Journal
CLINICAL OTOLARYNGOLOGY
Volume 46, Issue 3, Pages 570-576Publisher
WILEY
DOI: 10.1111/coa.13714
Keywords
COPD; laryngo-pharyngeal reflux; larynx; methods; pharynx; sensation
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Funding
- University Hospital of the Federal University of Santa Maria, Brazil
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The study revealed reduced laryngeal sensation and impaired oropharyngeal sensation in COPD patients, which may be associated with pooled salivary secretions in the pharynx.
Objective: To describe and compare the findings of endoscopic sensory assessment in COPD patients and healthy controls. Design: A prospective cross-sectional study. Setting: Otorhinolaryngology outpatient clinic at a university hospital. Participants: 27 adults with COPD and 11 age-matched healthy controls. Main outcome measures: Group differences in light touch endoscopic tests of pharyngeal and laryngeal sensation, controlling for pooled salivary secretions in the pharynx and laryngo-pharyngeal reflux as measured by the Reflux Finding Score (RFS). Results: A significant difference in laryngeal sensation was found between the study groups (P = .047), with reduced laryngeal sensation in the COPD patients. Additionally, a significant relationship was found between impaired oropharyngeal sensation and the presence of pooled salivary secretions in the pharynx (P = .018), especially in the pyriform sinuses (P = .012). No differences in the frequency of abnormal RFSs were found between groups. Conclusion: Individuals with COPD were significantly more likely to present with impaired laryngeal sensation. Additionally, impaired sensation in the oropharynx was associated with pooled salivary secretions in the pharynx.
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