COPD
Conditions
Interventions
Intervention group:SOVT exercise program, Vocal hygiene education
Control group:Vocal hygiene education
Sponsors
The Second Affiliated Hospital of Xiamen Medical College
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. formal diagnosis of COPD; being in the stable phase of COPD; 2. no signs of laryngopharyngeal reflux (LPR); 3. cognitive function capable of following clinician instructions on vocal assessment and voice therapy; 4. for female participants, not being pregnant; 5. adults (aged 18 or above).
Exclusion criteria
Exclusion criteria: 1.minors (aged below 18); 2.pregnant women; 3. not formally diagnosed with COPD; or not being in the stable phase of COPD; 4. signs of LPR; 5. mental or cognitive function abnormalities, incapable of following instructions on vocal assessment and voice therapy; 6.history of laryngeal or head and neck disease and surgery; or with severe heart diseases, neurological diseases, malignancies; 7.history of vocal training; 8.history of voice therapy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| maximum phonation time (MPT);s/z ratio (duration of /s/ vs. duration of /z/);Dyspnoea-12 questionnaire Chinese version (D-12-C); | — |
Secondary
| Measure | Time frame |
|---|---|
| forced expiratory volume in one second (FEV1);FEV1/forced vital capacity (FVC) ratio ;COPD Assessment Test (CAT); | — |
Countries
China
Contacts
Public ContactLanzhen Chen; Xiaoqin Hu
The Second Affiliated Hospital of Xiamen Medical College
Outcome results
None listed