• Neurosurgery · Jan 2024

    Thromboembolic Events With the Woven Endobridge Device: Incidence, Predictive Factors, and Management.

    • Fernanda Rodriguez-Erazú, Jonathan Cortese, Cristian Mihalea, Adrian Popica, Vanessa Chalumeau, Natalia Vasconcellos, Sophie Gallas, Leon Ikka, Lamiae Grimaldi, Jildaz Caroff, and Laurent Spelle.
    • Department of Interventional Neuroradiology, Bicêtre University Hospital, Paris , France.
    • Neurosurgery. 2024 Jan 1; 94 (1): 183192183-192.

    Background And ObjectivesThe Woven EndoBridge (WEB) device has been increasingly used to treat wide-neck aneurysms showing a safe and effective profile, but a relatively high number of thromboembolic events (TEEs) have been reported with such treatment. We aimed to evaluate the incidence and management of TEEs and possible predictive factors related to WEB embolization of ruptured and unruptured intracranial aneurysms.MethodsA single-center database with consecutive aneurysms treated with a WEB device between July 2012 and May 2022 was reviewed for intraoperative and delayed TEEs. Univariate and multivariable analyses were used to determine factors associated with TEEs.ResultsA total of 266 independent aneurysms were treated with WEB devices in 245 patients (mean age 55.78 ± 11.64 years, 169 (63.5%) females, 80 (30%) ruptured). The overall rate of TEEs is 13% (35/266), including 8.7% intraoperative. Symptomatic TEEs with clinical sequelae at a 3-month follow-up are reported to be 2.6% (7/266) with no TEE-related mortality. Both the replacement of a WEB device during the procedure (adjusted odds ratio = 2.61, 95% CI 1.24-5.49; P = .01) and ruptured aneurysms (adjusted odds ratio = 2.74, 95% CI 1.31-5.7; P = .007) were independent predictors of TEEs. A case-by-case management of intraprocedural TEE is also presented; tirofiban was successfully used in most cases of this cohort.ConclusionIn this study, we demonstrated that ruptured aneurysms and WEB device replacement during the procedure were independent predictive factors for TEEs. As a result, making the correct choice of WEB is crucial for improving treatment outcomes. Moreover, with proper medical management of TEEs, minimal morbidity and no mortality could be achieved, which reinforces the safety of the technique.Copyright © Congress of Neurological Surgeons 2023. All rights reserved.

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