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Maximizing the sensitivity and specificity of pediatric trauma team activation criteria
M D Dowd1, C McAneney, M Lacher
1Division of Emergency Medicine, Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA. ddowd@cmh.edu
Insights
Standard trauma team activation (TTA) criteria are highly sensitive but not specific for identifying children needing resuscitation. Excluding mechanism-only criteria improves specificity while maintaining high sensitivity for pediatric trauma care.
Area of Science:
- Pediatric Emergency Medicine
- Trauma Surgery
- Clinical Outcomes Research
Background:
- Effective care for severely injured children necessitates rapid assembly of specialized pediatric trauma teams.
- Trauma team activation (TTA) criteria aim to efficiently identify children requiring resuscitation.
Purpose of the Study:
- To evaluate the sensitivity and specificity of standard TTA criteria in identifying pediatric patients who receive emergency department resuscitation.
- To assess the impact of including mechanism-based criteria on TTA accuracy.
Main Methods:
- A one-year study analyzed patients transported for trauma.
- Out-of-hospital medical control recorded TTA criteria met (physiologic, anatomic, mechanism).
- Sensitivity and specificity for resuscitation (e.g., volume restoration, intubation, surgery) were calculated.
Main Results:
- Of 492 patients, 179 met TTA criteria; 107 met mechanism criteria only.
- Resuscitation occurred in 54 patients (10.9%), none from the mechanism-only group.
- Standard TTA sensitivity was 98.1% and specificity was 71.2%; excluding mechanism criteria improved specificity to 95.7%.
Conclusions:
- TTA criteria including mechanism-only are not specific for identifying patients needing resuscitation.
- Utilizing only anatomic and physiologic criteria enhances specificity, reducing overtriage while maintaining high sensitivity for pediatric trauma patients.
Background:
Care of the severely injured child requires the rapid assembly of personnel trained in pediatric trauma care. Trauma team activation criteria, which are highly sensitive and maximally specific for identifying the child who requires resuscitation, are necessary to provide rapid care to all who need it, while using resources efficiently.
Objective:
To determine the sensitivity and specificity of the standard trauma team activation (TTA) criteria for identifying patients who receive resuscitation in the emergency department.
Methods:
A one-year study was conducted of all patients transported by emergency medical out-of-hospital services for a trauma-related complaint. For all patients, out-of-hospital medical control operators recorded whether patients met TTA criteria and, if so, which criteria were met. Criteria included standard physiologic, anatomic, and mechanism parameters. Sensitivity and specificity for the outcome of resuscitation (volume restoration, assisted ventilation or intubation, chest tube insertion/needle decompression, operative intervention) were calculated.
Results:
A total of 492 patients met the case definition. Two-thirds were male, the mean age was 8 years (+/-4.8 SD), and the Injury Severity Score was > or =15 in 9.3%. Trauma team activation criteria were met by 179 patients (36. 4%) and, of these, 107 met mechanism criteria only. A resuscitative intervention was received by 54 (10.9%) of the total and none in the mechanism-only group. Sensitivity and specificity of the TTA criteria for predicting receipt of a resuscitation procedure were 98. 1% and 71.2%, respectively. When mechanism criteria were excluded, the sensitivity remained 98.1% and the specificity increased to 95. 7%.
Conclusions:
Criteria for TTA that include patients who meet mechanism criteria only are not specific for identifying patients who receive a resuscitative intervention. Use of anatomic and physiologic criteria only results in an increase in specificity, thereby reducing overtriage while retaining a high sensitivity.
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