Hyoid kinematic features for poor swallowing prognosis in patients with post-stroke dysphagia

Abstract Identification of prognostic factors for swallowing recovery in patients with post-stroke dysphagia is crucial for determining therapeutic strategies. We aimed at exploring hyoid kinematic features of poor swallowing prognosis in patients with post-stroke dysphagia. Of 122 patients who expe...

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Autores principales:	Woo Hyung Lee, Min Hyuk Lim, Han Gil Seo, Byung-Mo Oh, Sungwan Kim
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/69ee0f385b4c470d9b45154b81a9fd65
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spelling	oai:doaj.org-article:69ee0f385b4c470d9b45154b81a9fd652021-12-02T15:23:02ZHyoid kinematic features for poor swallowing prognosis in patients with post-stroke dysphagia10.1038/s41598-020-80871-42045-2322https://doaj.org/article/69ee0f385b4c470d9b45154b81a9fd652021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-80871-4https://doaj.org/toc/2045-2322Abstract Identification of prognostic factors for swallowing recovery in patients with post-stroke dysphagia is crucial for determining therapeutic strategies. We aimed at exploring hyoid kinematic features of poor swallowing prognosis in patients with post-stroke dysphagia. Of 122 patients who experienced dysphagia following ischemic stroke, 18 with poor prognosis, and 18 age- and sex-matched patients with good prognosis were selected and retrospectively reviewed. Positional data of the hyoid bone during swallowing were obtained from the initial videofluoroscopic swallowing study after stroke onset. Normalized hyoid profiles of displacement/velocity and direction angle were analyzed using functional regression analysis, and maximal or mean values were compared between the good and poor prognosis patient groups. Kinematic analysis showed that maximal horizontal displacement (P = 0.031) and velocity (P = 0.034) in forward hyoid motions were significantly reduced in patients with poor prognosis compared to those with good prognosis. Mean direction angle for the initial swallowing phase was significantly lower in patients with poor prognosis than in those with good prognosis (P = 0.0498). Our study revealed that reduced horizontal forward and altered initial backward motions of the hyoid bone during swallowing can be novel kinematic features indicating poor swallowing prognosis in patients with post-stroke dysphagia.Woo Hyung LeeMin Hyuk LimHan Gil SeoByung-Mo OhSungwan KimNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Woo Hyung Lee Min Hyuk Lim Han Gil Seo Byung-Mo Oh Sungwan Kim Hyoid kinematic features for poor swallowing prognosis in patients with post-stroke dysphagia
description	Abstract Identification of prognostic factors for swallowing recovery in patients with post-stroke dysphagia is crucial for determining therapeutic strategies. We aimed at exploring hyoid kinematic features of poor swallowing prognosis in patients with post-stroke dysphagia. Of 122 patients who experienced dysphagia following ischemic stroke, 18 with poor prognosis, and 18 age- and sex-matched patients with good prognosis were selected and retrospectively reviewed. Positional data of the hyoid bone during swallowing were obtained from the initial videofluoroscopic swallowing study after stroke onset. Normalized hyoid profiles of displacement/velocity and direction angle were analyzed using functional regression analysis, and maximal or mean values were compared between the good and poor prognosis patient groups. Kinematic analysis showed that maximal horizontal displacement (P = 0.031) and velocity (P = 0.034) in forward hyoid motions were significantly reduced in patients with poor prognosis compared to those with good prognosis. Mean direction angle for the initial swallowing phase was significantly lower in patients with poor prognosis than in those with good prognosis (P = 0.0498). Our study revealed that reduced horizontal forward and altered initial backward motions of the hyoid bone during swallowing can be novel kinematic features indicating poor swallowing prognosis in patients with post-stroke dysphagia.
format	article
author	Woo Hyung Lee Min Hyuk Lim Han Gil Seo Byung-Mo Oh Sungwan Kim
author_facet	Woo Hyung Lee Min Hyuk Lim Han Gil Seo Byung-Mo Oh Sungwan Kim
author_sort	Woo Hyung Lee
title	Hyoid kinematic features for poor swallowing prognosis in patients with post-stroke dysphagia
title_short	Hyoid kinematic features for poor swallowing prognosis in patients with post-stroke dysphagia
title_full	Hyoid kinematic features for poor swallowing prognosis in patients with post-stroke dysphagia
title_fullStr	Hyoid kinematic features for poor swallowing prognosis in patients with post-stroke dysphagia
title_full_unstemmed	Hyoid kinematic features for poor swallowing prognosis in patients with post-stroke dysphagia
title_sort	hyoid kinematic features for poor swallowing prognosis in patients with post-stroke dysphagia
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/69ee0f385b4c470d9b45154b81a9fd65
work_keys_str_mv	AT woohyunglee hyoidkinematicfeaturesforpoorswallowingprognosisinpatientswithpoststrokedysphagia AT minhyuklim hyoidkinematicfeaturesforpoorswallowingprognosisinpatientswithpoststrokedysphagia AT hangilseo hyoidkinematicfeaturesforpoorswallowingprognosisinpatientswithpoststrokedysphagia AT byungmooh hyoidkinematicfeaturesforpoorswallowingprognosisinpatientswithpoststrokedysphagia AT sungwankim hyoidkinematicfeaturesforpoorswallowingprognosisinpatientswithpoststrokedysphagia
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Hyoid kinematic features for poor swallowing prognosis in patients with post-stroke dysphagia

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