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68th Annual Meeting of the German Society of Neurosurgery (DGNC)
7th Joint Meeting with the British Neurosurgical Society (SBNS)

German Society of Neurosurgery (DGNC)

14 - 17 May 2017, Magdeburg

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Clinical and radiological long-term results of anterior discectomy and fusion (ACDF) versus dynamic cervical implant in the treatment of degenerative cervical spine disease

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  • Senol Jadik - Neurochirurgie, Kiel, Deutschland
  • Michael Synowitz - Universitätsklinikum Schleswig-Holstein, Campus Kiel, Klinik für Neurochirurgie, Kiel, Deutschland

Deutsche Gesellschaft für Neurochirurgie. Society of British Neurological Surgeons. 68. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie (DGNC), 7. Joint Meeting mit der Society of British Neurological Surgeons (SBNS). Magdeburg, 14.-17.05.2017. Düsseldorf: German Medical Science GMS Publishing House; 2017. DocMO.09.07

doi: 10.3205/17dgnc055, urn:nbn:de:0183-17dgnc0554

Published: June 9, 2017

© 2017 Jadik et al.
This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 License. See license information at http://creativecommons.org/licenses/by/4.0/.

Outline

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Objective: To evaluate clinical and radiologic outcome in patients treated with a dynamic cervical implant (DCI) or anterior cervical diskectomy and fusion (ACDF).

Methods: This retrospective cohort study enrolled patients with single- or two-level cervical degenerative disc disease who underwent DCI arthroplasty or ACDF between September 2008 and June 2016. Patients were followed up for more than 5 years. The study included 68 patients with one- or two-level cervical degenerative disk disease (DDD) undergoing treatment with either DCI (n = 36) or ACDF (n = 32). Clinical and radiologic outcomes were assessed 60 to 72 months after surgery. Clinical scoring systems included the Visual Analog Scale for Neck (VAS-N) and Arm pain (VAS-A), the Neck Disability Index (NDI), and the Quality of Life Scale (SF36).

Results: Both the DCI and ACDF group showed significant clinical improvement 60 months after surgery using the VAS-N (p = 0.034 and p < 0.001, respectively), VAS-A (p < 0.001 and p < 0.001, respectively), NPAD (p < 0.001 and p < 0.001, respectively), and SF36 (p < 0.001 and p < 0.001, respectively). There were no significant differences in clinical outcome comparing both groups at the 60-month follow-up. The fusion rate at 60 months after surgery was 90.4% and 94.0% in the DCI and ACDF groups, respectively. Heterotopic ossification was found in 90.9% in the DCI group at 60-month follow-up.

Conclusion: The clinical results for DCI treatment are equivalent to those for ACDF in the treatment of one- and two-level cervical DDD at 60 months after surgery. There is a high rate of fusion associated with DCI treatment due to heterotopic ossification.