Chronic Obstructive Pulmonary Disease
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged 15-90 years old; 2. signed the informed consent file; 3. People who conform to the requirements of the questionnaire; 4. finish the pulmomary function test completly and up to standard C; 5. Chest X-ray shows no obvious pneumatosis and hydrops and with space-occupying lesion<=3cm.
Exclusion criteria
Exclusion criteria: 1. People who do not conform to the requirements of the questionnaire; 2. can not finish the pulmomary function test completly or up to standard C; 3. Chest X-ray shows obvious pneumatosis and hydrops and with space-occupying lesion>3cm.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| pulmonary function tes;Chest X-ray; | — |
Countries
China
Contacts
The Medical University of Guangzhou