Long-term Effects of Endobronchial Valve Implantation on Cardiac Function and Skeletal Muscle Function
Chronic Obstructive Pulmonary Disease
About this trial
This is an interventional treatment trial for Chronic Obstructive Pulmonary Disease
Eligibility Criteria
Inclusion Criteria: Patients with Chronic Obstructive Pulmonary Disease FEV1 ≤ 45% pred and FEV1/FVC<70% TLC>100% pred and RV>175% pred CAT score≥18 Emphysema damage>50% Complete interlobar fissure >95% based on quantitative analysis of CT measurement No smoking>6 months Sign the informed consent form Exclusion Criteria: PaCO2>8.0 kPa, or PaO2<6.0 kPa 6-minute walk test<160m Obvious chronic bronchitis, bronchiectasis or other infectious pulmonary diseases More than 3 hospitalizations for pulmonary infection in the past 12 months before baseline assessment Previous lobectomy, LVRS or lung transplantation LVEF<45% and or RVSP>50mmHg Anticoagulant therapy that cannot be stopped before surgery Patients with obvious immune deficiency Participated in other lung drug studies within the first 30 days of this study Pulmonary nodules requiring intervention Any disease or condition that interferes with the completion of the initial or subsequent assessment
Sites / Locations
Arms of the Study
Arm 1
Experimental
Lung volume reduction surgery group