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CC BY-NC-ND 4.0 · International Journal of Practical Otolaryngology 2021; 04(01): e6-e10
DOI: 10.1055/s-0041-1722883
Original Article

Comparison of Scope Classifications for Predicting the Need for Airway Intervention in Acute Supraglottitis

Machi Nonomura
1   Department of Otolaryngology—Head and Neck Surgery, Kurashiki Central Hospital, Kurashiki City, Japan
,
Akira Yoshizawa
1   Department of Otolaryngology—Head and Neck Surgery, Kurashiki Central Hospital, Kurashiki City, Japan
,
Masanobu Mizuta
1   Department of Otolaryngology—Head and Neck Surgery, Kurashiki Central Hospital, Kurashiki City, Japan
,
Shin-ichi Sato
1   Department of Otolaryngology—Head and Neck Surgery, Kurashiki Central Hospital, Kurashiki City, Japan
› Author Affiliations Funding This work was not supported by any grant or funding.
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Abstract

Background Acute supraglottitis (AS) can cause airway obstruction, sometimes necessitating airway intervention. Some scope classifications were developed to predict the need for airway intervention in patients with AS; however, the most suitable classification for predicting the need for airway intervention remains unclear.

Objective This study was performed to validate and compare the usefulness of three scope classifications (Katori's, Tanaka's, and Ovnat-Tamir's classifications) for predicting the need for airway intervention in patients with AS.

Materials and Methods We recruited 75 patients (44 males and 31 females aged 20–94 years) with AS who visited Kurashiki Central Hospital between January 2015 and September 2019. The areas under the receiver operating characteristic curves (AUCs) of the scope classifications for predicting the need for airway intervention were measured.

Results Of the 75 patients, airway intervention was needed in 23 patients. The AUC was 0.818 (95% confidence interval [CI]: 0.715–0.922) for Katori's classification, 0.803 (95% CI: 0.699–0.907) for Tanaka's classification, and 0.814 (95% CI: 0.705–0.922) for Ovnat-Tamir's classification.

Conclusion Although all three classifications appeared to be useful, the AUC tended to be the highest for Katori's classification.

Keywords

supraglottitis - ROC curve - sensitivity - specificity


Publication History

Received: 04 February 2020

Accepted: 16 October 2020

Article published online:
19 January 2021

© 2021. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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