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Related Concept Videos

Traumatic Memory01:20

Traumatic Memory

503
Emotionally traumatic events often lead to memories that are exceptionally vivid and enduring, sometimes persisting with remarkable clarity throughout an individual's life. A classic example of this phenomenon is a person who survives a car accident. Even years later, they may recall every detail of the event with startling accuracy — the screeching of the tires, the jarring impact, and the acrid smell of burning rubber. Such vividness contrasts sharply with how an individual...
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Post-traumatic Stress Disorder01:27

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Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium.
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events,...
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Updated: Jan 6, 2026

Development of an Uncomplicated Mild Traumatic Brain Injury Model Modified by Weight-Drop Method and Evidenced by Magnetic Resonance Imaging
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Published on: April 11, 2025

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Factors Associated With Persistent Symptoms Following Mild Traumatic Brain Injury.

W Frank Peacock1,2, Damon Kuehl3, Ramon Diaz-Arrastia4

  • 1Baylor College of Medicine, Houston, Texas.

JAMA Network Open
|October 17, 2025
PubMed
Summary
This summary is machine-generated.

Identifying early indicators for persistent symptoms after mild traumatic brain injury (mTBI) is crucial. Female sex, higher BMI, specific injury mechanisms, prior mental health diagnoses, and neurological deficits at presentation are associated with prolonged post-concussive symptoms.

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Area of Science:

  • Neurology
  • Emergency Medicine
  • Public Health

Background:

  • Traumatic brain injury (TBI) is a frequent emergency department presentation.
  • Identifying patients at risk for persistent symptoms (lasting >30 days) after mild TBI (mTBI) is clinically challenging.
  • Early identification of risk factors can guide management and improve patient outcomes.

Purpose of the Study:

  • To identify parameters associated with persistent symptoms in adult emergency department patients shortly after mild TBI.
  • To determine early clinical findings that predict the likelihood of 30-day post-concussive symptoms.

Main Methods:

  • Cohort analysis of the HeadSMART II dataset, including adult mTBI patients presenting within 24 hours of injury.
  • Primary outcome: mTBI symptoms persisting 30 days post-presentation, assessed using the Rivermead Post Concussion Symptoms Questionnaire.
  • Statistical analysis included Wilcoxon rank-sum and Fisher exact tests to identify associated parameters.

Main Results:

  • 803 mTBI patients were analyzed, with a median presentation time of 1.5 hours post-injury.
  • Factors associated with persistent 30-day symptoms included: female sex, elevated BMI, specific injury mechanisms (fall, vehicular crash, abuse), prior history of headaches/migraines, depression, anxiety, focal neurological deficits, headache at presentation, and multiple CT scans.
  • Odds ratios ranged from 1.03 (BMI) to 3.79 (vehicular crash).

Conclusions:

  • Several baseline characteristics identified at presentation are significantly associated with persistent post-concussive symptoms at 30 days after mTBI.
  • These findings aid in identifying at-risk individuals early in the emergency department.
  • Further research can refine predictive models for better patient stratification and targeted interventions.