Intra-individual variation of upper airway measurements based on computed tomography

The aims of this study were (1) to quantify the intra-individual variation in the upper airway measurements on supine computed tomography (CT) scans at two different time points; and (2) to identify the most stable parameters of the upper airway measurements over time. Ten subjects with paired CT da...

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Autores principales:	Ning Zhou, Jean-Pierre T. F. Ho, Cornelis Klop, Ruud Schreurs, Ludo F. M. Beenen, Ghizlane Aarab, Jan de Lange
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3219c58f3c834afb94b2f3196794fb65
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spelling	oai:doaj.org-article:3219c58f3c834afb94b2f3196794fb652021-11-11T07:51:49ZIntra-individual variation of upper airway measurements based on computed tomography1932-6203https://doaj.org/article/3219c58f3c834afb94b2f3196794fb652021-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC8570503/?tool=EBIhttps://doaj.org/toc/1932-6203The aims of this study were (1) to quantify the intra-individual variation in the upper airway measurements on supine computed tomography (CT) scans at two different time points; and (2) to identify the most stable parameters of the upper airway measurements over time. Ten subjects with paired CT datasets (3–6 months interval) were studied, using computer software to segment and measure the upper airway. The minimum cross-sectional area of the total airway and all its segments (velopharynx, oropharynx, tongue base, and epiglottis) generally had the largest variation, while the length of the total airway had the lowest variation. Sphericity was the only parameter that was stable over time (relative difference <15%), both in the total airway and each subregion. There was considerable intra-individual variation in CT measurements of the upper airway, with the same patient instruction protocol for image acquisitions. The length of the total airway, and the sphericity of the total upper airway and each segment were stable over time. Hence, such intra-individual variation should be taken into account when interpreting and comparing upper airway evaluation parameters on CT in order to quantify treatment results or disease progress.Ning ZhouJean-Pierre T. F. HoCornelis KlopRuud SchreursLudo F. M. BeenenGhizlane AarabJan de LangePublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ning Zhou Jean-Pierre T. F. Ho Cornelis Klop Ruud Schreurs Ludo F. M. Beenen Ghizlane Aarab Jan de Lange Intra-individual variation of upper airway measurements based on computed tomography
description	The aims of this study were (1) to quantify the intra-individual variation in the upper airway measurements on supine computed tomography (CT) scans at two different time points; and (2) to identify the most stable parameters of the upper airway measurements over time. Ten subjects with paired CT datasets (3–6 months interval) were studied, using computer software to segment and measure the upper airway. The minimum cross-sectional area of the total airway and all its segments (velopharynx, oropharynx, tongue base, and epiglottis) generally had the largest variation, while the length of the total airway had the lowest variation. Sphericity was the only parameter that was stable over time (relative difference <15%), both in the total airway and each subregion. There was considerable intra-individual variation in CT measurements of the upper airway, with the same patient instruction protocol for image acquisitions. The length of the total airway, and the sphericity of the total upper airway and each segment were stable over time. Hence, such intra-individual variation should be taken into account when interpreting and comparing upper airway evaluation parameters on CT in order to quantify treatment results or disease progress.
format	article
author	Ning Zhou Jean-Pierre T. F. Ho Cornelis Klop Ruud Schreurs Ludo F. M. Beenen Ghizlane Aarab Jan de Lange
author_facet	Ning Zhou Jean-Pierre T. F. Ho Cornelis Klop Ruud Schreurs Ludo F. M. Beenen Ghizlane Aarab Jan de Lange
author_sort	Ning Zhou
title	Intra-individual variation of upper airway measurements based on computed tomography
title_short	Intra-individual variation of upper airway measurements based on computed tomography
title_full	Intra-individual variation of upper airway measurements based on computed tomography
title_fullStr	Intra-individual variation of upper airway measurements based on computed tomography
title_full_unstemmed	Intra-individual variation of upper airway measurements based on computed tomography
title_sort	intra-individual variation of upper airway measurements based on computed tomography
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/3219c58f3c834afb94b2f3196794fb65
work_keys_str_mv	AT ningzhou intraindividualvariationofupperairwaymeasurementsbasedoncomputedtomography AT jeanpierretfho intraindividualvariationofupperairwaymeasurementsbasedoncomputedtomography AT cornelisklop intraindividualvariationofupperairwaymeasurementsbasedoncomputedtomography AT ruudschreurs intraindividualvariationofupperairwaymeasurementsbasedoncomputedtomography AT ludofmbeenen intraindividualvariationofupperairwaymeasurementsbasedoncomputedtomography AT ghizlaneaarab intraindividualvariationofupperairwaymeasurementsbasedoncomputedtomography AT jandelange intraindividualvariationofupperairwaymeasurementsbasedoncomputedtomography
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Intra-individual variation of upper airway measurements based on computed tomography

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