Spine
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Retrospective analysis of a prospectively collected multicenter database. ⋯ Reoperation <1 year after ACSD surgery did not influence 1-year radiographic outcomes or HRQoL.
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A prospective multicenter study. ⋯ Clinical improvement was comparable between anterior and posterior fusion surgeries for patients with K-line (-) OPLL. The ideal surgical approach should be informed based on the balance between the surgeon's technical preference and the risk of complications.