The Role of Aspiration Amount on Airway Protective Responses in People with Neurogenic Dysphagia

The aim of this study was to examine relationships between the presence vs. absence of an aspiration-related airway protective response (i.e., coughing or throat clearing) with aspiration amount, trial volume, disease diagnosis, and disease duration in people with neurologic disease. A secondary ana...

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Bibliographic Details
Published in:Dysphagia 2023-08, Vol.38 (4), p.1212-1223
Main Authors: Curtis, James A., Borders, James C., Dakin, Avery E., Troche, Michelle S.
Format: Article
Language:English
Subjects:
Adult
Costs (Law)
Cough
Cough - etiology
Deglutition - physiology
Deglutition disorders
Deglutition Disorders - diagnosis
Diagnosis
Dysphagia
Gastroenterology
Hepatology
Humans
Imaging
Medical diagnosis
Medical research
Medicine
Medicine & Public Health
Medicine, Experimental
Nervous system diseases
Nervous System Diseases - complications
Neurological diseases
Original Article
Otorhinolaryngology
Radiology
Respiratory Aspiration - etiology
Respiratory Aspiration - prevention & control
Respiratory tract
Statistical analysis
Statistics
Swallowing
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Summary:The aim of this study was to examine relationships between the presence vs. absence of an aspiration-related airway protective response (i.e., coughing or throat clearing) with aspiration amount, trial volume, disease diagnosis, and disease duration in people with neurologic disease. A secondary analysis was completed of flexible endoscopic evaluations of swallowing (FEES) in people with neurologic disease. Thin liquid boluses with endoscopically confirmed aspiration were included. Aspiration amount was measured for each trial using the visual analysis of swallowing efficiency and safety (VASES). Statistical analyses were used to (1) compare aspiration amount between swallows with vs. without an airway protective response and (2) examine if trial volume, disease duration, and disease diagnosis were related to the presence of airway protective responses when controlling for aspiration amount. 422 aspirated swallows across 86 FEES were analyzed. Of the 59 people who aspirated more than once, 66.1% exhibited variability in the presence vs. absence of an airway protective response. Statistical analyses revealed airway protective responses were significantly related to aspiration amount ( p  
ISSN:0179-051X
1432-0460
DOI:10.1007/s00455-022-10546-x