This case series examined the effectiveness of an 8-week home-based respiratory muscle training program in three patients with COPD with different symptomatologies and disease severities. Included patients underwent lung function testing during exercise (FEV1, FVC, FEV1/FVC ratio), which was performed using the Vitalograph Pneumotrac spirometer.
- Author Chang H et al.
- Publication Clinical Case Reports International
- Year 2022
- Device Type Pneumotrac, Spirotrac