chronic obstructive pulmonary disease
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Meet the western diagnostic criteria for chronic obstructive pulmonary disease (COPD) at stable stage. 2. Age between 18 and 80 years old. 3. Voluntarily participate in the study and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Comorbidities associated with elevated blood eosinophils, including allergic diseases such as allergic asthma and allergic rhinitis, infectious diseases such as parasitic infections, hematological diseases such as Hodgkin’s disease, eosinophilic leukemia, and hypereosinophilic syndrome, immune system diseases such as eosinophilic granulomatosis with polyangiitis, as well as other conditions judged by the investigator that may affect syndrome differentiation. 2. Complicated with severe respiratory diseases including interstitial lung disease, malignant lung tumor, pulmonary infectious disease, pneumothorax, pleural effusion, etc., or complicated with severe cardiovascular and cerebrovascular diseases, severe hepatic and renal diseases, severe hematological malignancies, etc., which affect syndrome differentiation. 3. Patients complicated with various mental disorders (such as confusion, disturbance of consciousness, dementia, etc.) that prevent normal communication, or those unable to cooperate with the investigation due to other reasons.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Forced Vital Capacity; | — |
Secondary
| Measure | Time frame |
|---|---|
| Forced Expiratory Volume in 1 second;Forced Expiratory Volume in one second / Forced Vital Capacity;Peak Expiratory Flow;Maximal Mid-Expiratory Flow;Diffusing Capacity of the Lung for Carbon Monoxide;Fractional Exhaled Nitric Oxide;White Blood Cell Count;Red Blood Cell Count;Hemoglobin;Platelet Count;Neutrophil Count;Lymphocyte Count;Eosinophil Count; | — |
Countries
China
Contacts
The First Affiliated Hospital of Henan university of Chinese medicine