None—only healthy participants are included in the study
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - 3 age categories (18–44, 45–60, and > 60 years) - Normal Voice Handicap Index, Vocal Fatigue Index, and Vocal Tract Discomfort scores - The last episode of pneumonia, laryngitis, or upper respiratory tract infection occurred more than 3 months ago
Exclusion criteria
Exclusion criteria: - Potential participants are unable to wear a mask properly during the examination; - Pregnancy in women; - Velopharyngeal insufficiency; - Acute or recent history of voice disorders; - Asthma and/or COPD; - Acute allergies affecting the upper respiratory tract; - Current smokers
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Aerodynamic parameters: - Pressure (cmH2O) - Flow (ml/sec) - Press/Flow - Flow/Press - Oral-Flow (ml/sec) - Nasal-Flow (ml/sec) - %Nasalance | — |
Secondary
| Measure | Time frame |
|---|---|
| Gender and/or age differences in the primary endpoints, as well as the distribution of SPL (dB) and pitch (Hz) | — |
Countries
Germany
Contacts
SRH University of Applied Sciences Heidelberg