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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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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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Severe Traumatic Brain Injuries and Associated Outcomes at a Level 1 Trauma Center.

Bharti Sharma1,2, Tirth Patel1,2, Hasan Al-Ali3

  • 1Department of Surgery, NYC Health and Hospitals, Elmhurst, NY 11373, USA.

Biomedicines
|July 29, 2025
PubMed
Summary

Severe traumatic brain injury (TBI) outcomes depend on injury type, physiology, and socioeconomic factors. Understanding these elements is crucial for improving patient prognosis and trauma care preparedness.

Keywords:
brain injuryemergency departmentlength of staymechanismsmortalityseveritytrauma

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Area of Science:

  • Neuroscience
  • Trauma Surgery
  • Public Health

Background:

  • Severe traumatic brain injury (TBI) is a major cause of death and disability.
  • High-acuity trauma centers manage many TBI cases.
  • Factors influencing TBI outcomes require further investigation.

Purpose of the Study:

  • To evaluate clinical, physiologic, and socioeconomic factors impacting severe TBI outcomes.
  • To analyze data from a single urban Level 1 trauma center.

Main Methods:

  • Retrospective study of 1130 severe TBI patients (AIS Head ≥3) from 2020-2023.
  • Analysis of demographic data, injury characteristics, vital signs, and insurance status.
  • Statistical analysis of factors associated with mortality and morbidity.

Main Results:

  • Blunt trauma (97.8%) had 13.8% mortality; penetrating trauma (2.2%) had 48% mortality.
  • Lower systolic blood pressure, oxygen saturation, and GCS scores correlated with mortality.
  • Self-pay patients had the highest mortality (40%); intoxication showed no significant difference.

Conclusions:

  • Injury mechanisms, physiological status, and socioeconomic factors significantly influence severe TBI outcomes.
  • Findings highlight the need for better prognostic tools for TBI.
  • Improved trauma system preparedness is essential for at-risk TBI patients.