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Quantitative measurement of airborne particles during endoscopic and microscopic ear surgery in the operating room

Published online by Cambridge University Press:  30 August 2023

S Nishiike Open the ORCID record for S Nishiike [Opens in a new window] ,
T Michiba ,
R Ito ,
N Ashida ,
H Kato ,
A Kuki ,
K Ogawa ,
K Tamura  and
S Uetsuka
S Nishiike*
Affiliation:
Department of Otorhinolaryngology – Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
T Michiba
Affiliation:
Department of Otorhinolaryngology – Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
R Ito
Affiliation:
Department of Otorhinolaryngology – Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
N Ashida
Affiliation:
Department of Otorhinolaryngology – Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
H Kato
Affiliation:
Department of Otorhinolaryngology – Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
A Kuki
Affiliation:
Department of Otorhinolaryngology – Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
K Ogawa
Affiliation:
Department of Otorhinolaryngology – Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
K Tamura
Affiliation:
Department of Otorhinolaryngology – Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
S Uetsuka
Affiliation:
Department of Otorhinolaryngology – Head and Neck Surgery, Osaka Rosai Hospital, Osaka, Japan
*
Corresponding author: Dr Suetaka Nishiike; E-mail: snishiike@osakah.johas.go.jp
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Abstract

Objective

This study aimed to quantitatively investigate airborne particle load in the operating room during endoscopic or microscopic epitympanectomy or mastoidectomy.

Method

In the transcanal endoscopic ear surgery group, drilling was performed underwater. A particle counter was used to measure the particle load before, during and after drilling during transcanal endoscopic ear surgery or microscopic ear surgery. The device counted the numbers of airborne particles of 0.3, 0.5 or 1.0 μm in diameter.

Results

The particle load during drilling was significantly higher in the microscopic ear surgery group (n = 5) than in the transcanal endoscopic ear surgery group (n = 11) for all particle sizes (p < 0.01). In the transcanal endoscopic ear surgery group, no significant differences among the particle load observed before, during and after drilling were seen for any of the particle sizes.

Conclusion

Bone dissection carries a lower risk of airborne infection if it is performed using the endoscopic underwater drilling technique.

Keywords

Covid-19mastoidectomyoperating roomsparticle size
Type
Main Article
Information
The Journal of Laryngology & Otology , Volume 138 , Issue 4 , April 2024 , pp. 405 - 409
Copyright
Copyright © The Author(s), 2023. Published by Cambridge University Press on behalf of J.L.O. (1984) LIMITED

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Footnotes

Dr Suetaka Nishiike takes responsibility for the integrity of the content of the paper

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