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Updated: Sep 26, 2026

A Pediatric Concussion Model in Mice: Closed Head Injury with Long-Term Disorders (CHILD)
Published on: February 7, 2025
Developing experimental models to address traumatic brain injury in children
Mayumi L Prins1, David A Hovda
1Division of Neurosurgery, UCLA School of Medicine, Los Angeles, California 90095-7039, USA. mprins@mednet.ucla.edu
Insights
Traumatic brain injury (TBI) in children requires specialized models due to unique developmental factors. This review examines current pediatric TBI models and key considerations for future research.
Area of Science:
- Pediatric neurotrauma research
- Developmental neuroscience
- Injury modeling
Background:
- Traumatic brain injury (TBI) is a primary cause of death and disability in US children under 15.
- Pediatric TBI exhibits heterogeneity in incidence, causes, injury types, and mortality across age groups.
- Existing TBI models need adaptation for the unique aspects of pediatric brain injury.
Purpose of the Study:
- To review current developmental models for pediatric traumatic brain injury.
- To highlight critical considerations for modeling pediatric TBI.
- To inform the development of more accurate and relevant pediatric TBI research models.
Main Methods:
- Review of existing literature on TBI modeling techniques.
- Analysis of common TBI models: fluid percussion, weight drop, and controlled cortical impact.
- Identification of unique factors in pediatric brain injury research.
Main Results:
- Current TBI models (fluid percussion, weight drop, controlled cortical impact) are discussed.
- Key considerations for pediatric TBI modeling include age appropriateness, injury severity, recovery evaluation, plasticity, and anesthesia.
- Heterogeneity within the pediatric population necessitates tailored modeling approaches.
Conclusions:
- Accurate modeling of pediatric traumatic brain injury is crucial for understanding and treating this vulnerable population.
- Future research must address age-specific factors, injury nuances, and recovery metrics in TBI models.
- Developmental considerations are paramount for advancing pediatric neurotrauma research and improving outcomes.
Abstract:
Traumatic brain injury (TBI) is the leading cause of injury-related death and disability among children under the age of 15 years in the United States. Epidemiological studies have revealed that even within the pediatric population there are differences in incidence, gender differences, causes, types of injuries sustained, and mortality within age subdivisions. This heterogeneity must be taken into account when developing appropriate models to address TBI in children. This review explores the current developmental TBI models, including fluid percussion, weight drop, and controlled cortical impact. It also addresses unique considerations to modeling pediatric brain injury that require special attention when modeling and designing studies: age appropriateness, injury severity, evaluation of recovery, plasticity, and anesthesia.

