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Related Concept Videos

Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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Brain Imaging01:14

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Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
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Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
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Related Experiment Video

Updated: Jun 9, 2025

Advanced Diffusion Imaging in The Hippocampus of Rats with Mild Traumatic Brain Injury
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Outcomes after Traumatic Brain Injury with and Without Computed Tomography.

Ana Mikolić1,2, Shuyuan Shi1, William Panenka3,4,5

  • 1Department of Psychology, The University of British Columbia, Vancouver, Canada.

Journal of Neurotrauma
|October 29, 2024
PubMed
Summary
This summary is machine-generated.

Traumatic brain injury (TBI) patients with mild TBI (Glasgow Coma Scale 13-15) who received a head CT scan had similar outcomes to those who did not. Head CT scans did not significantly impact long-term recovery or symptom severity in mild TBI cases.

Keywords:
brain concussioncomputed tomographyoutcomes

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An Investigation of the Effects of Sports-related Concussion in Youth Using Functional Magnetic Resonance Imaging and the Head Impact Telemetry System
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Area of Science:

  • Neuroscience
  • Trauma Surgery
  • Public Health

Background:

  • Improved understanding of traumatic brain injury (TBI) often relies on cohort studies including patients requiring computed tomography (CT) scans.
  • Using CT head as an inclusion criterion may lead to an overestimation of poor outcomes in patients with mild TBI (Glasgow Coma Scale [GCS] 13-15).

Purpose of the Study:

  • To compare 6-month post-TBI outcomes in adults with mild TBI (GCS 13-15) who underwent a head CT scan versus those who did not.
  • To assess if requiring a head CT scan for study entry introduces selection bias in TBI outcome research.

Main Methods:

  • Secondary analysis of a clinical trial involving adults with mild TBI (GCS 13-15) in Vancouver, Canada.
  • Participants (n=493) were analyzed based on whether they received a head CT scan (negative findings) or no CT scan.
  • Outcomes assessed at 6 months included Glasgow Outcome Scale Extended (GOSE), Rivermead Post-Concussion Symptoms Questionnaire (RPQ), Patient Health Questionnaire (PHQ)-9, and Generalized Anxiety Disorder (GAD)-7.

Main Results:

  • Over half (55%) of participants received a head CT scan.
  • At 6 months, functional limitations (GOSE), severe post-concussion symptoms (RPQ), depression (PHQ-9), and anxiety (GAD-7) were comparable between the CT and no-CT groups.
  • Adjusted regression analysis showed slightly higher odds of worse functioning for the CT group (OR 1.4, 95% CI 1.0-2.0), but similar odds for other outcomes.

Conclusions:

  • Adults with mild TBI (GCS 13-15) who received a head CT scan generally have comparable outcomes to those who did not.
  • Excluding patients based on CT findings may not introduce significant selection bias in outcome research for mild TBI.