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Related Concept Videos

Traumatic Brain Injury l: Introduction01:28

Traumatic Brain Injury l: Introduction

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...
Hemorrhagic Stroke ll: Pathophysiology01:29

Hemorrhagic Stroke ll: Pathophysiology

A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...
Secondary Spinal Cord Injury llI: Pathophysiology01:25

Secondary Spinal Cord Injury llI: Pathophysiology

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...
Disorders of the Nervous Tissue01:28

Disorders of the Nervous Tissue

Nervous tissue is a vital component of the human body's communication system, enabling us to perceive and respond to stimuli. However, like all other tissues, it is vulnerable to disorders and diseases that can significantly impact our neurological functioning.
Homeostatic Imbalances:
Alzheimer's disease manifests as a gradual decline in memory and cognitive abilities, attributed to the buildup of amyloid plaques and neurofibrillary tangles in the brain.
Parkinson's disease arises from the...
Spinal Cord Injury ll: Pathophysiology01:14

Spinal Cord Injury ll: Pathophysiology

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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Updated: Jun 18, 2026

Systems Analysis of the Neuroinflammatory and Hemodynamic Response to Traumatic Brain Injury
07:21

Systems Analysis of the Neuroinflammatory and Hemodynamic Response to Traumatic Brain Injury

Published on: May 27, 2022

The Relationship between Traumatic Brain Injury and Systemic Health: Dissecting the Somatic and Neurological Effects.

Sachin Gulia1, Megha Thakur1, Vipin Kumar2

  • 1Department of Pharmacy, Sharda University, Knowledge Park III, Greater Noida, Uttar Pradesh, 201310, India.

Current Neurovascular Research
|June 17, 2026
PubMed
Summary

Traumatic brain injury (TBI) impacts multiple organ systems, not just the brain. Understanding these brain-systemic interactions is key to reducing TBI-related morbidity and mortality.

Keywords:
Chronic inflammationmultiorgan dysfunctionneuroinflammationneurological disorder.post-TBI complicationstraumatic brain injury

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Last Updated: Jun 18, 2026

Systems Analysis of the Neuroinflammatory and Hemodynamic Response to Traumatic Brain Injury
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Assessing Changes in Synaptic Plasticity Using an Awake Closed-Head Injury Model of Mild Traumatic Brain Injury
09:49

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Murine Model of Controlled Cortical Impact for the Induction of Traumatic Brain Injury
05:01

Murine Model of Controlled Cortical Impact for the Induction of Traumatic Brain Injury

Published on: August 16, 2019

Area of Science:

  • Neuroscience
  • Systemic Physiology
  • Trauma Research

Background:

  • Traumatic brain injury (TBI) is a significant cause of disability resulting from external forces.
  • TBI leads to acute damage, chronic neurodegeneration, and persistent neurological issues.
  • Evidence indicates TBI triggers systemic alterations in cardiovascular, respiratory, renal, gastrointestinal, and immune systems.

Purpose of the Study:

  • To review and synthesize current research on neurological and systemic complications post-TBI.
  • To evaluate evidence linking TBI to neurodegenerative cascades, organ dysfunction, and immune mechanisms.
  • To interpret findings from animal and human studies for mechanistic and clinical insights.

Main Methods:

  • Narrative integrative review of experimental and clinical studies.
  • Systematic evaluation of sources for neurodegeneration, organ dysfunction, and immune factors.
  • Contextual interpretation of findings from animal models and human studies.

Main Results:

  • TBI causes acute and chronic neurological deficits and affects peripheral organs.
  • Observed systemic alterations include cardiovascular instability, pulmonary dysfunction, renal hypoperfusion, gastrointestinal barrier disruption, hepatic cytotoxicity, and immune dysregulation.
  • Peripheral immune activation may exacerbate neuroinflammation and worsen neurological outcomes.

Conclusions:

  • Bidirectional brain-systemic interactions are crucial in TBI pathology, though not fully understood.
  • Systemic complications can amplify neuroinflammation and contribute to progressive neurological decline.
  • A multisystem approach is essential for understanding TBI and developing effective therapies.