Ultrasound shearwave elastography to characterize muscles of healthy and cerebral palsy children

Abstract Shear wave elastography (SWE) is an ultrasound technique to obtain soft tissue mechanical properties. The aim of this study was to establish the reliability of SWE in young children, define reference data on healthy ones and compare the shear modulus of healthy and spastic muscles from cere...

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Autores principales:	Pauline Lallemant-Dudek, Claudio Vergari, Guillaume Dubois, Véronique Forin, Raphaël Vialle, Wafa Skalli
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e318c0989bc142ae928398e323ff0f62
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spelling	oai:doaj.org-article:e318c0989bc142ae928398e323ff0f622021-12-02T12:14:50ZUltrasound shearwave elastography to characterize muscles of healthy and cerebral palsy children10.1038/s41598-021-82005-w2045-2322https://doaj.org/article/e318c0989bc142ae928398e323ff0f622021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-82005-whttps://doaj.org/toc/2045-2322Abstract Shear wave elastography (SWE) is an ultrasound technique to obtain soft tissue mechanical properties. The aim of this study was to establish the reliability of SWE in young children, define reference data on healthy ones and compare the shear modulus of healthy and spastic muscles from cerebral palsy (CP). The reproducibility is evaluated: at rest, on 7 children without any musculoskeletal pathology by 3 different operators, on 2 muscles: biceps brachii long head and medial gastrocnemius. The comparison study was made, on the same 2 muscles, at rest and under passive stretching, with a control group (29 healthy children), a spastic group (spastic muscles of 16 children from CP) and a non-spastic group (non-spastic muscles of 14 children from CP). The intra-operator reliability and inter-operator reliability, in terms of standard deviation, were 0.6 kPa (11.2% coefficient of variation (CV)) and 0.8 kPa (14.9% CV) for the biceps, respectively, and 0.4 kPa (11.5% CV) and 0.5 kPa (13.8% CV) for the gastrocnemius. At rest, no significant difference was found. Under passive stretching, the non-spastic CP biceps were significantly stiffer than the control ones (p = 0.033). Spastic gastrocnemius had a higher shear modulus than in the control muscles (p = 0.0003) or the non-spastic CP muscles (p = 0.017). CP stretched medial gastrocnemius presented an abnormally high shear moduli for 50% of patients.Pauline Lallemant-DudekClaudio VergariGuillaume DuboisVéronique ForinRaphaël VialleWafa SkalliNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Pauline Lallemant-Dudek Claudio Vergari Guillaume Dubois Véronique Forin Raphaël Vialle Wafa Skalli Ultrasound shearwave elastography to characterize muscles of healthy and cerebral palsy children
description	Abstract Shear wave elastography (SWE) is an ultrasound technique to obtain soft tissue mechanical properties. The aim of this study was to establish the reliability of SWE in young children, define reference data on healthy ones and compare the shear modulus of healthy and spastic muscles from cerebral palsy (CP). The reproducibility is evaluated: at rest, on 7 children without any musculoskeletal pathology by 3 different operators, on 2 muscles: biceps brachii long head and medial gastrocnemius. The comparison study was made, on the same 2 muscles, at rest and under passive stretching, with a control group (29 healthy children), a spastic group (spastic muscles of 16 children from CP) and a non-spastic group (non-spastic muscles of 14 children from CP). The intra-operator reliability and inter-operator reliability, in terms of standard deviation, were 0.6 kPa (11.2% coefficient of variation (CV)) and 0.8 kPa (14.9% CV) for the biceps, respectively, and 0.4 kPa (11.5% CV) and 0.5 kPa (13.8% CV) for the gastrocnemius. At rest, no significant difference was found. Under passive stretching, the non-spastic CP biceps were significantly stiffer than the control ones (p = 0.033). Spastic gastrocnemius had a higher shear modulus than in the control muscles (p = 0.0003) or the non-spastic CP muscles (p = 0.017). CP stretched medial gastrocnemius presented an abnormally high shear moduli for 50% of patients.
format	article
author	Pauline Lallemant-Dudek Claudio Vergari Guillaume Dubois Véronique Forin Raphaël Vialle Wafa Skalli
author_facet	Pauline Lallemant-Dudek Claudio Vergari Guillaume Dubois Véronique Forin Raphaël Vialle Wafa Skalli
author_sort	Pauline Lallemant-Dudek
title	Ultrasound shearwave elastography to characterize muscles of healthy and cerebral palsy children
title_short	Ultrasound shearwave elastography to characterize muscles of healthy and cerebral palsy children
title_full	Ultrasound shearwave elastography to characterize muscles of healthy and cerebral palsy children
title_fullStr	Ultrasound shearwave elastography to characterize muscles of healthy and cerebral palsy children
title_full_unstemmed	Ultrasound shearwave elastography to characterize muscles of healthy and cerebral palsy children
title_sort	ultrasound shearwave elastography to characterize muscles of healthy and cerebral palsy children
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/e318c0989bc142ae928398e323ff0f62
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Ultrasound shearwave elastography to characterize muscles of healthy and cerebral palsy children

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