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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...
Hemorrhagic Stroke l: Introduction01:17

Hemorrhagic Stroke l: Introduction

A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...
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...
Hepatic Encephalopathy01:29

Hepatic Encephalopathy

DefinitionHepatic encephalopathy is a reversible neurologic syndrome that results from advanced liver dysfunction or portosystemic shunting. It leads to disturbances in cognition, behavior, and motor function due to the brain’s exposure to gut-derived toxins that the liver fails to detoxify.EtiologyThis condition develops either in the setting of acute fulminant hepatitis or progressively during chronic liver disease, such as cirrhosis and portal hypertension. Portosystemic shunting—including...
Increased Intracranial Pressure l: Introduction01:14

Increased Intracranial Pressure l: Introduction

Intracranial hypertension is a sustained elevation of intracranial pressure (ICP) above 22 mm Hg. In supine adults, normal ICP is ~7–15 mm Hg.The rigid, nonexpandable cranium contains three components—brain tissue, blood, and cerebrospinal fluid (CSF)—that total ~1,700 mL in a typical adult: 1,400 mL brain (~80%), 150 mL blood (~10%), and 150 mL CSF (~10%). According to the Monro–Kellie doctrine, total intracranial volume is effectively fixed. When one component expands, CSF and venous blood...

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Related Experiment Video

Updated: Jul 5, 2026

Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model
09:14

Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model

Published on: June 18, 2021

[Associated severe head injury].

I Ivanov, A Petkov, T Eftimov

    Khirurgiia
    |May 8, 2008
    PubMed
    Summary
    This summary is machine-generated.

    Severe head injuries in multitrauma patients often lead to poor outcomes, especially when combined with pulmonary injury. Understanding associated injuries is crucial for effective neurosurgical management and improving patient survival rates.

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    Published on: January 20, 2023

    A Bedside, Single Burr Hole Approach to Multimodality Monitoring in Severe Brain Injury
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    A Bedside, Single Burr Hole Approach to Multimodality Monitoring in Severe Brain Injury

    Published on: March 26, 2019

    Related Experiment Videos

    Last Updated: Jul 5, 2026

    Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model
    09:14

    Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model

    Published on: June 18, 2021

    Assessing Changes in Synaptic Plasticity Using an Awake Closed-Head Injury Model of Mild Traumatic Brain Injury
    09:49

    Assessing Changes in Synaptic Plasticity Using an Awake Closed-Head Injury Model of Mild Traumatic Brain Injury

    Published on: January 20, 2023

    A Bedside, Single Burr Hole Approach to Multimodality Monitoring in Severe Brain Injury
    06:18

    A Bedside, Single Burr Hole Approach to Multimodality Monitoring in Severe Brain Injury

    Published on: March 26, 2019

    Area of Science:

    • Neurosurgery
    • Trauma Surgery
    • Emergency Medicine

    Background:

    • Head and spinal cord injuries rarely occur in isolation.
    • Multitrauma patients require a priority-based assessment and treatment approach.
    • Neurosurgical management of head injuries in multitrauma patients presents unique challenges.

    Purpose of the Study:

    • To investigate the incidence, diagnosis, and treatment of head injuries in multitrauma patients.
    • To analyze the outcomes of severe head injuries in the context of multiple trauma.
    • To highlight the importance of understanding associated injuries in multitrauma cases.

    Main Methods:

    • Retrospective review of 45 multitrauma patients with severe head injuries.
    • Assessment using the Glasgow Coma Scale (GCS) and Glasgow Outcome Scale (GOS).
    • All patients underwent CT scans; 32 required surgical intervention.

    Main Results:

    • High mortality rate: 29 deaths, 4 vegetative states, 8 complete recoveries.
    • Pulmonary injury significantly increased mortality in severe head injury patients.
    • Outcomes varied widely based on injury patterns and treatment.

    Conclusions:

    • Associated injuries pose a significant challenge, exacerbated by increasing road traffic accidents.
    • Familiarity with multitrauma protocols enhances neurosurgeons' understanding of multisystem injury interrelationships.
    • Effective diagnostic and treatment sequencing is vital for managing associated head injuries in multitrauma.