First Affiliated Hospital Xi'an Jiaotong University
Tianjin Medical University General Hospital
The First Hospital of Qinhuangdao
Shandong Provincial Hospital
Second Hospital of Jilin University
People's Hospital of Xinjiang Uygur Autonomous Region
MinDong Hospital of Ningde City
Age
20–75
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
1\) Age range from 20 to 75 years old, regardless of gender; 2) Pulmonary function test: After inhaling bronchodilators, FEV1/FVC ≥ 70%, and FEV1\<80% of the expected value; 3) Agree to enter this research project and sign an informed consent form 4) Able to comply with research protocols.
You may not be if
1\) Confirmed chronic obstructive pulmonary disease, bronchial asthma, bronchiectasis, interstitial lung disease, occupational lung disease, tuberculosis, pulmonary vascular disease, central airway stenosis and other confirmed respiratory diseases.
2\) Have undergone lobectomy and/or lung transplantation; 3) complicated with serious underlying diseases (including serious mental illness, mental retardation, neurological disease, malignant tumor, chronic liver disease, heart failure, autoimmune disease, chronic kidney disease); 4) accompanied by severe pleural disease and/or lesions of the sternum or ribs; 5) Have active tuberculosis or are receiving anti-tuberculosis treatment; 6) Pregnancy or lactation; 7) Can not be followed up for a long time or poor compliance;
