The purpose of this study is to evaluate the safety and efficacy of embolization of the middle meningeal artery (MMA) using the Onyx™ Liquid Embolic System (LES) for treatment of symptomatic subacute or chronic subdural hematoma (SDH). A trial of catheter-based embolization for non-acute subdural hemorrhage.
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Questions regarding this trial: 310-303-5515