• Acta Anaesthesiol Scand · May 2022

    Randomized Controlled Trial

    AuraGain™ versus i-gel™ for Bronchoscopic Intubation under Continuous Oxygenation: a Randomised Controlled Trial.

    • Christine N Svendsen, Charlotte V Rosenstock, Gine L Glargaard, Camilla Strøm, LangeKai H WKHWDepartment of Anaesthesiology and Intensive Care, Nordsjaellands Hospital, Hillerød, Denmark.Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark., and Lars H Lundstrøm.
    • Department of Anaesthesiology and Intensive Care, Nordsjaellands Hospital, Hillerød, Denmark.
    • Acta Anaesthesiol Scand. 2022 May 1; 66 (5): 589-597.

    IntroductionAfter failed mask ventilation and tracheal intubation, guidelines issued by the Difficult Airway Society recommend placing a second generation supraglottic airway device to secure oxygenation. Ultimately, a secure airway can be obtained by tracheal intubation through the supraglottic airway device using a bronchoscope. In this randomised trial, we compared the AuraGain™ with the i-gel™ as conduit for bronchoscopic intubation under continuous oxygenation performed by a group of anaesthesiologists with variable experience in a general population of patients.MethodWe randomised one hundred patients who were equally allocated to flexible bronchoscopic intubation through the i-gel™ or the AuraGain™. In a random order, 25 anaesthesiologists each performed four intubations, two using the i-gel™ and two using the AuraGain™. Our primary outcome was 'total time for airway management'; i.e. total time from manually reaching the SAD to successful FBI confirmed at the end of the first inspiratory downstroke on the capnography curve.ResultsIn total, 87% (95% CI, 79%-92%) of the patients were successfully intubated through the allocated supraglottic airway device. There was no difference in total time for airway management between the i-gel™ and the AuraGain™ (199 vs. 227 s, p = .076). However, there was a difference in time for placement of the i-gel™, compared to the AuraGain™, (37 vs. 54 s, p < .001). There were nine failed intubations in the AuraGain™ group compared to four in the i-gel™ group (p = .147).ConclusionWe found no difference in total time for airway management between using the i-gel™ and using the AuraGain™.© 2022 The Acta Anaesthesiologica Scandinavica Foundation. Published by John Wiley & Sons Ltd.

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