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Total disk arthroplasty.

Eric L Lin1, Jeffrey C Wang

  • 1Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL, USA.

The Journal of the American Academy of Orthopaedic Surgeons
|December 7, 2006
PubMed
Summary
This summary is machine-generated.

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Spinal fusion is standard for back pain, but total disk arthroplasty is emerging. Short-term results are similar, but long-term benefits of artificial disks over fusion require further study.

Area of Science:

  • Orthopedics
  • Neurosurgery
  • Spinal Surgery

Background:

  • Spinal fusion is the established treatment for spinal instability and mechanical pain.
  • Pseudarthrosis and adjacent segment disease are common causes of spinal fusion failure.
  • Total disk arthroplasty (artificial disk replacement) is gaining interest for motion preservation.

Purpose of the Study:

  • To compare the efficacy of total disk arthroplasty with spinal fusion for treating axial low back or neck pain.
  • To review the current status and future research directions for artificial disk technology.

Main Methods:

  • Review of current literature on spinal fusion and total disk arthroplasty.
  • Analysis of short-term clinical outcomes from approved artificial disk devices.

Related Experiment Videos

  • Identification of areas requiring further investigation for total disk arthroplasty.

    • Main Results:

    • Short-term studies (up to 2 years) show comparable clinical improvements between disk replacement and fusion.
    • Two artificial disks for lumbar degenerative disk disease are FDA-approved in the US.
    • Several other artificial disk devices are currently in clinical trials.

    Conclusions:

    • Total disk arthroplasty shows promise as an alternative to spinal fusion.
    • Long-term benefits and optimal patient selection for artificial disk replacement remain to be determined.
    • Further research is needed on design, complications, and long-term outcomes of total disk arthroplasty.