Abstract
Background The optimal endovascular approach for acutely ruptured wide‐neck intracranial aneurysms remains uncertain, and the use of stent‐assisted coiling or flow diversion is controversial due to antiplatelet therapy requirements and potential risks. Various techniques have been developed to address these challenges, including balloon‐assisted coiling (BAC) and intrasaccular flow‐disruption. The Woven EndoBridge (WEB) is an intrasaccular device that has shown a favorable efficacy and safety profile for ruptured aneurysms with minimal rebleeding rates. We aimed to compare the clinical and radiological outcomes between WEB and BAC in a cohort of patients with ruptured wide‐necked intracranial aneurysms. Methods In this international multicenter cohort study, we included consecutive patients treated for ruptured wide‐neck intracranial aneurysms with either WEB or BAC at 4 neurovascular centers. The primary effectiveness outcome was complete aneurysm occlusion at the final imaging follow‐up using the Raymond–Roy scale. Secondary outcomes included a composite of periprocedural hemorrhagic/ischemia‐related complications and favorable functional outcome. Results The study included 104 patients treated with WEB and 107 patients treated with BAC. Of the patients, 60.5% in the WEB group and 53% in the BAC group achieved complete occlusion, with no significant difference between the 2 groups after adjusting for covariates (adjusted odds ratio [OR] = 1.02; 95% CI 0.46–2.25; P = 0.964). The odds of favorable functional outcome did not significantly differ between the WEB (74.8%) and BAC groups (77.4%, adjusted OR = 1.45; 95% CI 0.65–3.24; P = 0.368). Procedure‐related complications were similar in both groups (WEB: 9.6%, BAC: 10.3%, P = 0.872), with no significant difference observed in the rates of ischemic events (WEB: 6.7% versus BAC: 2.8%; P = 0.180) and hemorrhagic events (WEB: 3.8% versus BAC: 7.5%; P = 0.255) between the 2 groups. Conclusion In conclusion, both WEB and BAC techniques showed similar effectiveness and safety outcomes in treating ruptured wide‐neck intracranial aneurysms. Further prospective comparative studies are needed to better guide treatment decisions for this patient population.
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