Preoxygenation is an essential part of obstetric general anaesthesia. In a recent study of preoxygenation, air entrainment occurred in 22% of patients,
1despite being performed in a calm environment with no clinical indication for urgency. In contrast, general anaesthesia for obstetric surgery is frequently performed in circumstances which require a degree of urgency and by personnel who may, on occasion, be less experienced. Consequently, we were concerned that the incidence of inadequate preoxygenation may be higher in clinical practice than seen in the more controlled conditions of a clinical trial.
- Russell E.
- Wrench I.
- Feast M.
- Mohammed F.
Pre-oxygenation in pregnancy: the effect of fresh gas flow rates within a circle breathing system.
Anaesthesia. 2008; 63: 833-836
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- Pre-oxygenation in pregnancy: the effect of fresh gas flow rates within a circle breathing system.Anaesthesia. 2008; 63: 833-836
- Fighting for breath: apnoea vs the anaesthetist.Anaesthesia. 2007; 62: 105-108
- Service evaluation of pre-oxygenatation for emergency surgery under anaesthesia.Anaesthesia. 2009; 65: 110
Published online: September 12, 2011
Accepted: July 5, 2011
© 2011 Elsevier Ltd. Published by Elsevier Inc. All rights reserved.