effectiveness.

    Material und Methoden:

    30 consecutive patients with symptomatic high-grade stenosis of the internal carotid artery (ICA) were treated with the new self-adjusting stent and the technical success and clinical follow-up were analyzed. The stent consists of a self-expanding open-cell nitinol design covered by an outer MicroNet® conformable layer. The only stent used was the One Size Fits All CGuard™ stent with lengths of 30 or 40 mm. In conjunction, the chronic outward force of the One Size Fits All stent was determined with a segmented head radial force test device (Blockwise Engineering LCC, Tempe, Arizona, USA). The stent was deployed directly into the test device at a diameter of 5.0 mm, and the chronic outward force was measured up to 10.0 mm for complete expansion.

    Ergebnisse:

    The average stenosis rate of the treated arteries was 86.3 ± 6.4% (NASCET). In all 30 patients the stent was successfully implanted. No peri- or post-procedural complications, including minor or major stroke occurred within 30 days follow-up. The chronic outward force normalized by stent length demonstrates a near-equivalent radial force outcome: Between the minimal radial force at 9.0 mm (0.195 N/mm) and the maximal radial force at 5.5 mm (0.330 N/mm) the stent presented only a minor difference.

    Schlussfolgerungen:

    The new self-expanding to different vessel diameters, MicroNet® covered stent, is characterized by its structure with high conformability combined with an almost equivalent radial force between 5.5 to 9.0 mm expansion diameter. Our first clinical results demonstrate that the One Size Fits All stent can be implanted to vessels from 5.5 to 9.0 mm with a very safe and effective implantation behavior with respect to the vessel architecture.


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