Validation of the “CHIIDA” and Application for PICU Triage in Children with Complicated Mild Traumatic Brain Injury
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In brief
In brief
External validation study confirms the CHIIDA tool accurately predicts need for neurosurgical intervention in children with complicated mild TBI (94% sensitivity, 69% specificity). However, using CHIIDA for PICU triage decisions would increase unnecessary ICU admissions by 71%, suggesting it performs better as a risk stratification tool than a direct triage instrument.
Written by the GCMD Library team from the article.
Background
The Children's Intracranial Injury Decision Aid (CHIIDA) was developed to predict which patients with complicated mild traumatic brain injury (cmTBI; GCS ≥13 with depressed skull fracture or intracranial injury) would achieve the composite outcome of neurosurgical intervention, intubation >24 h, or death. The study also explored the CHIIDA as a triage tool to determine need for PICU care. The purpose of this study is to externally validate the CHIIDA and assess its effects on PICU triage.
Methods
Retrospective cohort study (January 2016 to December 2017) to validate the CHIIDA to predict the composite outcome and assess its effects as a PICU triage tool at a level 1 pediatric trauma center.
Results
Of 345 patients with cmTBI, the composite outcome occurred in 16 patients (4.6%). At a cutoff score of 2, the CHIIDA predicted the composite outcome with a sensitivity of 94% (95% CI 67–99%) and specificity of 69% (95% CI 64–74%), similar to the original study. Using the same cutoff score for PICU triage resulted in 48 (71%) more patients admitted to PICU.
Conclusions
In our cohort, the CHIIDA predicted the composite outcome well. If applied as a triage tool, it would have resulted in increased unnecessary PICU admissions.
Level of Evidence
Level III, prognosis