Researchers performed a radiographic review of 187 randomized patients who either received cervical disc arthroplasty or ACDF for one-level cervical disc disease. In this prospective, multicenter study, 93 patients received cervical disc arthroplasty and 94 received ACDF.
Two years after surgery, the cervical disc arthroplasty group experienced a statistically greater improvement in cervical spine range of motion, compared with ACDF. The ACDF patients reported significantly elevated contribution from caudal adjacent level, as well as first, second and third cranial adjacent level.
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