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Lumbar spine arthroplasty using the ProDisc II.

Jack E Zigler1

  • 1Texas Back Institute, 6300 West Parker Road, Room 102, Plano, TX 75093, USA. jackzigler@juno.com

The Spine Journal : Official Journal of the North American Spine Society
|November 16, 2004
PubMed
Summary

The ProDisc artificial disc offers a safe and effective alternative to lumbar spinal fusion for treating low back pain. Patients experienced reduced blood loss, shorter hospital stays, and improved motion with ProDisc compared to fusion.

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Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering
  • Spinal Disorders

Background:

  • The ProDisc, developed in the late 1980s, has shown promising early results in patient cohorts.
  • A significant dataset from an initial cohort led to expedited FDA approval for further study.
  • Lumbar spinal fusion is a common treatment for disabling low back pain.

Purpose of the Study:

  • To evaluate the safety and efficacy of the ProDisc II total disc arthroplasty compared to 360-degree lumbar spinal fusion.
  • To compare patient outcomes including pain, disability, range of motion, and patient satisfaction.

Main Methods:

  • A prospective randomized FDA study comparing ProDisc II implantation with lumbar spinal fusion.
  • Data collected preoperatively and postoperatively at 6 weeks, 3 months, 6 months, and 1 year.

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  • Evaluated outcomes included Visual Analog Scale (VAS), Oswestry Low Back Pain Disability Questionnaire (ODQ), patient satisfaction, range of motion, return to work, and ambulatory status.

    • Main Results:

    • ProDisc implantation resulted in significantly less estimated blood loss (103 cc vs. 213 cc) and shorter operative times (90 min vs. 232 min) compared to fusion.
    • Hospital stays were significantly shorter for ProDisc patients (2.24 days vs. 3.26 days).
    • Both ProDisc and fusion groups showed significant reductions in VAS and ODQ scores; ProDisc demonstrated improved range of motion and faster recovery of ambulatory and recreational status.

    Conclusions:

    • Total disc arthroplasty with ProDisc II appears to be an attractive alternative to lumbar spinal fusion for surgical treatment of disabling mechanical low back pain.
    • ProDisc II offers potential benefits including reduced surgical trauma and improved functional recovery.