• M Gellerfors, E Fevang, A Bäckman, A Krüger, S Mikkelsen, J Nurmi, L Rognås, E Sandström, G Skallsjö, C Svensén, D Gryth, and H M Lossius.
• Karolinska Institutet, Department of Clinical Science and Education, Section of Anaesthesiology and Intensive Care, Stockholm, Sweden; Swedish Air Ambulance (SLA), Mora, Sweden; Department of Anaesthesiology and Intensive Care, Södersjukhuset, Stockholm, Sweden; SAE Medevac Helicopter, Swedish Armed Forces, Linköping, Sweden. Electronic address: mikael.gellerfors@ki.se.
• Br J Anaesth. 2018 May 1; 120 (5): 1103-1109.

BackgroundPre-hospital tracheal intubation success and complication rates vary considerably among provider categories. The purpose of this study was to estimate the success and complication rates of pre-hospital tracheal intubation performed by physician anaesthetist or nurse anaesthetist pre-hospital critical care teams.MethodsData were prospectively collected from critical care teams staffed with a physician anaesthetist or a nurse anaesthetist according to the Utstein template for pre-hospital advanced airway management. The patients served by six ambulance helicopters and six rapid response vehicles in Denmark, Finland, Norway, and Sweden from May 2015 to November 2016 were included.ResultsThe critical care teams attended to 32 007 patients; 2028 (6.3%) required pre-hospital tracheal intubation. The overall success rate of pre-hospital tracheal intubation was 98.7% with a median intubation time of 25 s and an on-scene time of 25 min. The majority (67.0%) of the patients' tracheas were intubated by providers who had performed >2500 tracheal intubations. The success rate of tracheal intubation on the first attempt was 84.5%, and 95.9% of intubations were completed after two attempts. Complications related to pre-hospital tracheal intubation were recorded in 10.9% of the patients. Intubations after rapid sequence induction had a higher success rate compared with intubations without rapid sequence induction (99.4% vs 98.1%; P=0.02). Physicians had a higher tracheal intubation success rate than nurses (99.0% vs 97.6%; P=0.03).ConclusionsWhen performed by experienced physician anaesthetists and nurse anaesthetists, pre-hospital tracheal intubation was completed rapidly with high success rates and a low incidence of complications.Clinical Trial NumberNCT 02450071.Copyright © 2018 The Authors. Published by Elsevier Ltd.. All rights reserved.

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