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Published on: February 3, 2014
Vocal fold mucus aggregation in persons with voice disorders.
Heather Shaw Bonilha1, Lisa White, Kelsey Kuckhahn
1Department of Health Sciences and Research, Medical University of South Carolina, Charleston, SC 29425, USA. bonilhah@musc.edu
Mucus aggregation on vocal folds is present in all voice disorder patients. While not differing in frequency, mucus characteristics vary between those with and without voice disorders, impacting diagnosis and treatment.
Area of Science:
- Laryngology
- Voice Science
- Medical Imaging
Background:
- Mucus aggregation on vocal folds is frequently observed during laryngeal endoscopy.
- Patients with voice disorders often report mucus aggregation, leading to throat clearing behaviors potentially harmful to vocal fold mucosa.
- Current understanding of mucus aggregation in voice disorders is limited.
Purpose of the Study:
- To assess the presence and characteristics of vocal fold mucus aggregation in individuals with voice disorders.
- To compare mucus aggregation features between individuals with and without voice disorders.
Main Methods:
- Laryngeal endoscopy recordings from 54 speakers with voice disorders and a control group were analyzed.
- Four specific features of mucus aggregation were visually rated.
- Statistical analysis was used to compare mucus aggregation between groups.
Main Results:
- All individuals with voice disorders (100%) exhibited visible mucus aggregation on their vocal folds.
- Significant differences in mucus characteristics were found between hyperfunctional and hypofunctional voice disorders (p=0.002).
- While the frequency of mucus aggregation did not differ between dysphonic and non-dysphonic speakers, their mucus characteristics were significantly different (p=0.001).
Conclusions:
- Vocal fold mucus aggregation is a universal finding in individuals with voice disorders.
- Distinct mucus characteristics differentiate individuals with and without voice disorders.
- Further research is needed to correlate these mucus differences with laryngeal pathology and patient characteristics for improved diagnosis and treatment.
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