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BMC Anesthesiology
Published in: BMC Anesthesiology 1/2018

Open Access 01-12-2018 | Research article

K-Y™ jelly inhibits increase in endotracheal tube cuff pressure during nitrous oxide exposure in vitro

Authors: Yukihide Koyama, Hiroyuki Oshika, Hiroko Nishioka, Naoko Kamoshida, Sousuke Tanaka, Gaku Inagawa, Tomio Andoh

Published in: BMC Anesthesiology | Issue 1/2018

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Abstract

Background

The increase in endotracheal tube cuff pressure due to nitrous oxide diffusion is a well-known risk during general anesthesia using nitrous oxide. We hypothesized that lubricating endotracheal tube cuffs with K-Y™ Jelly might inhibit the increase in cuff pressure that occurs during exposure to nitrous oxide.

Methods

We used two types of endotracheal tube cuffs: one made from ultrathin polyurethane (PU) and another made from conventional polyvinyl chloride (PVC). Using a pediatric trachea model, which consisted of an acrylic cylinder with an internal diameter of 12 mm, we measured changes in the cuff pressure during nitrous oxide exposure in size 5.0-mm internal diameter endotracheal tubes with each type of cuff, with and without lubrication with K-Y™ Jelly.

Results

During nitrous oxide exposure, the increase in cuff pressure was significantly lower in the lubricated cuffs than in the non-lubricated cuffs in both types of cuffs (PVC, P < 0.0001; PU, P < 0.0001). However, the cuff compliance in the trachea model was unaffected by lubrication in both types of cuffs.

Conclusions

Lubrication of endotracheal tube cuffs with K-Y™ Jelly may effectively delay the increase in cuff pressure that occurs during general anesthesia using nitrous oxide.
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Metadata
Title
K-Y™ jelly inhibits increase in endotracheal tube cuff pressure during nitrous oxide exposure in vitro
Authors
Yukihide Koyama
Hiroyuki Oshika
Hiroko Nishioka
Naoko Kamoshida
Sousuke Tanaka
Gaku Inagawa
Tomio Andoh
Publication date
01-12-2018
Publisher
BioMed Central
Published in
BMC Anesthesiology / Issue 1/2018
Electronic ISSN: 1471-2253
DOI
https://doi.org/10.1186/s12871-018-0566-9

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