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Updated: Jun 2, 2026

Full-Endoscopic Transforaminal Approach for Lumbar Discectomy
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Microendoscopic versus open discectomy for lumbar disc herniation: a prospective randomised study.

Bhavuk Garg1, Upendra Bidre Nagraja, Arvind Jayaswal

  • 1Department of Orthopaedics, All India Institute of Medical Sciences, New Delhi, India.

Journal of Orthopaedic Surgery (Hong Kong)
|April 27, 2011
PubMed
Summary

Microendoscopic discectomy (MED) and open discectomy offer similar pain relief for lumbar disc herniation. MED results in shorter hospital stays and less morbidity, but requires specialized training.

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Area of Science:

  • Neurosurgery
  • Orthopedic Surgery

Background:

  • Lumbar disc herniation is a common cause of low back pain and radiculopathy.
  • Surgical interventions aim to decompress neural elements and restore function.

Purpose of the Study:

  • To compare the clinical outcomes of microendoscopic discectomy (MED) and open discectomy for treating lumbar disc herniation.
  • To evaluate differences in surgical parameters, patient recovery, and functional outcomes between the two techniques.

Main Methods:

  • A randomized controlled trial involving 112 patients with single-level lumbar disc herniation.
  • Patients were assigned to either MED or open discectomy (fenestration/laminotomy).
  • Outcomes assessed included surgical time, anesthesia duration, hospital stay, blood loss, and Oswestry Low Back Pain Disability Index scores at multiple follow-up points.

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Last Updated: Jun 2, 2026

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Main Results:

  • Microendoscopic discectomy (MED) was associated with significantly longer surgical and anesthesia times compared to open discectomy.
  • MED patients experienced significantly reduced intra-operative blood loss and shorter hospital stays.
  • Both techniques showed significant improvement in Oswestry scores at one week post-operatively, with no significant differences at later follow-ups. Complication rates were similar.

Conclusions:

  • Both microendoscopic discectomy (MED) and open discectomy are effective for radicular pain relief in lumbar disc herniation.
  • MED offers advantages such as reduced morbidity and earlier return to work, but necessitates specific training due to its technical demands.