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Microendoscopic discectomy for recurrent disc herniations.

Robert E Isaacs1, Vinod Podichetty, Richard G Fessler

  • 1Cleveland Clinic Florida Spine Institute, Weston, Florida 33331, USA. isaacsr@ccf.org

Neurosurgical Focus
|September 7, 2004
PubMed
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Microendoscopic discectomy (MED) is a safe option for recurrent lumbar disc herniations. This minimally invasive technique offers effective nerve root decompression without increased surgical risks compared to traditional methods.

Area of Science:

  • Neurosurgery
  • Minimally Invasive Spine Surgery
  • Spinal Diagnostics

Background:

  • Microendoscopic discectomy (MED) is established for primary lumbar disc herniations.
  • Its application in recurrent cases is less understood due to anatomical distortion from prior surgery.
  • Surgeons often prefer open approaches for recurrence due to wider exposure concerns.

Purpose of the Study:

  • To evaluate the safety and efficacy of MED for recurrent lumbar disc herniation.
  • To compare outcomes of MED in recurrent cases versus primary cases.
  • To assess the feasibility of performing MED in previously operated spinal levels.

Main Methods:

  • Unilateral MED was performed on ten patients with symptomatic recurrent lumbar disc herniation.
  • The technique involved fluoroscopic guidance and a lateral trajectory for nerve root decompression.

Related Experiment Videos

  • Prospective analysis compared these cases to 25 patients who underwent standard MED for primary herniation.

    • Main Results:

    • MED provided excellent visualization and nerve root decompression in recurrent cases.
    • No conversions to open surgery were required in either group.
    • Operative time, blood loss, and hospital stay showed no significant differences between groups.

    Conclusions:

    • Microendoscopic discectomy is a safe and viable treatment for recurrent lumbar disc herniation.
    • The procedure can be performed without increasing surgery-related morbidity.
    • MED preserves paraspinal musculature and facet capsule integrity.