ArticleClinical neuroradiology2026
The WEVO Technique: A Novel Dual-Device Endovascular Strategy for Non-Geometric Wide Neck Bifurcation Aneurysms.
Article in Clinical neuroradiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeNon-geometric wide-neck bifurcation aneurysms (WNBAs) present with treatment challenges of unfavorable neck morphology at bifurcation sites combined with irregular saccular geometry. While microsurgical clipping remains the traditional standard treatment, unsuitable candidates often require endovascular alternatives. We developed the WEVO technique, combining a volumetrically matched Woven EndoBridge (WEB) placement with a LVIS EVO braided stent deployment to achieve device stabilization and neck reconstruction with enhanced metal coverage.
methodsWe conducted a retrospective review of 21 patients treated for non-geometric WNBAs. Patient demographics, aneurysm characteristics, procedural parameters, and clinical outcomes were analyzed. The LVIS EVO stent was deployed using a "shouldering" technique to compress stent cells across the aneurysm neck. All patients received dual antiplatelet therapy. Aneurysm occlusion was assessed using the WEB Occlusion Scale (WOS) at 3 to 6 months and at 12 months.
resultsMedian age was 71 (IQR: 64-76); 71% were female. All aneurysms were unruptured with median volume 81.4 mm
conclusionThe WEVO technique provides a safe and effective endovascular treatment option for non-geometric WNBAs by combining intrasaccular flow disruption with neck scaffolding and increased metal coverage.
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