• E Brooke Lerner, Amy L Drendel, Jeremy T Cushman, Mohamed Badawy, Manish N Shah, Clare E Guse, and Arthur Cooper.
• Prehosp Emerg Care. 2017 Mar 1; 21 (2): 180-184.

BackgroundThere is limited research on how well the American College of Surgeons/Center for Disease Control and Prevention Guidelines for Field Triage of Injured Patients assist EMS providers in identifying children who need the resources of a trauma center.ObjectiveTo determine the accuracy of the Physiologic Criteria (Step 1) of the Field Triage Guidelines in identifying injured children who need the resources of a trauma center.MethodsEMS providers who transported injured children 15 years and younger to pediatric trauma centers in 3 mid-sized cities were interviewed regarding patient demographics and the presence or absence of each of the Field Triage Guidelines criteria. Children were considered to have needed a trauma center if they had non-orthopedic surgery within 24 hours, ICU admission, or died. This data was obtained through a structured hospital record review. The over- and under-triage rates and positive likelihood ratios (+LR) were calculated for the overall Physiologic Criteria and each individual criterion.ResultsInterviews were conducted for 5,610 pediatric patients; outcome data were available for 5,594 (99.7%): 5% of all patients needed the resources of a trauma center and 19% met the physiologic criteria. Using the physiologic criteria alone, 51% of children who needed a trauma center would have been under-triaged and 18% would have been over-triaged (+LR 2.8, 95% CI 2.4-3.2). Glasgow Coma Score (GCS) < 14 had a +LR of 14.3 (95% CI 11.2-18.3), with EMS not obtaining a GCS in 4% of cases. 54% of those with an EMS GCS < 14 had an initial ED GCS < 14. Abnormal respiratory rate (RR) had a +LR of 2.2 (95% CI 1.8-2.6), with EMS not obtaining a RR in 5% of cases. 41% of those with an abnormal EMS RR had an abnormal initial ED RR. Systolic blood pressure (SBP) < 90 had a +LR of 3.5 (95% CI 2.5-5.1), with EMS not obtaining a SBP in 20% of cases. SBP was not obtained for 79% of children <1 year, 46% 1-4 years, 7% 5-9 years, and 2% 10-15 years. A total of 19% of those with an EMS SBP < 90 had an initial ED SBP < 90.ConclusionsThe Physiologic Criteria are a moderate predictor of trauma center need for children. Missing or inaccurate vital signs may be limiting the predictive value of the Physiologic Criteria.

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