Effect of EPAP Device on Emphysema and Lung Bullae

NCT04742114 · clinicaltrials.gov ↗

NA

Phase

UNKNOWN

Status

200

Enrollment

OTHER

Sponsor class

Conditions

Emphysema
Bullous Disease Lung

Interventions

DEVICE: use the face mask with Expiratory Positive Airway Pressure(EPAP).
DEVICE: use the face mask without Expiratory Positive Airway Pressure(EPAP).

Sponsor

Qilu Hospital of Shandong University