Randomized Trialhigh evidence
Posterior lumbar facet arthroplasty versus fusion for the treatment of spondylolisthesis: 3-year results from the Total Posterior Spine System investigational device exemption study.
Neurosurgical focus·July 1, 2026·PMID 42385242
Why it mattersMotion-preserving facet arthroplasty may offer a viable alternative to fusion for degenerative spondylolisthesis, potentially reducing adjacent-segment disease and the need for secondary procedures while maintaining stability.

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