110 Arthrodesis vs Revision Discectomy for Recurrent Lumbar Disc Herniation

TL;DRAbstract

INTRODUCTION: Comparative effectiveness of spinal fusion vs revision discectomy for lumbar recurrent disc herniation (RDH) has yet to be evaluated. By analyzing nationwide longitudinal patient-reported outcomes spine registry, we characterized utilization of arthrodesis for lumbar RDH and analyzed its associated outcomes vs discectomy alone. METHODS: N2QOD registry prospectively enrolls spine surgery patients via representative sampling and prospectively collects measures of surgical safety and patient-reported outcomes for 1 year postoperatively. All lumbar surgery cases performed for same-level, same-side RDH without listhesis or instability were queried to compare outcomes between revision discectomy with arthrodesis vs without arthrodesis. RESULTS: Four hundred seventeen RDH patients were enrolled with 1-year follow-up (135 [32%] arthrodesis, 282 [68%] discectomy). Patients treated with arthrodesis more frequently presented with back- vs leg-dominant symptoms, had greater back pain

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