Smoking Attenuates the Advantages of Cervical Disc Arthroplasty Over Fusion: A Comparative Analysis of ACDR and ACDF Outcomes.
STUDY DESIGN Retrospective cohort study. OBJECTIVE To compare anterior cervical disc replacement (ACDR) and anterior cervical discectomy and fusion (ACDF) in smokers and nonsmokers. SUMMARY OF BACKGROUND DATA Smoking is a well-established risk factor after fusion-based spine surgery, whereas ACDR does not depend on...