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Effect of xenon on endotracheal tube cuff
Y Ishiguro1, H Saito, Y Nakata
1Department of Anesthesia, Teikyo University, School of Medicine, Ichihara Hospital, Chiba, Japan. yishigur@med.teikyo-u.ac.jp
Study Design:
To investigate the effect of xenon on the endotracheal tube cuff in comparison to that of nitrous oxide.
Design:
Prospective, randomized study.
Setting:
Laboratory in vitro testing of endotracheal tubes.
Interventions:
Exposure of air-filled endotracheal tube cuffs to xenon or nitrous oxide (79 vol%) mixed with a balance of oxygen (21 vol%) for 3 hours.
Measurements:
The intra-cuff pressure and gas volume in the cuff were measured for 3 hours.
Main Results And Conclusion:
Increase in pressure and gas volume was significantly less and slower with xenon than with nitrous oxide. More nitrous oxide passes into the cuff than xenon.