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Related Concept Videos

Degenerative Disc Disease I: Introduction01:27

Degenerative Disc Disease I: Introduction

Degenerative disc disease is a chronic condition in which intervertebral discs gradually lose structure and function. It is not infectious or autoimmune; rather, it results from age-related biochemical and mechanical changes, influenced by genetic, metabolic, and environmental factors.Structure and Function of DiscsThe spine contains 23 intervertebral discs that absorb load, distribute forces, maintain spacing, and allow flexibility. Each disc consists of a nucleus pulposus, a gel-like core...
Degenerative Disc Disease ll: Pathophysiology01:23

Degenerative Disc Disease ll: Pathophysiology

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...
Herniated Intervertebral Disc l: Introduction01:29

Herniated Intervertebral Disc l: Introduction

Intervertebral disc herniation refers to the displacement of the nucleus pulposus (the gel-like inner core of the disc) through a tear or weakened area in the annulus fibrosus (the outer fibrous ring). The displaced disc material extends beyond the normal boundaries of the disc space and may compress or irritate nearby spinal nerve roots or, less commonly, the spinal cord.Etiology and Risk FactorsHerniation commonly results from degeneration, in which aging reduces disc hydration and...

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Related Experiment Video

Updated: Jun 5, 2026

Full-Endoscopic Transforaminal Approach for Lumbar Discectomy
01:24

Full-Endoscopic Transforaminal Approach for Lumbar Discectomy

Published on: September 8, 2023

Surgical treatment of discogenic sciatica.

Mahdi Sharif-Alhoseini1, Vafa Rahimi-Movaghar

  • 1Sina Trauma and Surgery Research Center, Sina Hospital, Hassan-Abad Square, Imam Khomeini Avenue, Tehran University of Medical Sciences, Tehran 11365-3876, Iran.

Neurosciences (Riyadh, Saudi Arabia)
|January 6, 2011
PubMed
Summary

Surgical discectomy can effectively treat sciatica from lumbar disc herniations unresponsive to conservative care. While surgery speeds recovery, optimal surgical techniques and managing failed back surgery syndrome require further research.

Related Experiment Videos

Last Updated: Jun 5, 2026

Full-Endoscopic Transforaminal Approach for Lumbar Discectomy
01:24

Full-Endoscopic Transforaminal Approach for Lumbar Discectomy

Published on: September 8, 2023

Area of Science:

  • Neurosurgery
  • Orthopedic Surgery
  • Pain Management

Background:

  • Discogenic sciatica, often caused by lumbar disc herniations, necessitates comprehensive evaluation of physical, psychological, social, and occupational factors.
  • Conservative management is the initial approach for sciatica, but surgical intervention becomes a consideration for persistent symptoms or cauda equina syndrome.

Purpose of the Study:

  • To review the indications for surgical discectomy in patients with sciatica.
  • To evaluate the efficacy and outcomes of surgical interventions for lumbar disc herniations.
  • To identify challenges and complications associated with surgical treatment of sciatica.

Main Methods:

  • Review of current literature on surgical management of discogenic sciatica.
  • Analysis of factors influencing surgical outcomes and complications.
  • Assessment of evidence for different surgical techniques.

Main Results:

  • Surgical discectomy is highly effective, potentially reducing recovery time by approximately 50% compared to non-surgical treatments.
  • Indications for surgery include failure of conservative management (6-8 weeks) or presence of cauda equina syndrome, requiring pre-operative neuroimaging.
  • Post-operative complications are infrequent (1-3%), with failure rates below 10% in appropriately selected patients, common failures being recurrent herniation or fibrosis.

Conclusions:

  • Surgical discectomy offers significant benefits for selected sciatica patients, particularly those with lumbar disc herniations unresponsive to conservative care.
  • Further research is needed to determine the superiority of specific surgical procedures and to address methodological limitations in studies on percutaneous techniques.
  • Managing challenges like failed back surgery syndrome remains crucial for spinal surgeons.