Second Affiliated Hospital, Zhejiang University, School of Medicine
West China Hospital
Tongji Hospital
Third Military Medical University
Xiangya Hospital of Central South University
People's Hospital of Anshun City of Guizhou Province
Shanghai Pulmonary Hospital, Shanghai, China
Beijing Chao Yang Hospital
Age
4–95
Sex
ALL
Healthy volunteers
Accepted
You may be eligible if
life-long non-smokers
no symptoms and history of chronic cardiopulmonary diseases (chronic bronchitis, asthma, lung cancer, pulmonary fibrosis, pulmonary tuberculosis, chronic heart diseases, etc.)
no abnormal findings on physical examination
written informed consent was obtained
Diagnosis of chronic obstructive pulmonary disease (COPD), as classified by the Global Initiative for Chronic Obstructive Lung Disease (GOLD) guidelines and post-bronchodilator FEV1/FVC (forced vital capacity) \< 70%.
Diagnosis of asthma, as classified by national and international asthma guidelines.
ILD diagnosis confirmed by lung biopsy, X ray or BALF analysis.
Diagnosis of UAO.
You may not be if
upper or lower respiratory infection within 4 weeks
long-term exposure to harmful gas or particles
using β-blocker for treatment
pregnant women, epileptic
other diseases or surgeries potentially affecting lung function
Clareo Health | Multicenter Study of Impulse Oscillometry in Chinese
