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Related Concept Videos

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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Flail Chest-II01:26

Flail Chest-II

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Managing flail chest, a condition characterized by a segment of the chest wall moving independently from the rest of the thoracic cage, requires a comprehensive approach. It includes a thorough assessment of the patient's condition, a diagnostic evaluation to determine the extent of the injury, and the implementation of appropriate medical interventions tailored to the individual's needs.
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Cellular Injury II: Classification01:21

Cellular Injury II: Classification

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Cellular injury is any process that disrupts a cell’s ability to maintain homeostasis, leading to structural or functional changes. It is broadly classified based on etiology (cause) and mechanism of damage.Classification by EtiologyCellular injury may result from several causes. Hypoxic injury happens due to reduced oxygen delivery, most commonly from inadequate blood supply, such as arterial obstruction; for example, coronary artery thrombosis can cause myocardial infarction. Chemical...
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Acute Inflammation II: Local and Systemic Effects01:25

Acute Inflammation II: Local and Systemic Effects

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Acute inflammation produces a coordinated set of local and systemic changes that limit injury, eliminate pathogens, and initiate repair. These responses arise within minutes of infection, trauma, or chemical insult and are driven by vascular alterations and leukocyte-derived mediators. When the stimulus resolves, the reaction typically abates within days.Local EffectsAt the site of injury, arteriolar vasodilation increases blood flow, resulting in redness and warmth. Simultaneously, increased...
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Hemorrhagic Stroke ll: Pathophysiology01:29

Hemorrhagic Stroke ll: Pathophysiology

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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...
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Cellular Injury I: Introduction01:00

Cellular Injury I: Introduction

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Cellular injury occurs when a cell cannot maintain homeostasis or adapt to stressors such as hypoxia, toxins, or trauma. Depending on severity and duration, injury may be reversible, allowing recovery, or irreversible, leading to cell death.General Mechanisms of Cell InjuryAlthough causes vary, most cellular injuries arise from a few key mechanisms that disrupt essential functions and often amplify one another. Cell survival depends on the extent and balance of these disturbances.ATP depletion...
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Systems Analysis of the Neuroinflammatory and Hemodynamic Response to Traumatic Brain Injury
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Trauma system overtriage: are we on track?

Zoe Fullerton1, Graham W Donald, Henry G Cryer

  • 1David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA.

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Summary

Trauma overtriage rates in a Level I center were evaluated, finding them compliant with American College of Surgeons recommendations. Specific triage criteria, like passenger space intrusion, require adjustment to improve efficiency.

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Area of Science:

  • Trauma Surgery
  • Emergency Medicine
  • Public Health

Background:

  • The American College of Surgeons (ACS) recommends trauma overtriage (OT) rates below 50% for optimal trauma care efficiency.
  • Evaluating overtriage rates is crucial for trauma center performance assessment.

Purpose of the Study:

  • To assess overtriage rates at a Level I trauma center using current ACS criteria and guidelines.
  • To identify specific triage mechanisms contributing to overtriage.

Main Methods:

  • Retrospective analysis of trauma activations over a 12-month period.
  • Measured overtriage rates using six definitions combining Injury Severity Score (ISS), length of hospital stay (LOS), procedures, and disposition.
  • Analyzed reasons for trauma activation, including criteria, guidelines, and paramedic judgment.

Main Results:

  • Overtriage rates ranged from 22.6% to 48.2%, remaining within ACS recommended limits.
  • Physiologic assessment and anatomic injury criteria demonstrated the lowest overtriage rates and captured all mortalities.
  • Passenger space intrusion, pedestrian versus automobile incidents, and extrication scenarios showed consistently high overtriage rates.

Conclusions:

  • The current trauma triage scheme is largely compliant with ACS recommendations.
  • Passenger space intrusion should be a guideline, pedestrian versus automobile criteria should be combined, and extrication may be removed from the triage scheme to enhance efficiency.