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Chapin JL, Gray LT, Vasilopoulos T, Anderson A, DiBiase L, York JD, Robison R, Wymer J, Plowman EK. Diagnostic utility of the amyotrophic lateral sclerosis Functional Rating Scale-Revised to detect pharyngeal dysphagia in individuals with amyotrophic lateral sclerosis. PLoS One 2020; 15:e0236804. [PMID: 32790801 PMCID: PMC7425890 DOI: 10.1371/journal.pone.0236804] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 07/13/2020] [Indexed: 12/18/2022] Open
Abstract
Objective The ALS Functional Rating Scale–Revised (ALSFRS-R) is the most commonly utilized instrument to index bulbar function in both clinical and research settings. We therefore aimed to evaluate the diagnostic utility of the ALSFRS-R bulbar subscale and swallowing item to detect radiographically confirmed impairments in swallowing safety (penetration or aspiration) and global pharyngeal swallowing function in individuals with ALS. Methods Two-hundred and one individuals with ALS completed the ALSFRS-R and the gold standard videofluoroscopic swallowing exam (VFSE). Validated outcomes including the Penetration-Aspiration Scale (PAS) and Dynamic Imaging Grade of Swallowing Toxicity (DIGEST) were assessed in duplicate by independent and blinded raters. Receiver operator characteristic curve analyses were performed to assess accuracy of the ALSFRS-R bulbar subscale and swallowing item to detect radiographically confirmed unsafe swallowing (PAS > 3) and global pharyngeal dysphagia (DIGEST >1). Results Although below acceptable screening tool criterion, a score of ≤ 3 on the ALSFRS-R swallowing item optimized classification accuracy to detect global pharyngeal dysphagia (sensitivity: 68%, specificity: 64%, AUC: 0.68) and penetration/aspiration (sensitivity: 79%, specificity: 60%, AUC: 0.72). Depending on score selection, sensitivity and specificity of the ALSFRS-R bulbar subscale ranged between 34–94%. A score of < 9 optimized classification accuracy to detect global pharyngeal dysphagia (sensitivity: 68%, specificity: 68%, AUC: 0.76) and unsafe swallowing (sensitivity:78%, specificity:62%, AUC: 0.73). Conclusions The ALSFRS-R bulbar subscale or swallowing item did not demonstrate adequate diagnostic accuracy to detect radiographically confirmed swallowing impairment. These results suggest the need for alternate screens for dysphagia in ALS.
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Affiliation(s)
- Jennifer L. Chapin
- Aerodigestive Research Core, University of Florida, Gainesville, FL, United States of America
| | - Lauren Tabor Gray
- Aerodigestive Research Core, University of Florida, Gainesville, FL, United States of America
- Department of Neurology, Phil Smith Neuroscience Institute, Holy Cross Hospital, Fort Lauderdale, FL, United States of America
| | - Terrie Vasilopoulos
- Department of Anesthesiology, College of Medicine, University of Florida, Gainesville, FL, United States of America
| | - Amber Anderson
- Aerodigestive Research Core, University of Florida, Gainesville, FL, United States of America
- Department of Speech, Language and Hearing Sciences, University of Florida, Gainesville, FL, United States of America
| | - Lauren DiBiase
- Aerodigestive Research Core, University of Florida, Gainesville, FL, United States of America
- Department of Speech, Language and Hearing Sciences, University of Florida, Gainesville, FL, United States of America
| | - Justine Dallal York
- Aerodigestive Research Core, University of Florida, Gainesville, FL, United States of America
- Department of Speech, Language and Hearing Sciences, University of Florida, Gainesville, FL, United States of America
| | - Raele Robison
- Aerodigestive Research Core, University of Florida, Gainesville, FL, United States of America
- Department of Speech, Language and Hearing Sciences, University of Florida, Gainesville, FL, United States of America
| | - James Wymer
- Department of Neurology, College of Medicine, University of Florida, Gainesville, FL, United States of America
| | - Emily K. Plowman
- Aerodigestive Research Core, University of Florida, Gainesville, FL, United States of America
- Department of Speech, Language and Hearing Sciences, University of Florida, Gainesville, FL, United States of America
- Department of Neurology, College of Medicine, University of Florida, Gainesville, FL, United States of America
- Department of Surgery, College of Medicine, University of Florida, Gainesville, FL, United States of America
- * E-mail:
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Frakking TT, Chang AB, David M, Orbell‐Smith J, Weir KA. Clinical feeding examination with cervical auscultation for detecting oropharyngeal aspiration: A systematic review of the evidence. Clin Otolaryngol 2019; 44:927-934. [DOI: 10.1111/coa.13402] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2018] [Revised: 05/16/2019] [Accepted: 07/07/2019] [Indexed: 02/02/2023]
Affiliation(s)
- Thuy T. Frakking
- Speech Pathology Department & Research Development Unit, Metro North Hospital & Health Service, Queensland Health Caboolture Hospital Caboolture QLD Australia
- School of Health and Rehabilitation Sciences The University of Queensland St Lucia QLD Australia
| | - Anne B. Chang
- Department of Respiratory Medicine Queensland Children's Hospital QLD Australia
- Child Health Division, Menzies School of Health Research Charles Darwin University Casuarina NT Australia
- Centre for Children's Health Research Queensland University of Technology QLD Australia
| | - Michael David
- School of Medicine and Public Health The University of Newcastle Gosford NSW Australia
| | - Jane Orbell‐Smith
- Library Services, Metro North Hospital & Health Service Caboolture Hospital Caboolture QLD Australia
| | - Kelly A. Weir
- School of Allied Health Sciences, Menzies Health Institute Queensland Griffith University Brisbane QLD Australia
- Clinical Governance, Education & Research Gold Coast University Hospital Southport QLD Australia
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