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Motion preservation surgery in the spine.

Ryan Murtagh1, Antonio E Castellvi2

  • 1University of South Florida, 2700 University Square Drive, Tampa, FL 33612, USA.

Neuroimaging Clinics of North America
|May 6, 2014
PubMed
Summary

Motion preservation surgery aims to prevent adjacent-level degeneration after spinal fusion. Various surgical devices like disc replacements and spacers are designed to maintain normal spine motion.

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Area of Science:

  • Spine surgery
  • Orthopedic biomechanics
  • Degenerative disc disease

Background:

  • Conventional spinal fusion can lead to adjacent-level degenerative disc disease.
  • Motion preservation surgery aims to mitigate these adverse outcomes.
  • Maintaining spinal motion is crucial for preventing long-term complications.

Purpose of the Study:

  • To review and discuss various surgical approaches for lumbar spine motion preservation.
  • To highlight the different device designs and their underlying rationale.
  • To emphasize the goal of maintaining near-normal spinal motion.

Main Methods:

  • Review of existing literature on lumbar spine motion preservation techniques.
  • Categorization of surgical devices based on their mechanism of action.
Keywords:
Motion preservationSpineTotal disc replacement

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  • Analysis of device design principles and their relation to functional outcomes.

    • Main Results:

    • Several motion preservation techniques exist for the lumbar spine.
    • These include total disc replacement, nucleus replacement, interspinous spacers, dynamic stabilization, and total facet replacement.
    • Device designs exhibit significant variation despite a common underlying rationale.

    Conclusions:

    • Motion preservation surgery offers an alternative to spinal fusion.
    • A variety of devices are available, each with unique designs.
    • The primary objective remains the prevention of adjacent-level degeneration by preserving spinal mobility.