Establishing a Consensus-Based Definition of Air Medical Transport Need for Rural Patients After Injury: Results from a Delphi Survey.
Prehospital Emergency Care · 2026-01-01 · Method & validation
Abstract
OBJECTIVES: Air medical transport (AMT) improves survival for selected trauma patients. Improving AMT triage is limited by a lack of evidence and a standardized definition for which patients and circumstances may warrant AMT. Our objective was to develop a consensus-based definition of AMT need. METHODS: We recruited a multidisciplinary, nationally representative panel with expertise in AMT from trauma surgery, anesthesiology, critical care, emergency medicine, and emergency medical services (EMS). Panelists were presented with criteria from the literature representing the potential for AMT need that included patient injuries, time-sensitive interventions, and system factors. Panelists voted over 4 rounds to refine and select (≥70% agreement) a final set of criteria using a web-based Delphi methodology, including potential criteria combinations. RESULTS: A total of 32 of 45 (71.1%) invited panelists agreed to participate. From 66 initial criteria, panelists reached consensus on 18 patient factors, 6 time-sensitive interventions, 3 system factors, and 7 combinations of criteria. Two key themes emerged: the need for specialized care from air medical crews that may not be available from ground ambulance clinicians, as well as overall prehospital time-savings. After narrative feedback and refinement to eliminate redundant and overlapping criteria, an algorithm for AMT need was developed along with a decision flow diagram suitable for educational dissemination. CONCLUSIONS: We developed a consensus-based definition of AMT need for trauma patients that can be operationalized for AMT triage. Further validation of this concept with patient outcomes and identifying implementation barriers will contribute to field deployment of a useful AMT triage tool for EMS clinicians.
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Tags
Helicopter & air ambulance · Rural & remote · Triage instruments
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