• Alexis M Gage, Neal Traven, Frederick P Rivara, Gregory J Jurkovich, and Saman Arbabi.
• Department of Surgery, Harborview Medical Center, University of Washington, Seattle, WA 98104, USA.
• J. Am. Coll. Surg.. 2012 Jul 1;215(1):148-54; discussion 154-6.

BackgroundRegionalization of trauma care reduces mortality and has clear guidelines for transport to the highest level of trauma care. Whether prehospital providers follow the CDC triage algorithm remains to be determined.Study DesignWe performed a 5-year retrospective cohort analysis of linked data from Washington State's Central Region Trauma Registry (CRTR) and King County Emergency Medical Services (KCEMS). Patients were analyzed based on transport to their designated hospital, as determined by geocode mapping, or directly to the level I center (no level II center is available in this region).ResultsOf the 12,106 patients in the study, 5,976 (49.4%) were transported directly to a level I center from the scene. Of the remaining 6,130 patients initially transported to level III to V centers, 5,024 (41.5%) remained in the respective level III to V centers and 1,106 (9.1%) were transferred to the level I center. Patients transported directly to a level I center were more likely to be male, younger, have a penetrating injury, lower scene Glasgow Coma Scale (GCS), lower scene blood pressure, and be more severely injured. Level I direct scene transport was significantly less likely for older patients. Compared with patients ages 18 to 45, the adjusted odds ratio for direct transport to the level I center was 0.7 (95% CI 0.59 to 0.83) for patients aged 46 to 55 years; 0.47 (95% CI 0.39 to 0.57) for those 56 to 65 years; 0.28 (95% CI 0.23 to 0.34) for patients 66 to 80 years; and 0.11 (95% CI 0.09 to 0.14) for those older than 81 years.ConclusionsPrehospital providers follow physiologic, anatomic, and mechanistic parameters in steps 1 to 3 of the CDC field triage guidelines. However, contrary to the special considerations guideline in step 4, older age was associated with transport to the lower level of trauma care in our region.Copyright © 2012. Published by Elsevier Inc.

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