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Feasibility, safety and efficacy of Woven EndoBridge embolization of intracranial aneurysms with the 2 mm height variants

Purpose: Small, 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. Th...

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Main Authors: Görtz, Lukas (Author) , Hohenstatt, Sophia (Author) , Siebert, Eberhard (Author) , Styczen, Hanna (Author) , Ranft, Alexander (Author) , Zopfs, David (Author) , Kaiser, Daniel (Author) , Krukowski, Pawel (Author) , Schlamann, Marc (Author) , Kottlors, Jonathan (Author) , Janssen, Jan Paul (Author) , Deuschl, Cornelius (Author) , Dorn, Franziska (Author) , Möhlenbruch, Markus Alfred (Author) , Liebig, Thomas (Author) , Kabbasch, Christoph (Author)
Format: Article (Journal)
Language:English
Published: 01 November 2025
In: Neuroradiology
Year: 2025, Pages: 1-10
ISSN:1432-1920
DOI:10.1007/s00234-025-03806-8
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1007/s00234-025-03806-8
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Author Notes:Lukas Goertz, Sophia Hohenstatt, Eberhard Siebert, Hanna Styczen, Alexander Ranft, David Zopfs, Daniel Kaiser, Pawel Krukowski, Marc Schlamann, Jonathan Kottlors, Jan Paul Janssen, Cornelius Deuschl, Franziska Dorn, Markus A. Möhlenbruch, Thomas Liebig, Christoph Kabbasch
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Summary:Purpose: Small, 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. Methods: A 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. Results: WEB 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. Conclusion: The 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.
Item Description:Online veröffentlicht: 01. November 2025
Gesehen am 09.12.2025
Physical Description:Online Resource
ISSN:1432-1920
DOI:10.1007/s00234-025-03806-8

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