• Br J Anaesth · Oct 2022

    Editorial Comment

    Peri-intubation oxygenation for Caesarean delivery: is there an optimal technique?

    • Cynthia A Wong and Mary Mushambi.
    • Department of Anesthesia, University of Iowa Carver College of Medicine, Iowa City, IA, USA. Electronic address: cynthia-wong@uiowa.edu.
    • Br J Anaesth. 2022 Oct 1; 129 (4): 468-471.

    AbstractPeri-intubation oxygen administration to the pregnant patient during induction of general anaesthesia is critical to avoiding hypoxaemia and harm to the mother and fetus. Recent modelling comparing low-flow with high-flow nasal oxygen in simulated term pregnant women of varying body habitus, taken together with previous work, suggests that face mask preoxygenation with the use of low-flow or high-flow nasal oxygen during the period of apnoea prolongs the safe apnoea period, with the benefit varying by body habitus. Low-flow compared with high-flow nasal oxygen may be easier to combine with face mask preoxygenation and is readily available in all operating theatres, although future improvements in high-flow nasal oxygen delivery systems may improve ease of use for this indication.Copyright © 2022 British Journal of Anaesthesia. Published by Elsevier Ltd. All rights reserved.

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