• Eur J Anaesthesiol · Jan 2001

    Randomized Controlled Trial Clinical Trial

    Gum elastic bougie, capnography and apnoeic oxygenation.

    • F A Millar, G L Hutchison, and R Glavin.
    • Department of Anaesthesia, Ninewells Hospital, Dundee DD1 9SY, UK.
    • Eur J Anaesthesiol. 2001 Jan 1; 18 (1): 51-3.

    Background And AimThis study assessed the accuracy of using capnography with a modified, hollow gum elastic bougie in predicting tracheal intubation, and its effectiveness as a method of apnoeic oxygenation.MethodsPatients were randomly allocated to having the gum elastic bougie inserted, under anaesthesia, in the trachea or the oesophagus. End-tidal carbon dioxide measurements were made at 10 and 20 s. The position of the gum elastic bougie was correctly predicted in 89.2% of patients. We tested the apnoeic oxygenation on an anaesthetic simulator model, which is housed in the Scottish Anaesthesia Simulator Centre, Stirling, UK.ResultsThe time taken for the oxygen saturation to fall to 90% was significantly prolonged when the gum elastic bougie was used for apnoeic oxygenation.ConclusionThe modification of the gum elastic bougie allows a more objective assessment of correct placement than the previous tactile method. The current design of bougie is unsuitable but can be modified.

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