International journal of spine surgery
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Multiple studies have highlighted the motion-sparing benefits of single-level cervical disc arthroplasty (CDA) compared with anterior cervical discectomy and fusion (ACDF). However, few studies have reviewed multilevel ACDF versus CDA. Several recent studies have midterm and even long-term data available comparing 2-level ACDF versus CDA. ⋯ Comparison of the safety and efficacy of multi-level cervical disc arthroplasty and cervical discectomy and fusion.