Chronic obstructive pulmonary disease
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Patients aged 35-80 years who meet the diagnosis of chronic obstructive pulmonary disease; (2) The usual place of residence is residents of urban areas such as Changsha, Wangcheng, Liuyang, and Ningxiang; (3) On the day of enrollment, the pulmonary function report showed that after inhaling bronchodilators (15-30 minutes after inhaling 400 µ g of salbutamol), the FEV1/FVC was less than 0.70, and the percentage of FEV1 to the expected value was between 30% and 80% (i.e. GOLD grade 2-3); (4) Has experienced 2 or more moderate acute exacerbations or 1 or more severe acute exacerbations within the past 12 months, supported by clinical medical records; (5) No acute exacerbation has occurred within 4 consecutive weeks; (6) Sign the informed consent form, understand and actively cooperate with the follow-up work.
Exclusion criteria
Exclusion criteria: (1) Merge important diseases other than chronic obstructive pulmonary disease; (2) Patients with significant clinical abnormalities in laboratory tests; (3) Merge clinically significant restrictive ventilation dysfunction diseases such as pneumoconiosis; (4) Merge untreated or advanced malignant tumors; (5) Merge active pulmonary tuberculosis; (6) Patients with life-threatening pulmonary embolism, clinically significant alpha 1-antitrypsin deficiency, or cystic fibrosis; (7) History of lobectomy; (8) Lower limb mobility impairment, unable to complete the six minute walking test assessment alone; (9) Complies with absolute contraindications for pulmonary function tests; (10) Have participated in other respiratory clinical trials within the past 3 months prior to screening; (11) Researchers believe that patients who are not suitable to participate in clinical studies.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Frequency of moderate to severe acute exacerbation of chronic obstructive pulmonary disease;Maximal Inspiratory Pressure,MIP;Six-Minute-Walk-Distance,6MWD;modified British Medical Research Council,mMRC;Pulmonary function; | — |
Secondary
| Measure | Time frame |
|---|---|
| Home oxygen therapy time;Non invasive ventilation time at night;Adverse events related to rehabilitation therapy;COPD related treatment costs;Compliance;Satisfaction ; | — |
Countries
China
Contacts
Changsha Central Hospital