19
Participants
Start Date
May 1, 2024
Primary Completion Date
July 1, 2024
Study Completion Date
July 9, 2024
Continuous Positive Airway Pressure
Patients with COPD were recruited to breath under the atmosphere pressure and different levels of CPAP (4, 6, 8 and 10 cm H2O).
Guangzhou Medical University, Guangzhou
State Key Laboratory of Respiratory Disease
OTHER