Epidural Abscess in the Lumbar Spine: A Single Institution’s Experience With Nonsurgical and Surgical Management

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The purpose of this study was to compare patient factors and outcomes in conservatively and surgically treated patients with spinal epidural abscess (SEA). This was a single-center retrospective review of adult patients treated for SEA of the lumbar spine. Primary treatment outcome was readmission for recurrent abscess. Sixty-one patients met inclusion criteria: 59% male, mean age 56.9 years, and body mass index 30.8 kg/m2. Initially 47.5% of patients were treated with conservative measures and 52.5% were treated with surgery. In the conservative group, 31.0% failed treatment and underwent delayed surgery; 26.2% of the overall cohort was readmitted for SEA. Readmitted patients had a greater incidence of history of methicillin-resistant Staphylococcus aureus (p = .048), recurrent infections (p = .008), and recent sepsis and bacteremia (p = .005). Nearly one-third of patients failed initial conservative treatment and needed delayed surgery; however, no significant differences were found between the two treatment groups. Patients with a past history of infections may require more aggressive treatment and closer follow-up, because they are at higher risk for recurrence and readmission. (Journal of Surgical Orthopaedic Advances 28(3):224–231, 2019) Key words: central nervous system infection, conservative management, outcomes, spinal epidural abscess, spinal infection, surgical decompression

Epidural Abscess in the Lumbar Spine: A Single Institution’s Experience With Nonsurgical and Surgical Management - Benjamin W. Berwick, MD, MS; T. David Luo, MD; Katherine W. Sun, MD; Rebecca A. Sharp, MD; John P. Birkedal, MD; and Tadhg J. O’Gara, MD