• Eric Boccio, Rashmeet Gujral, Michael Cassara, Teresa Amato, Benjamin Wie, Mary Frances Ward, and Jason D'Amore.
• Department of Emergency Medicine, North Shore University Hospital, Manhasset, NY, USA. Electronic address: ericboccio@gmail.com.
• Am J Emerg Med. 2015 May 1;33(5):708-12.

BackgroundNeedle-based cricothyrotomy is a common procedure for emergency department patients requiring an emergent surgical airway. Percutaneous transtracheal jet ventilation is well studied to provide oxygenation. We propose to combine these procedures into a novel, single, and sequential procedure.MethodsThis study was a prospective manikin/human cadaver procedural feasibility study performed at a medical education center. Forty-eight emergency medicine attending physicians and fellows performed the procedure on a single TraumaMan (Simulab Corporation, Seattle, WA), and 26 were randomly selected to perform the procedure on fresh, unfixed human cadavers. The procedure is as follows: 15 gauge/6F catheter-over-needle punctures cricothyroid membrane, needle is removed, and Enk oxygen flow modulator is attached to the catheter (start to oxygenation). The Enk set is detached, a guide wire introduced, and Seldinger cricothyrotomy is performed (oxygenation to cricothyrotomy). Start-to-oxygenation, oxygenation-to-cricothyrotomy, and start-to-cricothyrotomy times were recorded. Manikin procedures were verified by direct visualization, and cadaver procedures were verified by video laryngoscopy.ResultsAll attempts were included in data analysis, and there was a 100% first-pass success rate. For the manikin trials, median start-to-oxygenation, oxygenation-to-cricothyrotomy, and start-to-cricothyrotomy times with interquartile ranges were 11 (8.5-13), 48 (42-57), and 59 (53-69) seconds, respectively. For the cadaver trials, median start-to-oxygenation, oxygenation-to-cricothyrotomy, and start-to-cricothyrotomy times with interquartile ranges were 12 (10-15), 59 (47-76), and 71 (61-94) seconds, respectively. Student t tests showed significant differences in start-to-oxygenation and oxygenation-to-cricothyrotomy times (P < .01) within the manikin and cadaver groups.ConclusionPercutaneous transtracheal jet ventilation and needle-based Seldinger cricothyrotomy can be performed by emergency medicine physicians, and a single, sequential procedure may significantly reduce time to oxygenation for patients already undergoing surgical cricothyrotomy.Copyright © 2015 Elsevier Inc. All rights reserved.

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