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Lesyk N, Kirkland SW, Villa-Roel C, et al. Interventions to Reduce Imaging in Children With Minor Traumatic Head Injury: A Systematic Review. Pediatrics. 2024 Nov 1:e2024066955. doi: 10.1542/peds.2024-066955. (Systematic review)
Abstract

CONTEXT: Reducing unnecessary imaging in emergency departments (EDs) for children with minor traumatic brain injuries (mTBIs) has been encouraged.

OBJECTIVE: Our objective was to systematically review the effectiveness of interventions to decrease imaging in this population.

DATA SOURCES: Eight electronic databases and the gray literature were searched.

STUDY SELECTION: Comparative studies assessing ED interventions to reduce imaging in children with mTBIs were eligible.

DATA EXTRACTION: Two independent reviewers screened studies, completed a quality assessment, and extracted data. The median of relative risks with interquartile range (IQR) are reported. A multivariable metaregression identified predictors of relative change in imaging.

RESULTS: Twenty-eight studies were included, and most (79%) used before-after designs. The Pediatric Emergency Care Applied Research Network (PECARN) rule was the most common intervention (71%); most studies (75%) used multifaceted interventions (median components: 3; IQR: 1.75 to 4). Before-after studies assessing multi-faceted PECARN interventions reported decreased computed tomography (CT) head imaging (relative risk = 0.73; IQR: 0.60 to 0.89). Higher baseline imagine (P < .001) and additional intervention components (P = .008) were associated with larger imaging decreases.

LIMITATIONS: The limitations of this study include the inconsistent reporting of important outcomes and that the results are based on non-randomized studies.

CONCLUSIONS: Implementing interventions in EDs with high baseline CT ordering using complex interventions was more likely to reduce head imaging in children with mTBIs. Including the PECARN decision rule in the intervention strategy decreased orders by a median of 27%. Further research could provide insight into which specific factors influence successful implementation and sustained effects.

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Physician 5 / 7
Comments from MORE raters

Physician rater

Reducing imaging in children is an important initiative. Emergency physicians commonly face the challenge of whether to obtain a head CT scan. Although this manuscript reviews several published studies, many important outcomes are not included making it harder to draw a meaningful conclusion. The PECARN decision rule has impacted reducing imaging in children. Further research is required to address this important clinical question.

Physician rater

Adds some support for using the PECARN head injury criteria, but it is widely used already.

Physician rater

Important to reduce unnecessary radiation exposure in young children.

Physician rater

This study confirms the clinical feeling that head CT could be reduced in the mild TBI and highlights that clinicians should consider carefully our imaging practices and stay up-to-date with local guideline. It must be noted that the evidence came mainly from the USA, so generalization to other countries must be put into context.
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