• Anaesthesia · Nov 2016

    Controlled Clinical Trial

    High-flow humidified nasal oxygenation vs. standard face mask oxygenation.

    • A Pillai, V Daga, J Lewis, M Mahmoud, M Mushambi, and D Bogod.
    • Anaesthetic Department, Royal Perth Hospital, Perth, Western Australia, Australia. aranipillai@doctors.org.uk.
    • Anaesthesia. 2016 Nov 1; 71 (11): 1280-1283.

    AbstractTen healthy volunteers received oxygen for 1 min, 2 min and 3 min at 10 l.min-1 via a face mask, or humidified oxygen at 60 l.min-1 via nasal prongs (OptiflowTM ) with the mouth closed and with the mouth open. The mean (SD) end-tidal oxygen partial pressure after 3 min face mask and Optiflow oxygenation, with mouth closed and open, were: 88.5 (6.2) kPa; 85.6 (6.4) kPa and 48.7 (26.4) kPa, respectively, p = 0.001. The equivalent mean (SD) transcutaneous oxygen partial pressures were: 34.6 (5.4) kPa; 36.4 (6.5) kPa and 25.5 (15.7) kPa, respectively, p = 0.03. High-flow humidified nasal oxygenation for 3 min with the mouth closed was as effective as 3 min face mask oxygenation.© 2016 The Association of Anaesthetists of Great Britain and Ireland.

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