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- Title
Does Facet Distraction Affect Patient Outcomes After ACDF?
- Authors
Karamian, Brian A.; Levy, Hannah A.; Canseco, Jose A.; Goyal, Dhruv K. C.; Divi, Srikanth N.; Lee, Joseph K.; Kurd, Mark F.; Rihn, Jeffrey A.; Hilibrand, Alan S.; Kepler, Christopher K.; Vaccaro, Alexander R.; Schroeder, Gregory D.
- Abstract
Study Design: Retrospective cohort study Objective: The aim of this study is to determine if there is a correlation between the amount of facet distraction and postoperative patient-reported outcomes after ACDF. Methods: A retrospective cohort analysis of patients undergoing 1 to 3 level ACDF for degenerative pathologies at a single academic center was performed. Each patient received upright, lateral cervical spine x-rays at the immediate postoperative time point from which interfacet distance (facet distraction) was measured. Patient-reported outcome measures including NDI, PCS-12, MCS-12, VAS Neck, and VAS Arm pain scores were obtained preoperatively and at short-term (<3 months) and long-term (>1 year) follow-up. Receiver operating curves were generated to evaluate the possibility of a critical interfacet distraction distance. Univariate and multivariate analysis were performed to compare outcomes between groups based on the degree of facet distraction. Results: A total of 229 patients met the inclusion criteria. Receiver operating curves failed to yield a critical interfacet distraction distance associated with worse post-operative outcomes. Patients were instead grouped based on facet distraction distance below and above the third quartile (0.8mm-2.0 mm, 2.0mm-3.7 mm), with 173 and 56 patients in each respective group. Univariate analysis did not detect any statistically significant differences in outcome measures, recovery ratio, or % MCID achievement at short- and long-term follow-up between groups. Multivariate analysis also failed to demonstrate any significant differences between the facet distraction groups. Conclusion: Increased interfacet distance did not correlate with increased neck pain or disability after an ACDF.
- Subjects
PATIENT reported outcome measures; DEGENERATION (Pathology); CERVICAL vertebrae; FOLLOW-up studies (Medicine); ZYGAPOPHYSEAL joint
- Publication
Global Spine Journal, 2023, Vol 13, Issue 3, p689
- ISSN
2192-5682
- Publication type
Article
- DOI
10.1177/21925682211004244