Cervical Disk Arthroplasty

Abstract

Treatment of cervical intervertebral disk degeneration has traditionally been limited to procedures that remove pathologic disk material and address the bony and neurologic pathology in the region surrounding the excised disk. However, although anterior diskectomy and fusion has been shown to have a high rate of success in some patients, this procedure is associated with a number of complications, most notably adjacent-level disease, pseudarthrosis, and recurrence of neurologic symptoms. As a result, there has been increasing interest in the United States in cervical disk arthroplasty, which preserves motion, avoids the limitations of fusion and the morbidity of bone graft harvest, and allows patients to quickly return to normal activities. Although cervical disk arthroplasty has its own set of complications, early outcomes in US IDE trials suggest that cervical disk arthroplasty may ultimately provide a viable alternative to the current standard of care.

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