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Abstract

Background

The Woven EndoBridge (WEB) device is used to treat wide-neck bifurcation aneurysms (WNBAs). We conducted a systematic review and meta-analysis to determine the retreatment rate strategies following aneurysmal recurrence of WEB device treated WNBAs.

Methods

This study is reported following the PRISMA 2020 guidelines. We conducted a systematic review of the literature using PubMed, Scopus, Embase, and Web of Science. Data were pooled using a random-effects model. We calculated pooled prevalence and corresponding 95% confidence intervals (CI).

Results

We included 11 studies. The overall retreatment rate was 171/1875 aneurysms (10.3%; 95% CI = 8.3–12.9). Stent-assisted coiling was used to treat 59 aneurysms (36.7%; 95% CI = 26.4–48.5), and flow diverters were used to treat 44 aneurysms (18.7%; 95% CI = 9.9–32.5). Following retreatment, the complete occlusion rate was 57/91 aneurysms (62.8%; 95% CI = 48.2–75.3) and the adequate occlusion rate was 24/91 aneurysms (26.4%; 18.4%–36.4%). The most common aneurysmal recurrence site was the anterior communicating artery (44/136 aneurysms, 32.4%; 95% CI = 25.0–40.7).

Conclusions

Roughly 10% of WNBAs initially treated with the WEB device will undergo retreatment. Retreatment is an effective strategy for WEB-treated aneurysms, with high rates of adequate and complete occlusion. Future studies should work to identify risk factors for aneurysmal recurrence.

Keywords

Aneurysm WEB Woven EndoBridge wide neck endovascular retreatment

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Aneurysmal recurrence and retreatment modalities after Woven EndoBridge (WEB) device implantation: A systematic review and meta-analysis

Abstract

Background

Methods

Results

Conclusions

Keywords

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References

Supplementary Material