European annals of otorhinolaryngology, head and neck diseases · 2026
A pilot feasibility study of awake laryngeal ultrasonography in children.
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Shan C, Sagardoy T, Soualhi A
Аннотация
BACKGROUND: Flexible nasal laryngoscopy is the gold standard examination for laryngeal assessment, but can be uncomfortable, poorly tolerated or even refused by children. Ultrasonography is non-invasive and well-tolerated and could provide an alternative. Data in children, however, are scarce.
AIMS: To assess the feasibility of in-office ultrasonography in children for the identification of laryngeal structures using reference imaging planes, and to determine factors influencing examination quality.
MATERIAL AND METHODS: A single-center non-interventional prospective pilot feasibility study of a diagnostic tool was conducted in children aged 0 to 15 years. Ultrasonographic images were evaluated by the performing operator and by a second blinded observer using recorded sequences. Qualitative data and inter-rater agreement were expressed as percentages. Association was assessed by logistic regression, with the significance threshold set at 1%.
RESULTS: One hundred and forty children were included. The 5 ultrasound planes - axial glottic, subglottic and tracheal, and sagittal median and paramedian - allowed visualization of the thyroid, cricoid and arytenoid cartilage and vocal fold mobility in more than 95% of cases for both assessors. Age and gender effects differed between assessors, while BMI showed no significant effect. Calcification foci, without posterior acoustic shadowing, did not interfere with structural analysis.
CONCLUSION: We demonstrated the feasibility of pediatric laryngeal ultrasonography using 5 reference planes, enabling visualization of laryngeal structures regardless of calcifications.
AIMS: To assess the feasibility of in-office ultrasonography in children for the identification of laryngeal structures using reference imaging planes, and to determine factors influencing examination quality.
MATERIAL AND METHODS: A single-center non-interventional prospective pilot feasibility study of a diagnostic tool was conducted in children aged 0 to 15 years. Ultrasonographic images were evaluated by the performing operator and by a second blinded observer using recorded sequences. Qualitative data and inter-rater agreement were expressed as percentages. Association was assessed by logistic regression, with the significance threshold set at 1%.
RESULTS: One hundred and forty children were included. The 5 ultrasound planes - axial glottic, subglottic and tracheal, and sagittal median and paramedian - allowed visualization of the thyroid, cricoid and arytenoid cartilage and vocal fold mobility in more than 95% of cases for both assessors. Age and gender effects differed between assessors, while BMI showed no significant effect. Calcification foci, without posterior acoustic shadowing, did not interfere with structural analysis.
CONCLUSION: We demonstrated the feasibility of pediatric laryngeal ultrasonography using 5 reference planes, enabling visualization of laryngeal structures regardless of calcifications.