59. Prospective Study of Post-operative Lumbar Epidural Hematoma: Incidence and Risk Factors

BACKGROUND CONTEXT: Postoperative epidural hematomas have been identified in up to 100% of asymptomatic patients following open microdiscectomy. No prospective study of postoperative hematoma and thecal sac compression has been performed following lumbar decompression surgery with or without fusion.