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Related Experiment Videos

Cervical disc prosthesis replacement and interbody fusion: a comparative study.

Sun Peng-Fei1, Jia Yu-Hua

  • 1Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, China. spf1205@126.com

International Orthopaedics
|December 21, 2006
PubMed
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Cervical disc replacement and interbody fusion showed similar clinical outcomes in a short-term study. Longer follow-up is needed to determine if artificial cervical disc prosthesis offers advantages over fusion for spinal stability and motion.

Area of Science:

  • Orthopedics
  • Neurosurgery
  • Spinal Surgery

Background:

  • Cervical intervertebral disc disease is a common condition.
  • Traditional treatment involves interbody fusion, which can lead to adjacent segment degeneration.
  • Artificial cervical disc replacement aims to preserve motion and reduce adjacent segment issues.

Purpose of the Study:

  • To compare the clinical efficacy of artificial cervical disc replacement versus interbody fusion.
  • To evaluate the maintenance of cervical spine stability and segmental motion.
  • To assess short-term outcomes of these surgical techniques.

Main Methods:

  • A randomized controlled trial involving 24 patients with single C5-C6 intervertebral disc herniation.
  • Patients were divided into two groups: artificial cervical disc replacement and interbody fusion.

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  • Follow-up included clinical evaluation and assessment of range of motion (ROM).

    • Main Results:

    • Operation times were comparable: 130±50 minutes for disc replacement and 105±53 minutes for fusion.
    • No neurological or vascular complications, prosthesis subsidence, or extrusion were observed.
    • Both groups showed significant improvement in JOA scores (8.6 to 15.8 for replacement, 9 to 16.2 for fusion).
    • No statistical difference in clinical effect or adjacent space ROM between the groups.

    Conclusions:

    • Short-term follow-up does not demonstrate a significant advantage of cervical disc prosthesis over interbody fusion.
    • Clinical outcomes and maintenance of intervertebral motion function were similar between the two surgical methods.
    • Long-term follow-up (at least 5 years) is necessary to evaluate the durability of cervical disc prostheses and their impact on adjacent spinal levels.