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Comparing CATCH, CHALICE and PECARN clinical decision rules for paediatric head injuries
Mark D Lyttle1, Louise Crowe, Ed Oakley
1Emergency Department, Royal Children's Hospital, Melbourne, Australia. mark.lyttle@uhbristol.nhs.uk
Emergency Medicine Journal : EMJ
|February 1, 2012
Summary
Clinical decision rules (CDRs) for pediatric head injury (HI) help identify children needing CT scans. Three high-quality CDRs (CATCH, CHALICE, PECARN) exist, but require further validation and comparison for optimal implementation.
Area of Science:
- Pediatric Emergency Medicine
- Diagnostic Accuracy
- Clinical Decision Support
Background:
- Head injury (HI) is common in children presenting to emergency departments.
- Increased cranial CT use in pediatric HI lacks standardized decision-making tools.
- Clinical decision rules (CDRs) for pediatric HI exist but require comparative analysis.
Purpose of the Study:
- To compare the three highest quality and accuracy pediatric head injury clinical decision rules (CDRs).
- To inform the selection and implementation of appropriate CDRs for pediatric head injury management.
Main Methods:
- Systematic search for pediatric HI CDRs published after 2011.
- Quality assessment using the Quality Assessment of Diagnostic Accuracy Studies (QUADAS) Tool.
- Performance evaluation based on reported accuracy metrics.
Main Results:
- Identified three high-quality CDRs: CATCH, CHALICE, and PECARN.
- CDRs vary in study populations, outcomes, severity, and predictor variables.
- PECARN is the only validated CDR; none have undergone impact analysis.
Conclusions:
- CATCH and CHALICE identify children needing CT; PECARN identifies those who do not.
- All CDRs demonstrate high sensitivity and low specificity.
- Further validation and impact analysis of these CDRs are crucial for clinical implementation.
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