Interstitial Lung Disease
Conditions
Keywords
6 minute walk test, idiopathic pulmonary fibrosis, pulmonary arterial hypertension
Brief summary
Two - four 6MWT performed according to ATS standards. Each walk however had specifically altered wording and coaching performed in random order to determine differences in outcomes. One walk was done in the standard ATS fashion. One was done coaching to walk as fast as the patient can walk. One was coached to walk at the patients normal walking pace. One was coached to walk at the patient's leisure walking pace.
Detailed description
Alternate 6MWT where subjects will be asked to walk as fast as they can, walk as normal as they can and walk leisurely as they can in 6 minutes compared to standard of care 6MWT which is walk as far as you can in 6 minutes.
Interventions
PROCEDUREalternative six minute walk test
Alternate instructions will be given Subjects will 1. walk as fast as they can in 6 minutes 2. walk as normally as they can in 6 minutes 3. walk leisurely as they can in 6 minutes. Pts will serve as their own controls.
PROCEDUREStandard six minute walk test
Subjects will walk as far as they can in 6 minutes
Sponsors
National Heart, Lung, and Blood Institute (NHLBI)
Inova Health Care Services
Study design
Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
DIAGNOSTIC
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
18 Years to 90 Years
Healthy volunteers
No
Inclusion criteria
* advanced lung disease such as COPD, ILD, IPF, or PAH
Exclusion criteria
* inability to walk, requiring supplemental oxygen, cardiac disease preventing successful 6MWT
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| distance meters | 1 day | this is an ongoing study of same day testing of 2-4 six minute walk tests, each with different instructions, to determine the impact of alternative instruction on outcome of the test |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| oxygen saturation | 1 day | assessed as an outcome of variable instruction given in different six minute walk tests performed in random order on the same day |
| dyspnea score | 1 day | assessed as an outcome of variable instruction given in different six minute |
| heart rate response | 1 day | assessed as an outcome of variable instruction given in different six minute |
Other
| Measure | Time frame | Description |
|---|---|---|
| heart rate recovery at one minute | 1 day | assessed as an outcome of variable instruction given in different six minute |
Countries
United States
Outcome results
None listed