Anterior neck soft tissue measurements on computed tomography to predict difficult laryngoscopy: a retrospective study

Abstract Predicting difficult laryngoscopy is an essential component of the airway management. We aimed to evaluate the use of anterior neck soft tissue measurements on computed tomography for predicting difficult laryngoscopy and to present a clear measurement protocol. In this retrospective study,...

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Autores principales:	Hye Jin Kim, Nar Hyun Min, Jong Seok Lee, Wootaek Lee, Do-Hyeong Kim
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/c391385fb2f14e69b982fd5bc03ee10b
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spelling	oai:doaj.org-article:c391385fb2f14e69b982fd5bc03ee10b2021-12-02T16:45:06ZAnterior neck soft tissue measurements on computed tomography to predict difficult laryngoscopy: a retrospective study10.1038/s41598-021-88076-z2045-2322https://doaj.org/article/c391385fb2f14e69b982fd5bc03ee10b2021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-88076-zhttps://doaj.org/toc/2045-2322Abstract Predicting difficult laryngoscopy is an essential component of the airway management. We aimed to evaluate the use of anterior neck soft tissue measurements on computed tomography for predicting difficult laryngoscopy and to present a clear measurement protocol. In this retrospective study, 281 adult patients whose tracheas were intubated using a direct laryngoscope for thyroidectomy were enrolled. On computed tomography, the distances from the midpoint of the thyrohyoid membrane to the closest concave point of the vallecular (membrane-to-vallecula distance; dMV), and to the most distant point of the epiglottis (membrane-to-epiglottis distance; dME) were measured, respectively. The extended distances straight to the skin anterior from the dMV and dME were called the skin-to-vallecula distance (dSV) and skin-to-epiglottis distance (dSE), respectively. Difficult laryngoscopy was defined by a Cormack-Lehane grade of > 2. Difficult laryngoscopy occurred in 40 (14%) cases. Among four indices, the dMV showed the highest prediction ability for difficult laryngoscopy with an area under the receiver operating characteristic curve of 0.884 (95% confidence interval 0.841–0.919, P < 0.001). The optimal dMV cut-off value for predicting difficult laryngoscopy was 2.33 cm (sensitivity 75.0%; specificity 93.8%). The current study provides novel evidence that increased dMV is a potential predictive indicator of difficult laryngoscopy.Hye Jin KimNar Hyun MinJong Seok LeeWootaek LeeDo-Hyeong KimNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hye Jin Kim Nar Hyun Min Jong Seok Lee Wootaek Lee Do-Hyeong Kim Anterior neck soft tissue measurements on computed tomography to predict difficult laryngoscopy: a retrospective study
description	Abstract Predicting difficult laryngoscopy is an essential component of the airway management. We aimed to evaluate the use of anterior neck soft tissue measurements on computed tomography for predicting difficult laryngoscopy and to present a clear measurement protocol. In this retrospective study, 281 adult patients whose tracheas were intubated using a direct laryngoscope for thyroidectomy were enrolled. On computed tomography, the distances from the midpoint of the thyrohyoid membrane to the closest concave point of the vallecular (membrane-to-vallecula distance; dMV), and to the most distant point of the epiglottis (membrane-to-epiglottis distance; dME) were measured, respectively. The extended distances straight to the skin anterior from the dMV and dME were called the skin-to-vallecula distance (dSV) and skin-to-epiglottis distance (dSE), respectively. Difficult laryngoscopy was defined by a Cormack-Lehane grade of > 2. Difficult laryngoscopy occurred in 40 (14%) cases. Among four indices, the dMV showed the highest prediction ability for difficult laryngoscopy with an area under the receiver operating characteristic curve of 0.884 (95% confidence interval 0.841–0.919, P < 0.001). The optimal dMV cut-off value for predicting difficult laryngoscopy was 2.33 cm (sensitivity 75.0%; specificity 93.8%). The current study provides novel evidence that increased dMV is a potential predictive indicator of difficult laryngoscopy.
format	article
author	Hye Jin Kim Nar Hyun Min Jong Seok Lee Wootaek Lee Do-Hyeong Kim
author_facet	Hye Jin Kim Nar Hyun Min Jong Seok Lee Wootaek Lee Do-Hyeong Kim
author_sort	Hye Jin Kim
title	Anterior neck soft tissue measurements on computed tomography to predict difficult laryngoscopy: a retrospective study
title_short	Anterior neck soft tissue measurements on computed tomography to predict difficult laryngoscopy: a retrospective study
title_full	Anterior neck soft tissue measurements on computed tomography to predict difficult laryngoscopy: a retrospective study
title_fullStr	Anterior neck soft tissue measurements on computed tomography to predict difficult laryngoscopy: a retrospective study
title_full_unstemmed	Anterior neck soft tissue measurements on computed tomography to predict difficult laryngoscopy: a retrospective study
title_sort	anterior neck soft tissue measurements on computed tomography to predict difficult laryngoscopy: a retrospective study
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/c391385fb2f14e69b982fd5bc03ee10b
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Anterior neck soft tissue measurements on computed tomography to predict difficult laryngoscopy: a retrospective study

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