• Daniel P Davis, Justin Lemieux, John Serra, William Koenig, and Steve A Aguilar.
• UC San Diego Emergency Medicine, La Jolla, CA; Air Methods Corporation, Englewood, CO.
• Air Med. J. 2015 Mar 1; 34 (2): 82-5.

ObjectiveOxygen desaturation occurs frequently in the course of prehospital rapid sequence intubation (RSI) and is associated with increased morbidity and mortality. Preoxygenation with positive pressure ventilation by bag valve mask may delay the onset of desaturation. The purpose of this study was to evaluate implementation of a targeted preoxygenation protocol including the use of positive pressure ventilation on desaturation events and intubation success during air medical RSI.MethodsThe RSI air medical program airway training model was modified to target an oxygen saturation as measured by pulse oximetry value of ≥ 93% before initial laryngoscopy. A review of oxygen saturation as measured by pulse oximetry tracings was performed for 2 years before and 2 years after implementation of this protocol. The incidence of desaturation events and overall intubation success rates were compared before and after the intervention.ResultsOne hundred fifty-five RSI procedures were evaluated over the study period. Desaturation events decreased from 58% in the 2 years before algorithm changes to 28% in the first year and 14% in the second year after implementation (P < .01). Intubation success rates increased from 89% to 98% (P < .01). There were no self-reports of aspiration events during the study period.ConclusionA preoxygenation protocol dramatically reduced the incidence of desaturation events and increased intubation success without an increase in the number of reported aspiration events.Copyright © 2015 Air Medical Journal Associates. Published by Elsevier Inc. All rights reserved.

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