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Laryngeal and vocal analysis in bulimic patients
Cynthia P Ferreira1, Ana Cristina Côrtes Gama, Marco Aurélio Rocha Santos
1Hospital da Santa Casa de Misericórdia de Belo Horizonte, Minas Gerais, Brazil.
Brazilian Journal of Otorhinolaryngology
|September 14, 2010
Summary
Patients with bulimia nervosa showed significantly more vocal and laryngeal abnormalities, including voice quality and acoustic measure disorders, compared to healthy individuals.
Area of Science:
- Otolaryngology
- Psychiatry
- Speech-Language Pathology
Background:
- Bulimia nervosa is a mental disorder characterized by binge eating and purging behaviors.
- Vocal and laryngeal health can be affected by eating disorders due to physiological changes and behaviors.
Purpose of the Study:
- To investigate and compare vocal and laryngeal abnormalities in women diagnosed with bulimia nervosa versus a healthy control group.
- To assess differences in perceptual and acoustic voice evaluations between the two groups.
Main Methods:
- A case-control study involving 22 women (11 with bulimia nervosa, 11 controls) aged 18-34.
- Otolaryngological examination, perceptual voice assessment (GRBASI scale), and acoustic voice analysis (jitter, shimmer, fundamental frequency, NHR, PPQ, APQ) were performed.
- Statistical analysis included chi-square and Kruskal-Wallis tests.
Main Results:
- Bulimic patients exhibited a higher prevalence of laryngeal abnormalities (p=0.000).
- Significantly higher scores on the GRBASI scale (GRBSI, p=0.000; A, p=0.022) were observed in the bulimic group.
- Acoustic analysis revealed higher jitter, shimmer, PPQ, and APQ values in patients with bulimia nervosa (p=0.033).
Conclusions:
- Individuals with bulimia nervosa present with a greater number of laryngeal, acoustic, and perceptual voice disorders compared to controls.
- These findings highlight the impact of bulimia nervosa on vocal function and laryngeal health.
- Further research is warranted to explore the specific mechanisms linking bulimia nervosa to these vocal changes.
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