Abstract 031: Onyx versus nBCA in MMA Embolization for cSDH: A Single Center Experience of 234 hemispheres

Autor: Mohamed F Doheim, Okkes Kuybu, Mohamed M Salem, Aldo Mendez Ruiz, Ali Fadhil, Abdullah Sultany, Sandra Narayanan, Michael Lang, Alhamza Al‐Bayati, Raul G Nogueira, Bradley Gross
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Stroke: Vascular and Interventional Neurology, Vol 3, Iss S2 (2023)
Druh dokumentu: article
ISSN: 2694-5746
DOI: 10.1161/SVIN.03.suppl_2.031
Popis: Introduction There is growing evidence supporting endovascular treatment with middle meningeal artery embolization (MMAE) for the treatment of chronic subdural hematoma (cSDH). We aimed to compare Onyx vs. N‐Butyl cyanoacrylate (n‐BCA) as liquid embolic materials for MMAE. Methods We included all eligible patients undergoing MMAE for cSDH at University of Pittsburgh Medical Center from April 2019 to December 2022. The main outcomes included radiographic resolution of cSDH with at least 50% reduction of hematoma thickness as a surrogate for treatment success in addition to the need for rescue surgical intervention. Additional outcomes including complication rates and hematoma thickness at the last available follow up. Results A total of 195 patients underwent embolization of 234 hemispheres including 39 bilateral procedures and had available data for final analysis (168 (71.8%) in Onyx group vs. 66 (28.2%) in n‐BCA group). There were no significant differences in age, sex, co‐morbidities, prior SDH/evacuation, pre‐operative cSDH thickness, or use of antithrombotic therapy(P>0.05) while concurrent surgical intervention and midline shift showed a statistically significant difference (P
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