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Related Concept Videos

Degenerative Disc Disease ll: Pathophysiology01:23

Degenerative Disc Disease ll: Pathophysiology

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The symptoms of degenerative disc disease arise from a combination of mechanical compression, vascular compromise, and biochemical inflammation, which together disrupt nerve function and produce pain.Mechanical CompressionDisc degeneration reduces height and elasticity, predisposing to herniation of the nucleus pulposus, a major cause of radicular pain. Herniations may be protrusion (bulging with intact annulus), extrusion (nucleus extends beyond disc but remains connected), or sequestration...
2

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Related Experiment Video

Updated: Apr 18, 2026

Full-Endoscopic Transforaminal Approach for Lumbar Discectomy
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Percutaneous laser disc decompression versus conventional microdiscectomy in sciatica: a randomized controlled trial.

Patrick A Brouwer1, Ronald Brand2, M Elske van den Akker-van Marle3

  • 1Department of Radiology, Leiden University Medical Center, PO Box 9600, 2300 RC, Leiden, The Netherlands.

The Spine Journal : Official Journal of the North American Spine Society
|January 24, 2015
PubMed
Summary
This summary is machine-generated.

Percutaneous laser disc decompression (PLDD) offers comparable outcomes to conventional surgery for lumbar disc herniation. This minimally invasive treatment, when followed by surgery if needed, provides noninferior results at one year.

Keywords:
Disc herniationDiscectomyMinimal invasive techniquesPercutaneous disc decompressionRandomized clinical trialSciatica

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Area of Science:

  • Minimally Invasive Spine Surgery
  • Neurosurgery
  • Orthopedic Surgery

Background:

  • Percutaneous laser disc decompression (PLDD) is an FDA-approved minimally invasive treatment for lumbar disc herniation since 1991.
  • No prior randomized trials have directly compared PLDD to conventional surgical treatments.

Purpose of the Study:

  • To assess the effectiveness of a PLDD strategy compared to conventional surgery for lumbar disc herniation.
  • To evaluate noninferiority of PLDD against traditional surgical interventions.

Main Methods:

  • A randomized prospective noninferiority trial conducted across multiple Dutch hospitals.
  • 115 surgical candidates with sciatica due to disc herniation were randomized to PLDD (n=57) or conventional surgery (n=58).
  • Primary outcomes included the Roland-Morris Disability Questionnaire, visual analog pain scores, and perceived recovery at 8 and 52 weeks.

Main Results:

  • PLDD demonstrated noninferiority to conventional surgery based on the Roland-Morris Disability Questionnaire at both 8 and 52 weeks.
  • Conventional surgery showed a faster speed of recovery.
  • The conventional surgery group had significantly fewer reoperations (16%) compared to the PLDD group (38%).

Conclusions:

  • A strategy of PLDD followed by surgery if necessary yields noninferior outcomes at one year compared to immediate conventional surgery.
  • PLDD is a viable alternative for select patients with lumbar disc herniation, offering comparable long-term results.