Preventive measure against nitrous oxide induced volume and pressure changes of endotracheal tube cuffs.

Abstract

Endotracheal tube (ETT) cuff volume and pressure changes were studied in patients receiving 70% and 50% nitrous oxide for anaesthesia. ETT cuffs were inflated with either room air or inhalation mixture. There was a significant increase in cuff volumes and pressures in ETT cuffs containing room air compared to insignificant changes in cuffs containing the… (More)

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