The Respiratory Rate: A Neglected Triage Tool for Pre-hospital Identification of Trauma Patients.

The Respiratory Rate: A Neglected Triage Tool for Pre-hospital Identification of Trauma Patients.

World J Surg. 2017 Dec 06;:

Authors: Yonge JD, Bohan PK, Watson JJ, Connelly CR, Eastes L, Schreiber MA

Abstract
BACKGROUND: Under-triaged trauma patients have worse clinical outcomes. We evaluated the capability of four pre-hospital variables to identify this population at the lowest level trauma activation (level 3).
METHODS: A retrospective review of adult trauma activations from 2004 to 2014 was completed. Pre-hospital vital signs and Glasgow Coma Scale were converted to categorical variables. Patients were under-triaged based on meeting current level 1 or 2 criteria, or requiring a pre-defined critical intervention. Logistic regression was used to determine the association between the pre-hospital variables and under-triaged patients. Odds ratios and 95% confidence intervals were calculated for a comprehensive model, grouping all causes of under-triage as a single unit, and 16 individual models, one for each under-triage criterion. A new level 2 criterion was generated and internally validated.
RESULTS: In total, 12,332 activations occurred during the study period. Four hundred and sixty-six (5.9%) patients were under-triaged. Compared to patients with a normal respiratory rate (RR), tachypneic patients were more likely to be under-triaged for any reason, OR 1.7 [1.3-2.1], p < 0.001. In the individual event analysis, tachypneic patients were more likely to have flail chest, OR 22 [2.9-168.3], p = 0.003; require a chest tube, OR 3 [1.8-4.9], p < 0.001; or require emergent intubation, OR 1.6 [1.1-2.8], p = 0.04, compared to patients with a normal RR. The data-driven triage modification was tachypnea with suspected thoracic injury which reduced the under-triage rate by 1.2%.
CONCLUSION: Tachypnea with suspected thoracic injury is the strongest level 2 triage modification to reduce level 3 under-triage.

PMID: 29214444 [PubMed - as supplied by publisher]

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