chronic obstructive pulmonary disease
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: COPD patients Patients aged 20 years or older diagnosed with chronic obstructive pulmonary disease (Guidelines for the Diagnosis and Treatment of COPD, 4th Edition, Japanese Respiratory Society) Patients who visited Shinshu University Hospital for diagnosis and treatment of COPD. Patients who have given written consent for participation and enrollment in clinical research. Healthy volunteers Healthy subjects over 18 years of age without respiratory disease or respiratory dysfunction. Outpatients with diseases other than COPD, such as sleep apnea syndrome, who has normal respiratory function. Persons who have given written consent for participation and enrollment in the clinical study.
Exclusion criteria
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.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 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. | — |
Countries
Japan
Contacts
Nagoya University Department of Integrated Health Sciences Nagoya University Graduate School of Medicine