• Jeffrey L Jarvis, Dustin Barton, and Henry Wang.
• Williamson County EMS, 3189 SE Inner Loop, Georgetown, TX 78626, United States; Baylor Scott & White Healthcare, Temple, TX 78683, United States. Electronic address: jjarvis@wilco.org.
• Resuscitation. 2018 Sep 1; 130: 57-60.

BackgroundWe sought to characterize the number of attempts required to achieve advanced airway management (AAM) success.MethodsUsing 4 years of data from a national EMS electronic health record system, we examined the following subsets of attempted AAM: 1) cardiac arrest intubation (CA-ETI), 2) non-arrest medical intubation (MED-ETI), 3) non-arrest trauma intubation (TRA-ETI), 4) rapid-sequence intubation (RSI), 5) sedation-assisted ETI (SAI), and 6) supraglottic airway (SGA). We determined the first pass and overall success rates, as well as the point of additional attempt futility ("plateau point").ResultsAmong 57,209 patients there were 64,291 AAM. CA-ETI performance was: first-pass success (FPS) 71.4% (95% CI: 70.9-71.9%), 4 attempts to reach 91.5% (91.2-91.9%) success plateau. MED-ETI performance was: FPS 66.0% (95% CI: 65.1-67.0%), 3 attempts to reach 79.2% (78.4-80.0%) success plateau. TRA-ETI performance was: FPS 61.6% (95% CI: 59.3-63.9%), 3 attempts to reach 75.8% (73.7-77.8%) success plateau. RSI performance was: FPS 76.1% (95% CI: 75.1-77.1%), 5 attempts to reach 95.8% (95.3-96.2%) success plateau. SAI performance was: FPS 66.9% (95% CI: 65.1-68.6%), 3 attempts to 85.3% (83.9-86.6%) success plateau. SGA performance was: FPS 88.7% (95% CI: 88.0-89.3%), 5 attempts to reach 92.8% (92.3-93.4%) success plateau.ConclusionMultiple attempts are often needed to accomplish successful AAM. The number of attempts needed to accomplish AAM varies with AAM technique. These results may guide AAM practices.Copyright © 2018 Elsevier B.V. All rights reserved.

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