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Related Concept Videos

Spinal Cord Injury ll: Pathophysiology01:14

Spinal Cord Injury ll: Pathophysiology

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Spinal cord injury progresses through two interconnected phases: primary injury and secondary injury.Primary InjuryPrimary injury happens at the moment of trauma and involves immediate mechanical damage to the spinal cord.Compression happens when broken vertebrae, herniated discs, or accumulating blood (such as a hematoma) press directly against the spinal cord, distorting its normal shape and function. In cases of contusion, the cord is bruised by a blunt force (like penetrating injuries or...
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Secondary Spinal Cord Injury llI: Pathophysiology01:25

Secondary Spinal Cord Injury llI: Pathophysiology

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Early Ischemia and Ionic ImbalanceWithin minutes of spinal cord injury, a secondary cascade begins, progressing over hours to weeks. Vascular damage reduces blood flow, causing ischemia and mitochondrial dysfunction. ATP depletion leads to ion pump failure, membrane depolarization, sodium influx, potassium efflux, and water accumulation, resulting in cellular swelling. Increased intracellular calcium further disrupts mitochondria and accelerates cellular injury.Excitotoxicity and Neuronal...
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Spinal Cord01:26

Spinal Cord

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The spinal cord, a critical component of the central nervous system, extends from the base of the brainstem to the lumbar region of the vertebral column. It is essential for maintaining physical stability and facilitating communication between the brain and peripheral parts of the body.
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Neurogenesis and Regeneration of Nervous Tissue01:15

Neurogenesis and Regeneration of Nervous Tissue

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In the CNS, neurogenesis, the birth of new neurons from stem cells, is limited to the hippocampus in adults. In other regions of the brain and spinal cord, neurogenesis is almost non-existent due to inhibitory influences from neuroglia, especially oligodendrocytes, and the absence of growth-stimulating cues. The myelin produced by oligodendrocytes in the CNS inhibits neuronal regeneration. Furthermore, astrocytes proliferate rapidly after neuronal damage, forming scar tissue that physically...
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Spinal Cord: Cross-sectional Anatomy01:16

Spinal Cord: Cross-sectional Anatomy

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The cross-sectional anatomy of the spinal cord offers a detailed view of its complex structure and function within the central nervous system. At the core of the spinal cord lies the gray matter, characterized by its butterfly or "H"-shaped appearance in cross-section. This central region is enveloped by white matter, with the overall structure divided into symmetrical halves by the dorsal median sulcus and the ventral median fissure.
Gray Matter and its Components
Central to the gray matter is...
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Traumatic Brain Injury l: Introduction01:28

Traumatic Brain Injury l: Introduction

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DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...
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Updated: Apr 25, 2026

A Novel Vertebral Stabilization Method for Producing Contusive Spinal Cord Injury
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Beyond One Size Fits All: Identifying Distinct Resilience Profiles in Spinal Cord Injury.

Angela Hanks Philippus1, Mary D Sammel2, Allan V Prochazka3

  • 1Department of Rehabilitation Medicine, University of Minnesota Medical School, Minneapolis, Minnesota.

Topics in Spinal Cord Injury Rehabilitation
|April 24, 2026
PubMed
Summary
This summary is machine-generated.

Distinct resilience patterns exist in spinal cord injury (SCI) survivors, influencing life satisfaction and depression. Identifying these resilience profiles can guide personalized interventions for better adaptation after SCI.

Keywords:
depressionlatent class analysisquality of liferehabilitationresiliencespinal cord injury

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Area of Science:

  • Rehabilitation Medicine
  • Psychology
  • Public Health

Background:

  • Resilience is crucial for adaptation after spinal cord injury (SCI), but its definition and measurement lack consensus.
  • Current unidimensional approaches may overlook complex resilience patterns vital for targeted interventions.

Purpose of the Study:

  • To identify distinct subgroups of individuals with SCI based on resilience patterns using latent class analysis (LCA).
  • To examine associations between these resilience patterns and demographic, injury-related, and psychosocial factors.

Main Methods:

  • A cross-sectional analysis of 10,634 adults with SCI from the National SCI Model System Database.
  • Latent class analysis (LCA) was used to identify resilience patterns based on the Spinal Cord Injury-Quality of Life Resilience short form (SCI-QOL-R-SF).
  • Logistic and linear regression models assessed factors related to class membership and the impact of resilience classes on life satisfaction and depression.

Main Results:

  • A 3-class solution emerged: high (40.5%), medium (38.4%), and low (21.1%) resilience.
  • Resilience class membership was predicted by sex, age, employment, self-care, health status, time since injury, and social support.
  • Resilience class was the strongest predictor of life satisfaction (14% variance) and depression symptoms (12.2% variance).

Conclusions:

  • Distinct resilience patterns significantly predict psychosocial outcomes in individuals with SCI.
  • Tailored interventions addressing specific resilience profiles can improve life satisfaction and reduce depression in the SCI population.