The impact of postoperative aspirin in patients undergoing Woven EndoBridge: a multicenter, institutional, propensity score-matched analysis

Author:

Dmytriw Adam A,Musmar BaselORCID,Salim Hamza,Aslan Assala,Cancelliere Nicole MORCID,McLellan Rachel M,Algin Oktay,Ghozy SheriefORCID,Dibas Mahmoud,Lay Sovann VORCID,Guenego AdrienORCID,Renieri Leonardo,Carnevale Joseph AnthonyORCID,Saliou GuillaumeORCID,Mastorakos Panagiotis,El Naamani KareemORCID,Shotar EimadORCID,Premat Kevin,Möhlenbruch Markus A,Kral Michael,Doron Omer,Chung CharlotteORCID,Salem Mohamed MORCID,Lylyk IvanORCID,Foreman Paul M,Vachhani Jay AORCID,Shaikh HamzaORCID,Župančić Vedran,Hafeez Muhammad UbaidORCID,Catapano Joshua SORCID,Waqas Muhammad,Tutino Vincent MORCID,Ibrahim Mohamed KORCID,Mohammed Marwa A,Imamoglu Cetin,Bayrak Ahmet,Rabinov James D,Ren YifanORCID,Schirmer Clemens MORCID,Piano Mariangela,Kuhn Anna Luisa,Michelozzi CaterinaORCID,Elens StephanieORCID,Hasan Zuha,Starke Robert M,Hassan Ameer EORCID,Ogilvie MarkORCID,Nguyen AnhORCID,Jones JesseORCID,Brinjikji WaleedORCID,Nawka Marie TeresaORCID,Psychogios Marios-Nikos,Ulfert Christian,Diestro Jose Danilo BengzonORCID,Pukenas Bryan,Burkhardt Jan Karl,Huynh Thien J,Martinez-Gutierrez Juan CarlosORCID,Essibayi Muhammed AmirORCID,Sheth Sunil A,Spiegel Gary,Tawk RabihORCID,Lubicz Boris,Panni Pietro,Puri Ajit S,Pero GuglielmoORCID,Nossek ErezORCID,Raz EytanORCID,Killer-Oberpfalzer MonikaORCID,Griessenauer Christoph J,Asadi Hamed,Siddiqui Adnan HORCID,Brook Allan L,Altschul David,Ducruet Andrew F,Albuquerque Felipe CORCID,Regenhardt Robert W,Stapleton Christopher JORCID,Kan PeterORCID,Kalousek VladimirORCID,Lylyk Pedro,Boddu Srikanth Reddy,Knopman Jared,Aziz-Sultan Mohammad A,Tjoumakaris Stavropoula IORCID,Clarençon Frédéric,Limbucci Nicola,Cuellar Hugo HORCID,Jabbour Pascal MORCID,Pereira Vitor M,Patel Aman B,Adeeb Nimer

Abstract

BackgroundThe Woven EndoBridge (WEB) device is frequently used for the treatment of intracranial aneurysms. Postoperative management, including the use of aspirin, varies among clinicians and institutions, but its impact on the outcomes of the WEB has not been thoroughly investigated.MethodsThis was a retrospective, multicenter study involving 30 academic institutions in North America, South America, and Europe. Data from 1492 patients treated with the WEB device were included. Patients were categorized into two groups based on their postoperative use of aspirin (aspirin group: n=1124, non-aspirin group: n=368). Data points included patient demographics, aneurysm characteristics, procedural details, complications, and angiographic and functional outcomes. Propensity score matching (PSM) was applied to balance variables between the two groups.ResultsPrior to PSM, the aspirin group exhibited significantly higher rates of modified Rankin scale (mRS) mRS 0–1 and mRS 0–2 (89.8% vs 73.4% and 94.1% vs 79.8%, p<0.001), lower rates of mortality (1.6% vs 8.6%, p<0.001), and higher major compaction rates (13.4% vs 7%, p<0.001). Post-PSM, the aspirin group showed significantly higher rates of retreatment (p=0.026) and major compaction (p=0.037) while maintaining its higher rates of good functional outcomes and lower mortality rates. In the multivariable regression, aspirin was associated with higher rates of mRS 0–1 (OR 2.166; 95% CI 1.16 to 4, p=0.016) and mRS 0–2 (OR 2.817; 95% CI 1.36 to 5.88, p=0.005) and lower rates of mortality (OR 0.228; 95% CI 0.06 to 0.83, p=0.025). However, it was associated with higher rates of retreatment (OR 2.471; 95% CI 1.11 to 5.51, p=0.027).ConclusionsAspirin use post-WEB treatment may lead to better functional outcomes and lower mortality but with higher retreatment rates. These insights are crucial for postoperative management after WEB procedures, but further studies are necessary for validation.

Publisher

BMJ

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