Single PEdicle Embolization of Distal Middle Meningeal Artery using n-BCA (SPEED-n technique).

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 (15-20%) to achieve distal penetration of the middle meningeal artery (MMA) network while minimizing procedure time and risks (video 1).neurintsurg;jnis-2024-022751v1/V1F1V1Video 1-Key features include a stepwise embolization strategy, leveraging inherent MMA anastomoses to ensure comprehensive vascular coverage and reduced non-target embolization. The method's 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.