Degenerative Spondylolisthesis
Degenerative Spondylolisthesis - Related Videos
01:27
Degenerative Disc Disease I: Introduction
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2026
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...
01:23
Degenerative Disc Disease ll: Pathophysiology
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2026
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...
09:25
A Protocol to Acquire the Degenerative Tenocyte from Humans
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Cited by 12 •
2018
In vitro use of degenerative tenocytes is essential when investigating the efficacy of novel treatment on tendinopathy. However, most research studies use only the animal model or a healthy tenocyte. We propose the following protocol to isolate human degenerative tenocytes during surgery.
11:20
Retinal Pigment Epithelium Transplantation in a Non-human Primate Model for Degenerative Retinal Diseases
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Cited by 8 •
2021
The non-human primate (NHP) is an ideal model for studying human retinal cellular therapeutics due to the anatomical and genetic similarities. This manuscript describes a method for submacular transplantation of retinal pigment epithelial cells in the NHP eye and strategies to prevent intraoperative complications associated with macular manipulation.
11:30
Multilevel Oblique Lumbar Interbody Fusion in Degenerative Lumbar Disc Disease with Instability
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2025
This protocol presents the operative technique of multilevel Oblique Lumbar Interbody Fusion (OLIF) in a step-by-step manner, elaborating on the critical steps for achieving optimal outcomes.
FAQs
Loss of disc height and facet-joint deterioration can reduce the lumbar spine’s mechanical stability. That instability may contribute to back pain, while altered alignment can coexist with narrowing that affects nearby nerve roots. Thus, degenerative changes may produce predominantly mechanical symptoms, nerve-related symptoms, or both, helping explain variation in clinical presentation.
Standing radiographs provide information about spinal alignment, while magnetic resonance imaging evaluates stenosis and nerve involvement. Their roles are complementary: radiographs characterize the vertebral relationship, and MRI helps show whether narrowing or neural structures may contribute to symptoms. Interpreting both alongside history and neurological examination creates a more complete clinical assessment.
Neurogenic claudication reflects nerve-related symptoms associated with spinal narrowing, whereas mechanical back pain arises from degenerative and unstable spinal structures. Nerve-root compression represents another neurological consequence that clinicians assess. Distinguishing these patterns matters because examination and imaging must determine whether symptoms relate mainly to alignment, stenosis, or nerve involvement.
Assessment combines the patient’s history, a neurological examination, and imaging. History characterizes symptoms, while the neurological examination looks for evidence of nerve involvement. Standing radiographs evaluate alignment, and magnetic resonance imaging evaluates stenosis and nerve involvement. Together, these elements support a clinical interpretation of structural findings and their relationship to symptoms.
Physical therapy, medication, and activity modification are nonsurgical management options. They can be incorporated into an individualized plan focused on symptoms and mobility, while the clinical team considers the history, neurological findings, and imaging. This conservative approach is part of the broader treatment range, which also includes surgical options when appropriate.
Decompression or spinal fusion may be included when management requires surgery, but the diagnosis alone does not establish a single operative plan. Individualized care uses symptoms, neurological examination, and imaging findings, including alignment, stenosis, and nerve involvement, to guide treatment selection. The source supports these options without defining one universal surgical threshold.
Research can examine mobility, pain, and surgical outcomes because these measures capture different consequences of the disorder and its treatment. Mobility reflects functional impact, pain reflects symptom burden, and surgical outcomes help evaluate results after intervention. Considering all three supports a broader assessment than imaging or alignment alone.