ID: 202468 Treating Symptomatic Adjacent Segment-Disease After Lumbar Spine Fusion With Interspinous Spacers: A Multicenter Retrospective Case-Series

Abstract

Patients with lumbar spine fusion can present with adjacent segment disease including mild to moderate stenosis above or below the level of the existing fusion. This may occur due to restricted motion at the original fusion site which thereby may result in additional stress on neighboring spinal segments (and extension of the fusion).1, 2 One possible treatment approach to treat the symptomatic adjacent segment neurogenic claudication is the use of interspinous process spacers which have been shown to increase stability in extension while simultaneously reducing rigidity in flexion due to that adjacent segment.3, 4 Here, we present our long-term experience utilizing this approach in an observational case-series.