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Updated: Jul 18, 2026

A Pediatric Concussion Model in Mice: Closed Head Injury with Long-Term Disorders (CHILD)
Published on: February 7, 2025
Pediatric minor traumatic brain injury
1Department of Pediatrics, Division of Pediatric Neurology, Dalhousie University and IWK Health Centre, Halifax, Nova Scotia, Canada. KEGOR@DAL.CA
Insights
Minor traumatic brain injury in children is common, with a low risk of neurosurgery and very low mortality. Most children experience no long-term cognitive or behavioral issues after concussion.
Area of Science:
- Pediatric Neurology
- Neurotraumatology
- Child Health
Background:
- Minor traumatic brain injury (mTBI) literature is complex and lacks standardized definitions.
- Annual mTBI rates in children exceed 200 per 100,000.
- Neurosurgical intervention is required in less than 1% of pediatric mTBI cases.
Purpose of the Study:
- To review the current understanding of pediatric minor traumatic brain injury.
- To identify risk factors for intracranial and neurosurgical injury.
- To outline prognosis and management strategies for pediatric concussion.
Main Methods:
- Literature review of studies on pediatric minor traumatic brain injury.
- Analysis of risk factors, mortality, and long-term sequelae.
- Synthesis of current recommendations for clinical management and recovery.
Main Results:
- Pediatric mTBI has low mortality (0-0.25%) and generally no long-term cognitive or behavioral deficits.
- Symptoms of concussion manifest in somatic, cognitive, sleep/fatigue, and affective domains.
- Recurrence risk for subsequent concussions is elevated, with limited evidence on prevention effectiveness.
Conclusions:
- A conservative approach is recommended for suspected pediatric concussions, including removal from activity and symptom monitoring.
- Gradual return to play is advised once symptoms resolve.
- Further research is needed to advance understanding and optimize recovery from pediatric mTBI.
Abstract:
The literature surrounding minor traumatic brain injury is complex, methodologically challenging, and controversial. Although we lack a consistent standardized definition, the annual rate is likely in excess of 200 per 100,000 children. The proportion of children with minor traumatic brain injury who will require neurosurgery is certainly <1%. Several studies are underway that have the potential to significantly advance our understanding of the specific risk factors for intracranial injury and more specifically neurosurgical injury. The mortality within children is very low, with estimates of 0% to 0.25%. Virtually all studies of the prognosis of minor brain injury in children have reported no long-term behavioral or cognitive sequelae as a specific result of the brain injury. Symptoms fall in 4 domains: somatic, cognitive, sleep/fatigue, and affective. Limited pediatric studies are available to assist clinicians in the prognosis or in optimizing recovery. Until further studies are available, a conservative approach is recommended. Children with suspected concussions should be removed from activity and observed. Children with symptomatic concussions must be limited to no physical activity. Adolescents and families need to self-monitor symptoms and limit environments or circumstances that exacerbate any symptoms. When symptoms resolve, a gradual progressive return to play is currently recommended. The recurrence risk for subsequent concussions is elevated, but there is limited documentation of the effectiveness of preventative efforts. Much remains to be learned.

