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AJNR Am J Neuroradiol · May 2016
ReviewEndovascular Treatment of Intracranial Aneurysms with the WEB Device: A Systematic Review of Clinical Outcomes.
- X Armoiry, F Turjman, D J Hartmann, R Sivan-Hoffmann, R Riva, P E Labeyrie, G Aulagner, and B Gory.
- From the Délégation à la Recherche Clinique et à l'Innovation (X.A.), Hospices Civils de Lyon, Cellule Innovation, Lyon, France CNRS 5510/MATEIS (X.A., D.J.H., P.E.L., G.A.), Lyon, France.
- AJNR Am J Neuroradiol. 2016 May 1; 37 (5): 868-72.
Background And PurposeDespite the improvement in technology, endovascular treatment of bifurcation intracranial wide-neck aneurysms remains challenging, mainly due to the difficulty of maintaining coils within the aneurysm sac without compromising the patency of bifurcation arteries. The Woven EndoBridge (WEB) device is a recent intrasaccular braided device specifically dedicated to treating such aneurysms with a wide neck by disrupting the flow in the aneurysmal neck and promoting progressive aneurysmal thrombosis.Materials And MethodsUsing several health data bases, we conducted a systematic review of all published studies of WEB endovascular treatment in intracranial aneurysms from 2010 onward to evaluate its efficacy and safety profile.ResultsThe literature search identified 6 relevant studies (7 articles) including wide-neck bifurcation aneurysms in ≥80% of cases. Clinical data supporting the efficacy and safety of the WEB are limited to noncomparative cohort studies with large heterogeneity from a methodologic standpoint. The WEB deployment was feasible with a success rate of 93%-100%. Permanent morbidity (mRS of >1 at last follow-up) and mortality were measured at 2.2%-6.7% and 0%-17%, respectively. The adequate occlusion rate (total occlusion or neck remnant) varied between 65% and 85.4% at midterm follow-up (range, 3.3-27.4 months).ConclusionsEndovascular treatment of bifurcation wide-neck aneurysms with the WEB device is feasible and allows an acceptably adequate aneurysm occlusion rate; however, the rate of neck remnants is not negligible. The WEB device needs further clinical and anatomic evaluation with long-term prospective studies, especially of the risk of WEB compression. Prospective controlled studies should be encouraged.© 2016 by American Journal of Neuroradiology.
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