The characteristics of patients and breathing causing dynamic pulmonary hyperinflation, a factor in dyspnea in chronic obstructive pulmonary disease; a retrospective study.
Not Applicable
- Conditions
- chronic obstructive pulmonary disease
- Registration Number
- JPRN-UMIN000048373
- Lead Sponsor
- agoya University
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Pending
- Sex
- All
- Target Recruitment
- 174
Inclusion Criteria
Not provided
Exclusion Criteria
Persons with heart failure. Patients with exacerbations or respiratory infections within 3 months. Patients with serious cardiac disease or arrhythmia. Patients who have difficulty in walking due to motor or cognitive dysfunction. Patients on long-term oxygen therapy.
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method The decrease of the inspiratory capacity after 20, 30, and 40 bpm of hyperventilations relative to the inspiratory capacity at rest, as a index of dynamic pulmonary hyperinflation.
- Secondary Outcome Measures
Name Time Method