Despite recent improvements in surgical and antimicrobial therapies, few generally applicable guidelines exist for spondylodiscitis management. We reviewed a consecutive series of patients as well as the past 18 years of the literature and analyzed outcomes for either conservative or surgical treatment. We analyzed a consecutive series of adults with spontaneous spondylodiscitis treated at our institution over the last 6 years. We analyzed predictors for neurological deficits, vertebral collapse, and surgical treatment. We also performed a meta-analysis of the literature between 2000 and 2018, stratifying the results between surgical and conservative treatment outcomes. A younger age at diagnosis, cervical location, tubercular infection, coexistence of morbidities, and vertebral collapse were predictors of surgical intervention. Cervical spondylodiscitis, vertebral collapse, and epidural collection were associated with a higher risk of developing neurological deficits, while tubercular spondylodiscitis was associated with a higher risk of vertebral collapse. Based on the current literature, conservative treatment has success rates similar to those of surgical treatment but lower complication and mortality rates. In cases without an absolute indication for surgery, a conservative approach should be considered as the first-line treatment. A closer diagnostic and clinical follow-up should be recommended in patients with cervical tract or tubercular spondylodiscitis because of the higher risk of developing bone collapse and neurological deficits.
Keywords: Community-acquired spinal infections; Discitis; Spinal infections; Spontaneous spondylodiscitis.
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