{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T09:24:22Z","timestamp":1778750662834,"version":"3.51.4"},"reference-count":6,"publisher":"BMJ","issue":"6","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["J NeuroIntervent Surg"],"accepted":{"date-parts":[[2024,12,21]]},"published-print":{"date-parts":[[2026,6]]},"abstract":"The Single Pedicle Embolization of the Distal Middle Meningeal Artery using n-butyl cyanoacrylate (n-BCA) (SPEED-n technique) offers an innovative approach to treating chronic subdural hematomas by targeting the pathological subdural membranes with precise and efficient embolization.1 2 3 This technical video demonstrates the SPEED-n technique, which employs a single catheter and dilute n-BCA (15\u201320%) to achieve distal penetration of the middle meningeal artery (MMA) network while minimizing procedure time and risks (video 1).<\/jats:p>\n \n \n Video 1<\/jats:label>\n \n -<\/jats:title>\n <\/jats:caption>\n \n <\/jats:fig>\n <\/jats:p>\n Key features include a stepwise embolization strategy, leveraging inherent MMA anastomoses to ensure comprehensive vascular coverage and reduced non-target embolization. The method\u2019s success hinges on careful anatomical considerations, precise imaging to delineate safety margins, and the advantages of dilute glue for delayed polymerization, facilitating safe catheter removal and preventing tip retention.4 5 6 This video serves as a practical guide for neurointerventionalists seeking efficient solutions for distal MMA embolization.<\/jats:p>","DOI":"10.1136\/jnis-2024-022751","type":"journal-article","created":{"date-parts":[[2025,1,20]],"date-time":"2025-01-20T02:40:48Z","timestamp":1737340848000},"page":"1608-1608","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Single PEdicle Embolization of Distal Middle Meningeal Artery using n-BCA (SPEED-n technique)"],"prefix":"10.1136","volume":"18","author":[{"given":"Nicolas K","family":"Khattar","sequence":"first","affiliation":[{"name":"Semmes-Murphey Neurologic and Spine Institute, Memphis, Tennessee, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9565-3578","authenticated-orcid":false,"given":"Ehizele","family":"Osehobo","sequence":"additional","affiliation":[{"name":"Semmes-Murphey Neurologic and Spine Institute, Memphis, Tennessee, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-3393-0356","authenticated-orcid":false,"given":"Jason J","family":"Sims","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, The University of Tennessee Health Science Center, Memphis, Tennessee, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1979-2848","authenticated-orcid":false,"given":"Lucas","family":"Elijovich","sequence":"additional","affiliation":[{"name":"Semmes-Murphey Neurologic and Spine Institute, Memphis, Tennessee, USA"},{"name":"Department of Neurology and Neurosurgery, The University of Tennessee Health Science Center, Memphis, Tennessee, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2025,1,19]]},"reference":[{"key":"2026051402051287000_18.6.1608.1","doi-asserted-by":"crossref","unstructured":"Tudor T , Capone S , Vivanco\u2010Suarez J , et al . Middle Meningeal Artery Embolization for Chronic Subdural Hematoma: A Review of Established and Emerging Embolic Agents. SVIN 2024;4. doi:10.1161\/SVIN.123.000906","DOI":"10.1161\/SVIN.123.000906"},{"key":"2026051402051287000_18.6.1608.2","doi-asserted-by":"publisher","DOI":"10.1136\/neurintsurg-2019-014730"},{"key":"2026051402051287000_18.6.1608.3","doi-asserted-by":"crossref","first-page":"101558","DOI":"10.1016\/j.inat.2022.101558","article-title":"Middle meningeal artery embolization with N-Butyl Cyanoacrylate (NBCA) for the treatment of chronic subdural hematoma \u2013 Technical note","volume":"29","author":"Lima","year":"2022","journal-title":"Interdiscip Neurosurg"},{"key":"2026051402051287000_18.6.1608.4","unstructured":"Salem M , Ostmeier S , Hoang A . n.d. Multicenter usclinical experience with the scepter mini balloon catheter. Intervent Neuroradiol."},{"key":"2026051402051287000_18.6.1608.5","doi-asserted-by":"crossref","unstructured":"Abdelsalam A , Ramsay IA , Luther EM , et al . n.d. Middle Meningeal Artery Embolization for Chronic Subdural Hematoma Using N-Butyl Cyanoacrylate With a D5W Push Technique: A Multicentric North American Study of 269 Patients. Oper Neurosurg (Hagerstown). doi:10.1227\/ons.0000000000001369","DOI":"10.1227\/ons.0000000000001369"},{"key":"2026051402051287000_18.6.1608.6","doi-asserted-by":"crossref","unstructured":"Dossani RH , Waqas M , Rai HH , et al . Use of N-butyl 2-cyanoacrylate (nBCA) for preoperative tumor embolization. J Neurointerv Surg 2022;14. doi:10.1136\/neurintsurg-2021-017400","DOI":"10.1136\/neurintsurg-2021-017400"}],"container-title":["Journal of NeuroInterventional Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/jnis-2024-022751","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T09:05:33Z","timestamp":1778749533000},"score":1,"resource":{"primary":{"URL":"https:\/\/jnis.bmj.com\/lookup\/doi\/10.1136\/jnis-2024-022751"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,1,19]]},"references-count":6,"journal-issue":{"issue":"6","published-online":{"date-parts":[[2026,5,14]]},"published-print":{"date-parts":[[2026,6]]}},"alternative-id":["10.1136\/jnis-2024-022751"],"URL":"https:\/\/doi.org\/10.1136\/jnis-2024-022751","relation":{},"ISSN":["1759-8478","1759-8486"],"issn-type":[{"value":"1759-8478","type":"print"},{"value":"1759-8486","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,1,19]]}}}