Related Experiment Videos
[Comparative intensity-pressure study of patients with a voice prosthesis]
M Marraco1, J L Despons, F Devars
1CHU Pellegrin, Tripode, Clinique ORL, Bordeaux, France.
Revue De Laryngologie - Otologie - Rhinologie
|March 25, 1999
Summary
Voice prosthesis use in laryngectomized patients shows intensity relates to pressure, but not always to voice quality. Some patients achieve high pressure without voice, indicating prosthesis use or edema issues.
Area of Science:
- Laryngology
- Speech-Language Pathology
- Biomedical Engineering
Context:
- Investigating voice production in patients with laryngeal cancer requiring laryngectomy.
- Assessing the functional outcomes of alaryngeal speech rehabilitation.
- Evaluating the efficacy of voice prostheses in restoring vocal function.
Purpose:
- To analyze the relationship between expiratory pressure and voice intensity in laryngectomized patients using voice prostheses.
- To identify factors influencing voice production and intensity modulation in this patient population.
Summary:
- Most laryngectomized patients demonstrated increased voice intensity with higher expiratory pressure when using a voice prosthesis.
- A subset of patients generated high expiratory pressures without producing voice, suggesting potential issues with prosthesis utilization or physiological factors like edema.
- The study highlights a correlation between pressure and intensity but indicates it's not a definitive predictor of improved voice quality.
Impact:
- Provides insights into the functional mechanics of alaryngeal speech.
- Informs clinical practice regarding voice prosthesis fitting and patient آموزش.
- Suggests areas for further research into optimizing voice rehabilitation for laryngectomized individuals.