Submental Muscle Activity and Its Role in Diagnosing Sarcopenic Dysphagia

Kotomi Sakai,1,2 Enri Nakayama,3 Nicole Rogus-Pulia,4,5 Takahiro Takehisa,6 Yozo Takehisa,6 Kevin Y Urayama,2,7 Osamu Takahashi2 1Department of Rehabilitation Medicine, Setagaya Memorial Hospital, Tokyo, Japan; 2Graduate School of Public Health, St. Luke’s International University, Tokyo,...

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Autores principales:	Sakai K, Nakayama E, Rogus-Pulia N, Takehisa T, Takehisa Y, Urayama KY, Takahashi O
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2020
Materias:	sarcopenia deglutition disorders electromyography pharyngeal muscles Geriatrics RC952-954.6
Acceso en línea:	https://doaj.org/article/e3ed374970f24bbbadfd94b34d1e944d
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spelling	oai:doaj.org-article:e3ed374970f24bbbadfd94b34d1e944d2021-12-02T12:07:53ZSubmental Muscle Activity and Its Role in Diagnosing Sarcopenic Dysphagia1178-1998https://doaj.org/article/e3ed374970f24bbbadfd94b34d1e944d2020-10-01T00:00:00Zhttps://www.dovepress.com/submental-muscle-activity-and-its-role-in-diagnosing-sarcopenic-dyspha-peer-reviewed-article-CIAhttps://doaj.org/toc/1178-1998Kotomi Sakai,1,2 Enri Nakayama,3 Nicole Rogus-Pulia,4,5 Takahiro Takehisa,6 Yozo Takehisa,6 Kevin Y Urayama,2,7 Osamu Takahashi2 1Department of Rehabilitation Medicine, Setagaya Memorial Hospital, Tokyo, Japan; 2Graduate School of Public Health, St. Luke’s International University, Tokyo, Japan; 3Department of Dysphagia Rehabilitation, Nihon University School of Dentistry, Tokyo, Japan; 4Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA; 5Geriatric Research Education and Clinical Center (GRECC), William S. Middleton Memorial Veterans Hospital, Madison, WI, USA; 6Heisei Medical Welfare Group, Tokyo, Japan; 7Department of Social Medicine, National Center for Child Health and Development, Tokyo, JapanCorrespondence: Kotomi SakaiDepartment of Rehabilitation Medicine, Setagaya Memorial Hospital, 2-30-10 Noge, Setagaya, Tokyo 158-0092, JapanTel +81-3-3703-5100Email koto.sakai1227@gmail.comPurpose: The objectives of this study were two-fold: 1) to investigate differences in activity duration and amplitude of the submental muscles during swallowing measured with surface electromyography (sEMG) in older patients with sarcopenic dysphagia compared to those without dysphagia and 2) to examine the diagnostic accuracy of submental sEMG signals for sarcopenic dysphagia.Patients and Methods: Patients (n = 60) aged ≥ 65 years participated in this cross-sectional study. The submental muscle activity duration parameters were the duration from the onset of swallowing to the maximum amplitude (duration A), duration from the maximum amplitude to the end of the swallowing activity (duration B), and total duration. The amplitude parameters were mean and maximum amplitude. Maximum lingual pressures were also measured for comparison with sEMG parameters.Results: Duration A was not significantly different between the groups (p = 0.15), but duration B (p < 0.001) and total duration (p < 0.001) were significantly different between the non-dysphagic and sarcopenic dysphagic groups. The mean (p = 0.014) and maximum (p < 0.001) amplitudes were significantly different between the groups. The area under the receiver operating characteristic curve (AUC) was 0.94 (95% confidence interval (CI) 0.87– 0.98) for duration B, 0.95 (95% CI 0.89– 0.99) for total duration, 0.76 (95% CI 0.63– 0.87) for maximum amplitude, and 0.61 (95% CI 0.47– 0.75) for mean amplitude. The AUC of the total duration was significantly greater than that of lingual pressure (p = 0.02).Conclusion: Patients with sarcopenic dysphagia had longer submental muscle activity duration and higher amplitude during swallowing as assessed using sEMG. The findings of this study can be useful in elucidating the underlying pathophysiology of sarcopenic dysphagia and in diagnosing sarcopenic dysphagia.Keywords: sarcopenia, deglutition disorders, electromyography, pharyngeal musclesSakai KNakayama ERogus-Pulia NTakehisa TTakehisa YUrayama KYTakahashi ODove Medical Pressarticlesarcopeniadeglutition disorderselectromyographypharyngeal musclesGeriatricsRC952-954.6ENClinical Interventions in Aging, Vol Volume 15, Pp 1991-1999 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	sarcopenia deglutition disorders electromyography pharyngeal muscles Geriatrics RC952-954.6
spellingShingle	sarcopenia deglutition disorders electromyography pharyngeal muscles Geriatrics RC952-954.6 Sakai K Nakayama E Rogus-Pulia N Takehisa T Takehisa Y Urayama KY Takahashi O Submental Muscle Activity and Its Role in Diagnosing Sarcopenic Dysphagia
description	Kotomi Sakai,1,2 Enri Nakayama,3 Nicole Rogus-Pulia,4,5 Takahiro Takehisa,6 Yozo Takehisa,6 Kevin Y Urayama,2,7 Osamu Takahashi2 1Department of Rehabilitation Medicine, Setagaya Memorial Hospital, Tokyo, Japan; 2Graduate School of Public Health, St. Luke’s International University, Tokyo, Japan; 3Department of Dysphagia Rehabilitation, Nihon University School of Dentistry, Tokyo, Japan; 4Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA; 5Geriatric Research Education and Clinical Center (GRECC), William S. Middleton Memorial Veterans Hospital, Madison, WI, USA; 6Heisei Medical Welfare Group, Tokyo, Japan; 7Department of Social Medicine, National Center for Child Health and Development, Tokyo, JapanCorrespondence: Kotomi SakaiDepartment of Rehabilitation Medicine, Setagaya Memorial Hospital, 2-30-10 Noge, Setagaya, Tokyo 158-0092, JapanTel +81-3-3703-5100Email koto.sakai1227@gmail.comPurpose: The objectives of this study were two-fold: 1) to investigate differences in activity duration and amplitude of the submental muscles during swallowing measured with surface electromyography (sEMG) in older patients with sarcopenic dysphagia compared to those without dysphagia and 2) to examine the diagnostic accuracy of submental sEMG signals for sarcopenic dysphagia.Patients and Methods: Patients (n = 60) aged ≥ 65 years participated in this cross-sectional study. The submental muscle activity duration parameters were the duration from the onset of swallowing to the maximum amplitude (duration A), duration from the maximum amplitude to the end of the swallowing activity (duration B), and total duration. The amplitude parameters were mean and maximum amplitude. Maximum lingual pressures were also measured for comparison with sEMG parameters.Results: Duration A was not significantly different between the groups (p = 0.15), but duration B (p < 0.001) and total duration (p < 0.001) were significantly different between the non-dysphagic and sarcopenic dysphagic groups. The mean (p = 0.014) and maximum (p < 0.001) amplitudes were significantly different between the groups. The area under the receiver operating characteristic curve (AUC) was 0.94 (95% confidence interval (CI) 0.87– 0.98) for duration B, 0.95 (95% CI 0.89– 0.99) for total duration, 0.76 (95% CI 0.63– 0.87) for maximum amplitude, and 0.61 (95% CI 0.47– 0.75) for mean amplitude. The AUC of the total duration was significantly greater than that of lingual pressure (p = 0.02).Conclusion: Patients with sarcopenic dysphagia had longer submental muscle activity duration and higher amplitude during swallowing as assessed using sEMG. The findings of this study can be useful in elucidating the underlying pathophysiology of sarcopenic dysphagia and in diagnosing sarcopenic dysphagia.Keywords: sarcopenia, deglutition disorders, electromyography, pharyngeal muscles
format	article
author	Sakai K Nakayama E Rogus-Pulia N Takehisa T Takehisa Y Urayama KY Takahashi O
author_facet	Sakai K Nakayama E Rogus-Pulia N Takehisa T Takehisa Y Urayama KY Takahashi O
author_sort	Sakai K
title	Submental Muscle Activity and Its Role in Diagnosing Sarcopenic Dysphagia
title_short	Submental Muscle Activity and Its Role in Diagnosing Sarcopenic Dysphagia
title_full	Submental Muscle Activity and Its Role in Diagnosing Sarcopenic Dysphagia
title_fullStr	Submental Muscle Activity and Its Role in Diagnosing Sarcopenic Dysphagia
title_full_unstemmed	Submental Muscle Activity and Its Role in Diagnosing Sarcopenic Dysphagia
title_sort	submental muscle activity and its role in diagnosing sarcopenic dysphagia
publisher	Dove Medical Press
publishDate	2020
url	https://doaj.org/article/e3ed374970f24bbbadfd94b34d1e944d
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Submental Muscle Activity and Its Role in Diagnosing Sarcopenic Dysphagia

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