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Published on: May 9, 2013
Cervical Spine Injury Risk Factors in Children With Blunt Trauma
Julie C Leonard1, Lorin R Browne2, Fahd A Ahmad3
1Departments of Pediatrics and julie.leonard@nationwidechildrens.org.
Insights
Developing new prediction rules for pediatric cervical spine injury (CSI) is crucial. A de novo model showed higher sensitivity and specificity than a retrospective model for identifying CSI risk factors in children.
Area of Science:
- Pediatric Emergency Medicine
- Trauma Surgery
- Radiology
Background:
- Adult cervical spine injury (CSI) prediction rules exist, but pediatric-specific guidelines are lacking.
- Pediatric blunt trauma patients require accurate risk stratification for CSI.
- Existing adult rules may not effectively translate to pediatric populations.
Purpose of the Study:
- To evaluate the accuracy of retrospectively identified CSI risk factors in a prospective pediatric cohort.
- To compare the performance of a retrospective risk model against a newly developed de novo risk model for pediatric CSI.
- To identify key risk factors for cervical spine injury in children.
Main Methods:
- A 4-center, prospective observational study involving children (0-17 years) with blunt trauma.
- Emergency department providers documented CSI risk factors; CSIs were confirmed via imaging and follow-up.
- Statistical analysis included bivariable relative risks, multivariable odds ratios, and test characteristics for both models.
Main Results:
- Of 4091 children, 74 (1.8%) sustained CSIs.
- Fourteen factors were associated with pediatric CSIs, including diving, neck pain, and altered mental status.
- The retrospective model achieved 90.5% sensitivity and 45.6% specificity; the de novo model showed 92.0% sensitivity and 50.3% specificity.
Conclusions:
- Previously identified pediatric CSI risk factors were supported by this study.
- The findings support the development of prospective pediatric CSI prediction rules.
- A de novo risk model demonstrates improved accuracy for pediatric cervical spine injury detection.
Background:
Adult prediction rules for cervical spine injury (CSI) exist; however, pediatric rules do not. Our objectives were to determine test accuracies of retrospectively identified CSI risk factors in a prospective pediatric cohort and compare them to a de novo risk model.
Methods:
We conducted a 4-center, prospective observational study of children 0 to 17 years old who experienced blunt trauma and underwent emergency medical services scene response, trauma evaluation, and/or cervical imaging. Emergency department providers recorded CSI risk factors. CSIs were classified by reviewing imaging, consultations, and/or telephone follow-up. We calculated bivariable relative risks, multivariable odds ratios, and test characteristics for the retrospective risk model and a de novo model.
Results:
Of 4091 enrolled children, 74 (1.8%) had CSIs. Fourteen factors had bivariable associations with CSIs: diving, axial load, clotheslining, loss of consciousness, neck pain, inability to move neck, altered mental status, signs of basilar skull fracture, torso injury, thoracic injury, intubation, respiratory distress, decreased oxygen saturation, and neurologic deficits. The retrospective model (high-risk motor vehicle crash, diving, predisposing condition, neck pain, decreased neck mobility (report or exam), altered mental status, neurologic deficits, or torso injury) was 90.5% (95% confidence interval: 83.9%-97.2%) sensitive and 45.6% (44.0%-47.1%) specific for CSIs. The de novo model (diving, axial load, neck pain, inability to move neck, altered mental status, intubation, or respiratory distress) was 92.0% (85.7%-98.1%) sensitive and 50.3% (48.7%-51.8%) specific.
Conclusions:
Our findings support previously identified pediatric CSI risk factors and prospective pediatric CSI prediction rule development.
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