The purpose of this study is to evaluate the safety (short and long term side effects) and effectiveness (how well it helps) of Onyx Liquid Embolic System(LES) (study device) embolization of the middle meningeal artery when used in addition to the standard treatment that is used to treat a subdural hematoma.
Adult with chronic or sub-chronic subdural hematoma
Detailed Eligibility: Adult with chronic or sub-chronic subdural hematoma
Not Applicable - Describes studies without FDA-defined phases, including studies of devices or behavioral interventions.
University of Colorado Hospital
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