Chronic obstructive pulmonary disease
Conditions
Interventions
Tibetan COPD case group:None
Han COPD case group:None
Sponsors
Sichuan University Huaxi Hospital Tibet Chengban Branch
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1 It meets the gold standard for the diagnosis of COPD , which is that after inhaling bronchodilators, FEV1/FVC is less than 0.7; 2 Age over 18 years old; 3 Those who can not undergo pulmonary function tests, but have been clinically diagnosed with COPD; 4 Voluntarily sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1 There are contraindications for pulmonary function testing: history of surgery, history of cardiovascular diseases, and history of severe diseases; 2 Suffering from respiratory diseases such as asthma, bronchial asthma, chronic bronchitis, emphysema, etc. 3 Those who are unable to complete the survey questionnaire.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pulmonary function;Gene polymorphisms; | — |
Countries
China
Contacts
Public ContactYiping Zeng
Sichuan University Huaxi Hospital Tibet Chengban Branch
Outcome results
None listed