Neurologically-related sequelae associated with mild traumatic brain injury

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Updated: Apr 19, 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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Development of an Uncomplicated Mild Traumatic Brain Injury Model Modified by Weight-Drop Method and Evidenced by Magnetic Resonance Imaging

Published on: April 11, 2025

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Timothy S Webb1, Casserly R Whitehead, Timothy S Wells

  • 1Vulnerability Analysis Branch, Air Force Research Laboratory , Wright-Patterson AFB, OH , USA .

Brain Injury
|December 27, 2014
PubMed
Abstract

Insights

Mild traumatic brain injury (mTBI) is linked to long-term neurologic issues like epilepsy and chronic pain. These risks appear highest soon after injury but decrease over time.

Area of Science:

  • Neurology
  • Traumatology
  • Epidemiology

Background:

  • Mild traumatic brain injury (mTBI) constitutes over 75% of annual traumatic brain injuries.
  • Understanding the long-term effects of mTBI is crucial for patient outcomes.

Purpose of the Study:

  • To investigate the temporal relationship between non-blast mTBI and subsequent neurologic conditions.
  • To quantify the risk of post-concussive syndrome, epilepsy, and chronic pain following mTBI.

Main Methods:

  • A historical prospective study of over 500,000 US Air Force personnel.
  • Utilized diagnostic codes to identify mTBI, control groups, and post-injury timeframes.
  • Employed Cox proportional hazards modeling to calculate adjusted hazard ratios (HRs).

Main Results:

  • mTBI exposure was associated with increased risk of epilepsy, post-concussive syndrome, and pain disorders compared to other injuries.
  • The highest risk was observed within 30 days post-injury, with a subsequent decrease over time.
  • Hazard ratios varied depending on the comparison group (full cohort vs. other injured).

Conclusions:

  • mTBI can lead to prolonged neurological sequelae.
  • Findings are generalizable to young adult populations, including civilians, experiencing non-blast mTBI.
  • Highlights the need for continued monitoring and management of neurological health after mTBI.
Keywords:
Concussionmild brain injuryneurologicalpost-concussional syndrome.

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