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Related Concept Videos

Herniated Intervertebral Disc l: Introduction01:29

Herniated Intervertebral Disc l: Introduction

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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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Degenerative Disc Disease I: Introduction01:27

Degenerative Disc Disease I: Introduction

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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...
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[Infected pseudoarthrosis of the tibia, a pediatric case. Case report and literature review].

Acta ortopedica mexicana·2013
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Updated: May 1, 2026

Full-Endoscopic Isolation Zone Technique for the Treatment of Lumbar Disc Herniation
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[Lumbar herniated disks treated with a dynamic interspacer].

J F Cueva-del Castillo Mendoza, E A Franco-López, F Hinojosa-Sandoval

    Acta Ortopedica Mexicana
    |April 8, 2014
    PubMed
    Summary

    The Mexican DYNAMIC INTERSPACER effectively treats lumbar herniated disks, reducing pain and nerve compression. This study shows significant clinical improvement in patients with lumbar pain after using this interspinous device.

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    Area of Science:

    • Neurosurgery
    • Orthopedic Surgery
    • Spinal Surgery

    Background:

    • Lumbar herniated disks cause significant pain and neurological deficits.
    • Conservative treatments are effective initially, but surgery may be necessary when they fail.
    • Interspinous spacers offer a potential surgical solution for lumbar disc herniation.

    Purpose of the Study:

    • To evaluate the clinical and imaging outcomes of patients with contained lumbar herniated disks.
    • To assess the efficacy of the DYNAMIC INTERSPACER, a Mexican-made interspinous device.

    Main Methods:

    • A longitudinal, near-investigational study was conducted.
    • Patients diagnosed with lumbar pain due to herniated disks were included.
    • The study assessed the efficacy of the DYNAMIC INTERSPACER device.

    Main Results:

    • The mean age of participants was 46.1 years.
    • Preoperative Visual Analog Scale (VAS) pain scores averaged 8.1, decreasing to 1.6 at three years post-surgery.
    • MRI scans showed reduced compression of the sac or nerve roots after treatment.

    Conclusions:

    • The DYNAMIC INTERSPACER, a Mexican device, provides clinical improvement for lumbar pain caused by herniated disks.
    • This study validates the use of this specific interspinous device in improving patient health status.
    • The findings support the use of the DYNAMIC INTERSPACER as an effective treatment option.