| Title: | A Novel Unidirectional Face Mask During Noninvasive Positive Pressure Ventilation (NPPV) in Chronic Obstructive Pulmonary Disease (COPD) Patients ![]() |
| Status: | Not yet recruiting participants |
| Conditions: | Chronic Obstructive Pulmonary Disease |
| Interventions: | Device: A unidirectional face mask (Modified 'Respironics PerformaTrak' Mask) |
| Institutions: | Massachusetts General Hospital |
| Health Topics: | Chronic Obstructive Pulmonary Disease (COPD) |