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Updated: Oct 4, 2025

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
Relationship Between CT Head Findings and Long-term Recovery in Children with Complicated Mild Traumatic Brain Injury
Colby Hansen1, Laura C Waller2, Dalton Brady1
1Department of Physical Medicine & Rehabilitation, University of Utah, Salt Lake City, Utah, USA.
Insights
For complicated mild traumatic brain injury (C-mTBI) in children, multiple hemorrhagic contusions on CT scans may indicate poorer recovery. Other imaging findings did not significantly predict recovery outcomes in this study.
Area of Science:
- Pediatric Traumatology
- Neuroimaging
- Clinical Outcomes Research
Background:
- Complicated mild traumatic brain injury (C-mTBI) involves CT-positive findings in clinically mild TBI cases.
- Understanding predictors of recovery in pediatric C-mTBI is crucial for patient management.
Purpose of the Study:
- To investigate the association between CT head findings and recovery outcomes in pediatric C-mTBI patients.
- To identify specific imaging patterns that correlate with the degree and duration of recovery.
Main Methods:
- Retrospective chart review and survey of 77 pediatric C-mTBI patients.
- Logistic regression analysis was used to correlate CT findings with recovery metrics.
Main Results:
- A trend suggested older children had a higher odds of incomplete recovery (OR=1.14, p=0.072).
- Multiple hemorrhagic contusions showed a trend towards higher odds of incomplete recovery (OR=6.26, p=0.054) and longer recovery duration (OR=8.14, p=0.079).
- No other CT imaging patterns significantly predicted recovery outcomes.
Conclusions:
- Multiple hemorrhagic contusions may be a predictor of poorer recovery in pediatric C-mTBI.
- Most CT imaging abnormalities in pediatric C-mTBI do not appear to significantly impact recovery degree or duration.
- Larger cohort studies are recommended to further validate these findings.
Primary Objective:
Complicated mild traumatic brain injury (C-mTBI) refers to CT positive patients with clinically mild TBI. This study investigates the association between CT head findings at time of injury and recovery of paediatric patients with C-mTBI.
Research Design:
Retrospective survey and chart review.
Methods:
For paediatric patients with C-mTBI (N = 77), CT findings associated with corresponding degree and lengths of recovery from C-mTBI using logistic regression analysis.
Results:
There was a trend that the odds of incomplete recovery at the time of survey was higher for older children than for younger children (OR = 1.14, 95% CI = 0.98-1.32, p = 0.072). There was a trend that the odds of incomplete recovery (OR = 6.26, 95% CI = 0.97-40.57, p = 0.054) and longer duration for recovery (OR = 8.14, 95% CI = 0.78-84.46, p = 0.079) was higher for children with multiple haemorrhagic contusions than those with single haemorrhagic contusion. No other imaging patterns predicted degree or length of recovery with statistical significance (p > 0.05).
Conclusions:
Other than the presence of multiple haemorrhagic contusions, no other pattern of imaging abnormality in paediatric C-mTBI appears to be associated with degree or length of recovery. Further studies with larger cohorts are encouraged.

