Cervical Disc Arthroplasty: Evolution, Evidence, and Future Directions in Motion-Preservation Surgery.
➢ Cervical disc arthroplasty (CDA) provides clinical outcomes comparable with those of anterior cervical discectomy and fusion (ACDF) for 1-level and 2-level cervical degenerative disc disease (DDD), with durable long-term motion preservation.➢ Although CDA is associated with lower rates of adjacent-segment pathology c...