Spine
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MINI: On magnetic resonance imaging, indirect decompression using lateral lumbar interbody fusion and posterior fixation was confirmed immediately after surgery and also continuously progressed after surgery, particularly during the first 6 months. Thecal sac enlargement was also confirmed, and is suspected to be caused by the atrophy of the ligamentum flavum and the disc.
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Retrospective cohort. ⋯ 4.
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Multicenter Study
Five-year Results of a Randomized Controlled Trial for Lumbar Artificial Discs in Single-level Degenerative Disc Disease.
A prospective, multicenter, randomized, controlled, investigational device exemption (IDE) noninferiority trial. ⋯ 2.
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Systematic review and meta-analysis. ⋯ 3.