Relationship Between Pneumonia and Dysphagia in Patients With Multiple System Atrophy

IntroductionDysphagia is one of the most clinically significant disabilities in patients with multiple system atrophy (MSA), because it can cause aspiration pneumonia, which is potentially fatal. In this study, the Neuromuscular disease Swallowing Status Scale (NdSSS), which was developed to evaluat...

Full description

Bibliographic Details
Main Authors: Ayako Wada, Michiyuki Kawakami, Yuka Yamada, Kentaro Kaji, Nanako Hijikata, Fumio Liu, Tomoyoshi Otsuka, Tetsuya Tsuji
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-07-01
Series:Frontiers in Neurology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fneur.2022.904852/full
_version_ 1818117781917270016
author Ayako Wada
Ayako Wada
Michiyuki Kawakami
Yuka Yamada
Kentaro Kaji
Nanako Hijikata
Fumio Liu
Tomoyoshi Otsuka
Tetsuya Tsuji
author_facet Ayako Wada
Ayako Wada
Michiyuki Kawakami
Yuka Yamada
Kentaro Kaji
Nanako Hijikata
Fumio Liu
Tomoyoshi Otsuka
Tetsuya Tsuji
author_sort Ayako Wada
collection DOAJ
description IntroductionDysphagia is one of the most clinically significant disabilities in patients with multiple system atrophy (MSA), because it can cause aspiration pneumonia, which is potentially fatal. In this study, the Neuromuscular disease Swallowing Status Scale (NdSSS), which was developed to evaluate dysphagia in patients with neuromuscular diseases, was used to evaluate patients with MSA. In addition, correlation between a history of pneumonia and swallowing function was evaluated.MethodsStudy 1: Reliability, concurrent validity, and responsiveness of the NdSSS in patients with MSA. In 81 patients for whom evaluation items could be collected, the NdSSS was tested for its interrater and intrarater reliability using weighted kappa statistics. Concurrent validity was assessed by correlating the NdSSS with existing scales (Functional Oral Intake Scale (FOIS), Functional Intake LEVEL Scale (FILS), and the unified MSA rating scale (UMSARS)) using Spearman's rank correlation coefficients. Sixty-three patients were evaluated by videofluorographic (VF) swallowing examination. To evaluate concurrent validity, Spearman's rank correlation coefficients were calculated between the NdSSS and VF swallowing assessments. Additionally, scale responsiveness was determined using the standardized response mean (SRM) in 23 patients who could be followed up to assess their long-term course. Study 2: Cross-sectional survey of swallowing function and history of pneumonia. Data regarding history of pneumonia, UMSARS, NdSSS, age, sex, MSA subtype, and disease duration were retrospectively obtained from the medical records of 113 patients with MSA. Differences in these parameters and NdSSS stage between those with and without a history of pneumonia were examined using the Mann-Whitney test or chi-squared test. Furthermore, clinical factors related to a history of pneumonia were examined by binomial logistic regression analysis.ResultsThe NdSSS showed satisfactory reliability, concurrent validity, and responsiveness. A history of pneumonia was related to the severity of MSA, age, MSA subtype, and NdSSS stage. Binomial logistic regression analysis showed that NdSSS stage (odds ratio (OR), 0.490; 95% confidence interval (CI), 0.301–0.797, p = 0.001) and MSA subtype (OR, 4.031; 95% CI, 1.225–13.269, p = 0.021) were significantly associated with a history of pneumonia.ConclusionsIn patients with MSA, the NdSSS has sufficient reliability, concurrent validity, and responsiveness for assessing dysphagia. Patients with a history of pneumonia have more severe dysphagia. We found that the pneumonia risk was related to NdSSS stage and MSA-p (predominantly parkinsonism). Meticulous care to prevent aspiration is needed from early stages of the disease.
first_indexed 2024-12-11T04:43:52Z
format Article
id doaj.art-e836b57c403b4afcaff20c23be1f8c46
institution Directory Open Access Journal
issn 1664-2295
language English
last_indexed 2024-12-11T04:43:52Z
publishDate 2022-07-01
publisher Frontiers Media S.A.
record_format Article
series Frontiers in Neurology
spelling doaj.art-e836b57c403b4afcaff20c23be1f8c462022-12-22T01:20:33ZengFrontiers Media S.A.Frontiers in Neurology1664-22952022-07-011310.3389/fneur.2022.904852904852Relationship Between Pneumonia and Dysphagia in Patients With Multiple System AtrophyAyako Wada0Ayako Wada1Michiyuki Kawakami2Yuka Yamada3Kentaro Kaji4Nanako Hijikata5Fumio Liu6Tomoyoshi Otsuka7Tetsuya Tsuji8Department of Rehabilitation Medicine, National Hospital Organization Higashisaitama National Hospital, Saitama, JapanDepartment of Rehabilitation Medicine, Keio University School of Medicine, Tokyo, JapanDepartment of Rehabilitation Medicine, Keio University School of Medicine, Tokyo, JapanDepartment of Rehabilitation Medicine, Keio University School of Medicine, Tokyo, JapanDepartment of Rehabilitation Medicine, National Hospital Organization Higashisaitama National Hospital, Saitama, JapanDepartment of Rehabilitation Medicine, Keio University School of Medicine, Tokyo, JapanDepartment of Rehabilitation Medicine, Keio University School of Medicine, Tokyo, JapanDepartment of Rehabilitation Medicine, National Hospital Organization Higashisaitama National Hospital, Saitama, JapanDepartment of Rehabilitation Medicine, Keio University School of Medicine, Tokyo, JapanIntroductionDysphagia is one of the most clinically significant disabilities in patients with multiple system atrophy (MSA), because it can cause aspiration pneumonia, which is potentially fatal. In this study, the Neuromuscular disease Swallowing Status Scale (NdSSS), which was developed to evaluate dysphagia in patients with neuromuscular diseases, was used to evaluate patients with MSA. In addition, correlation between a history of pneumonia and swallowing function was evaluated.MethodsStudy 1: Reliability, concurrent validity, and responsiveness of the NdSSS in patients with MSA. In 81 patients for whom evaluation items could be collected, the NdSSS was tested for its interrater and intrarater reliability using weighted kappa statistics. Concurrent validity was assessed by correlating the NdSSS with existing scales (Functional Oral Intake Scale (FOIS), Functional Intake LEVEL Scale (FILS), and the unified MSA rating scale (UMSARS)) using Spearman's rank correlation coefficients. Sixty-three patients were evaluated by videofluorographic (VF) swallowing examination. To evaluate concurrent validity, Spearman's rank correlation coefficients were calculated between the NdSSS and VF swallowing assessments. Additionally, scale responsiveness was determined using the standardized response mean (SRM) in 23 patients who could be followed up to assess their long-term course. Study 2: Cross-sectional survey of swallowing function and history of pneumonia. Data regarding history of pneumonia, UMSARS, NdSSS, age, sex, MSA subtype, and disease duration were retrospectively obtained from the medical records of 113 patients with MSA. Differences in these parameters and NdSSS stage between those with and without a history of pneumonia were examined using the Mann-Whitney test or chi-squared test. Furthermore, clinical factors related to a history of pneumonia were examined by binomial logistic regression analysis.ResultsThe NdSSS showed satisfactory reliability, concurrent validity, and responsiveness. A history of pneumonia was related to the severity of MSA, age, MSA subtype, and NdSSS stage. Binomial logistic regression analysis showed that NdSSS stage (odds ratio (OR), 0.490; 95% confidence interval (CI), 0.301–0.797, p = 0.001) and MSA subtype (OR, 4.031; 95% CI, 1.225–13.269, p = 0.021) were significantly associated with a history of pneumonia.ConclusionsIn patients with MSA, the NdSSS has sufficient reliability, concurrent validity, and responsiveness for assessing dysphagia. Patients with a history of pneumonia have more severe dysphagia. We found that the pneumonia risk was related to NdSSS stage and MSA-p (predominantly parkinsonism). Meticulous care to prevent aspiration is needed from early stages of the disease.https://www.frontiersin.org/articles/10.3389/fneur.2022.904852/fullpneumoniavideofluorographicreliabilityvalidityneurodegenerative disease
spellingShingle Ayako Wada
Ayako Wada
Michiyuki Kawakami
Yuka Yamada
Kentaro Kaji
Nanako Hijikata
Fumio Liu
Tomoyoshi Otsuka
Tetsuya Tsuji
Relationship Between Pneumonia and Dysphagia in Patients With Multiple System Atrophy
Frontiers in Neurology
pneumonia
videofluorographic
reliability
validity
neurodegenerative disease
title Relationship Between Pneumonia and Dysphagia in Patients With Multiple System Atrophy
title_full Relationship Between Pneumonia and Dysphagia in Patients With Multiple System Atrophy
title_fullStr Relationship Between Pneumonia and Dysphagia in Patients With Multiple System Atrophy
title_full_unstemmed Relationship Between Pneumonia and Dysphagia in Patients With Multiple System Atrophy
title_short Relationship Between Pneumonia and Dysphagia in Patients With Multiple System Atrophy
title_sort relationship between pneumonia and dysphagia in patients with multiple system atrophy
topic pneumonia
videofluorographic
reliability
validity
neurodegenerative disease
url https://www.frontiersin.org/articles/10.3389/fneur.2022.904852/full
work_keys_str_mv AT ayakowada relationshipbetweenpneumoniaanddysphagiainpatientswithmultiplesystematrophy
AT ayakowada relationshipbetweenpneumoniaanddysphagiainpatientswithmultiplesystematrophy
AT michiyukikawakami relationshipbetweenpneumoniaanddysphagiainpatientswithmultiplesystematrophy
AT yukayamada relationshipbetweenpneumoniaanddysphagiainpatientswithmultiplesystematrophy
AT kentarokaji relationshipbetweenpneumoniaanddysphagiainpatientswithmultiplesystematrophy
AT nanakohijikata relationshipbetweenpneumoniaanddysphagiainpatientswithmultiplesystematrophy
AT fumioliu relationshipbetweenpneumoniaanddysphagiainpatientswithmultiplesystematrophy
AT tomoyoshiotsuka relationshipbetweenpneumoniaanddysphagiainpatientswithmultiplesystematrophy
AT tetsuyatsuji relationshipbetweenpneumoniaanddysphagiainpatientswithmultiplesystematrophy