ArticleNeuroradiology2025
Feasibility, safety and efficacy of Woven EndoBridge embolization of intracranial aneurysms with the 2 mm height variants.
Article in Neuroradiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- The natural history of untreated small (< 5 mm) intracranial aneurysms: a five-year angiographic follow-up study.Neurosurgical review · 2026Article
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16 authors.
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Abstract
purposeSmall, shallow aneurysms (SSAs) present technical challenges for endovascular treatment with the risk of aneurysm perforation and coil protrusion. The Woven EndoBridge (WEB) device, particularly the lowest height of 2 mm variant, offers a potential alternative option for these aneurysms. This multicenter study evaluates the feasibility, safety and efficacy of the WEB for SSAs ≤ 4.1 mm width.
methodsA total of 103 aneurysms (mean size: 3.4 ± 1.1 mm, 67 [65%] bifurcation) treated with WEB single-layer sizes ranging from 3 × 2 mm to 4.5 × 2 mm were retrospectively analyzed. Data on procedural success, complications, and angiographic outcomes were collected. The incidence and potential strategies to counteract WEB protrusion were evaluated.
resultsWEB deployment was successful in 97 (94%) cases, but WEB protrusion occurred in 12 (12%) cases. Strategies to counteract WEB protrusion were change to another endovascular technique (n = 4), additional stent implantation (n = 4), change to a smaller WEB size (n = 3), and repositioning of the WEB (n = 1). Procedural thromboembolic complications occurred in 4 (4%) cases, of which 3 were due to protrusion of the WEB, but all were asymptomatic. Two hemorrhagic complications (2%), caused by aneurysm perforation with the microwire in the first case and with the folded WEB tip in the second, resulted in procedural morbidity (2%). Complete and adequate occlusion rates were 82% (42/51) and 90% (46/51) at 6 months and 76% (19/25) and 88% (22/25) at 12 months, respectively.
conclusionThe 2 mm height WEB demonstrated feasibility and efficacy in the treatment of SSAs with good safety results, making it a viable alternative endovascular option for SSAs.
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