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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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Increased Intracranial Pressure ll: Pathophysiology01:29

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Increased intracranial pressure (ICP) refers to a potentially life-threatening rise in pressure inside the skull. This usually happens when there is a major change in the volume of brain tissue, blood, or cerebrospinal fluid (CSF) — the three components inside the skull. According to the Monro-Kellie doctrine, if the volume of one component increases, the volumes of the other components must decrease to maintain normal pressure. If this does not happen, ICP rises.The process often begins...
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Hemorrhagic Stroke ll: Pathophysiology01:29

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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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Related Experiment Video

Updated: May 4, 2026

A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact
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Helmet use is associated with a decrease in intracranial hemorrhage following all-terrain vehicle crashes.

Jack W Rostas1, Kimberly A Donnellan, Richard P Gonzalez

  • 1From the Department of Surgery (J.W.R., K.A.D., R.P.G., S.B.B., J.D.S.), University of South Alabama, Mobile, Alabama; and Department of Surgery (N.A., E.A.R., J.S., J.M.P., W.H.R.), University of Mississippi Medical Center, Jackson, Mississippi.

The Journal of Trauma and Acute Care Surgery
|December 26, 2013
PubMed
Summary
This summary is machine-generated.

All-terrain vehicle (ATV) injuries are a growing concern. This study found that helmet use significantly reduces the risk of head injuries and loss of consciousness in ATV crashes. Stricter helmet laws could protect riders.

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Area of Science:

  • Trauma Surgery
  • Public Health
  • Emergency Medicine

Background:

  • Increasing size and power of all-terrain vehicles (ATVs) necessitate identification of preventable injuries.
  • Lack of state regulations on ATV and helmet use poses risks to riders.
  • Protecting a growing ATV user population requires understanding injury patterns.

Purpose of the Study:

  • To identify preventable injuries associated with all-terrain vehicle (ATV) use.
  • To analyze factors contributing to ATV-related trauma.
  • To inform legislative efforts for enhanced rider safety.

Main Methods:

  • Retrospective review of 481 patients with ATV injuries from 2005-2010.
  • Data analysis included age, weight, crash conditions (night), substance abuse, and helmet use.
  • Prognostic study, level III evidence.

Main Results:

  • Only 8% of patients used helmets; helmet use correlated with less intracranial hemorrhage and loss of consciousness.
  • Substance abuse (alcohol/drugs) was linked to higher rates of intracranial hemorrhage, facial/rib fractures, and severe injury (ISS).
  • Intoxicated patients were more likely to crash at night and require intubation.

Conclusions:

  • A high incidence of intracranial hemorrhage occurs in helmetless ATV crashes.
  • Legislative action for mandatory helmet use on ATVs is strongly indicated.
  • Understanding risk factors like substance abuse is crucial for ATV safety initiatives.