RecruitingDevice studyAssessing Outcomes of Coil Embolization for Unilateral vs Bilateral Chronic Subdural HematomasThis is a pragmatic, prospective, multicenter, randomized controlled trial with intention to treat analysis. In which subjects will receive either unilateral or bilateral middle meningeal artery (MMA) embolization using coils for the treatment of unilateral chronic subdural hematomas (cSDH).