Pediatric head trauma: the evidence regarding indications for emergent neuroimaging
1Department of Emergency Medicine, UC Davis Medical Center, Sacramento, CA 95817, USA. nkuppermann@ucdavis.edu
Insights
Traumatic brain injury (TBI) in children is common, even with minor head trauma. New research aims to improve CT scan decisions, balancing TBI detection with reduced radiation exposure risks.
Area of Science:
- Pediatric Emergency Medicine
- Neurotrauma
- Radiology
Background:
- Traumatic brain injury (TBI) is a significant cause of childhood death and disability globally.
- Minor head trauma in children frequently leads to emergency department visits, with no validated tool to assess TBI risk.
- CT scan use has increased, aiding TBI detection but raising concerns about radiation exposure.
Purpose of the Study:
- To address the lack of accurate clinical scoring systems for TBI risk in children with minor head trauma.
- To guide appropriate CT scan criteria for children with minor blunt head trauma.
- To balance early TBI identification with minimizing unnecessary radiation exposure.
Main Methods:
- Analysis of large, multi-center studies on childhood head trauma.
- Evaluation of current evidence guiding CT scan decisions in pediatric minor head trauma.
- Development of a foundation for evidence-based CT imaging guidelines.
Main Results:
- Limited current evidence exists for precise CT scan criteria in minor pediatric head trauma.
- Large multi-center studies offer new data to inform clinical decision-making.
- Improved guidelines can aid timely TBI identification and reduce radiation risks.
Conclusions:
- There is a critical need for validated tools to assess TBI risk in children with minor head trauma.
- Recent large-scale studies provide crucial evidence for refining CT scan protocols.
- Evidence-based guidelines are essential for optimizing TBI diagnosis while mitigating radiation risks.
Abstract:
Traumatic brain injury (TBI) is a leading cause of childhood death and disability worldwide. In the United States, childhood head trauma results in approximately 3,000 deaths, 50,000 hospitalizations, and 650,000 emergency department (ED) visits annually. Children presenting to the ED with seemingly minor head trauma account for approximately one-half of children with documented TBIs. Despite the frequency and importance of childhood minor head trauma, there exists no highly accurate, reliable and validated clinical scoring system or prediction rule for assessing risk of TBI among those with minor head trauma. At the same time, use of CT scanning in these children in recent years has increased substantially. The major benefit of CT scanning is early identification (and treatment) of TBIs that might otherwise be missed and result in increased risk of morbidity and mortality. Unnecessary CT imaging, however, exposes the child needlessly to the risk of radiation-induced malignancies. What constitutes appropriate criteria for obtaining CT scans in children after minor blunt head trauma remains controversial. Current evidence to guide clinicians in this regard is limited; however, large studies performed in multi-center research networks have recently been conducted. These studies should provide the foundation of evidence to guide CT decisions by clinicians, help identify TBIs in a timely fashion, and reduce unnecessary radiation exposure.
