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Challenge to pediatric anatomical variation : Can we draw the ideal line on the pediatric I-gel?

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Abstract

Objective

I-gel is a noncuff type of laryngeal airway mask. No horizontal line has yet been determined as an ideal position for pediatric sizes because of the variability in length of the oropharyngeal–laryngeal arch in children. We investigated whether there is a correlation between insertion length and patient body weight or height for the pediatric I-gel sizes from 1.5 to 2.5.

Methods

With parental informed consent, we planned to maintain the airway of 130 children aged from 7 months to 13 years by using the I-gel device under general anesthesia. The following two parameters were evaluated: (1) distance between the teeth and the connector wing; (2) insertion length (distance from the distal end of the gastric tube to the teeth). Size selection was determined on the basis of patients’ body weight. We identified the relationship between each parameter and height or weight.

Results

Average insertion length became gradually longer with increasing height and weight. Spearman’s R between insertion length and height or weight was 0.8. There was more correlation with height than with weight in pediatric size 2.5.

Conclusion

Results suggested that it is possible to draw an ideal line on the I-gel with sizes 1.5 and 2 only.

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Authors and Affiliations

  1. Department of Anesthesia and Critical Care, Tokyo Women’s, Medical University, 8-1 Kawadachou Shinjyuku-ku, Tokyo, 162-8666, Japan

    Yukako Abukawa, Koichi Hiroki, Hiroko Iwakiri, Tomoko Fukada & Makoto Ozaki

  2. Kanagawa Children’s Medical Center, 2-138-4 Mutsukawa, Minami-ku, Yokohama, Kanagawa, 232-8555, Japan

    Koichi Hiroki

Authors
  1. Yukako Abukawa
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  2. Koichi Hiroki
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  3. Hiroko Iwakiri
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  4. Tomoko Fukada
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  5. Makoto Ozaki
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Corresponding author

Correspondence to Yukako Abukawa.

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Conflict of interest

The authors declare that there is no conflict of interest regarding the publication of this paper.

Funding

This study was supported in part by internal university’s clinical research budget.

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Abukawa, Y., Hiroki, K., Iwakiri, H. et al. Challenge to pediatric anatomical variation : Can we draw the ideal line on the pediatric I-gel?. J Anesth 30, 199–204 (2016). https://doi.org/10.1007/s00540-015-2108-7

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  • DOI: https://doi.org/10.1007/s00540-015-2108-7

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