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Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease
Published on: August 24, 2019
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Inspiratory and Expiratory Muscle Strength Training for Persistent Dyspnea in Post-COVID-19
Sandra P Morgan1,2, Bini Thomas1, Carmen S Rodriguez1
1University of South Florida, Tampa, USA.
Clinical Nursing Research
|September 25, 2025
Summary
Home-based respiratory muscle strength training significantly reduced dyspnea and improved pulmonary function in COVID-19 survivors. This 12-week program was found to be feasible and acceptable for post-COVID-19 patients experiencing persistent symptoms.
Area of Science:
- Pulmonology
- Rehabilitation Medicine
- Infectious Diseases
Background:
- COVID-19 can lead to viral-induced myopathy, causing persistent dyspnea.
- Respiratory muscle weakness is a common post-COVID-19 symptom impacting quality of life.
- Respiratory muscle strength training (RMST) shows promise in managing post-viral respiratory complications.
Purpose of the Study:
- To evaluate the effectiveness of a 12-week home-based RMST program in reducing dyspnea in post-COVID-19 survivors.
- To assess the feasibility and acceptability of this home-based intervention.
- To investigate the impact of RMST on pulmonary function and functional capacity.
Main Methods:
- A single-group trial involving adults more than 4 weeks post-acute COVID-19 illness.
- Participants underwent a 12-week home-based RMST program with in-person assessments at baseline, 6, and 12 weeks.
- Outcome measures included dyspnea, pulmonary symptoms, quality of life, pulmonary function tests, and the 6-minute walk test.
Main Results:
- Significant reductions in dyspnea (p=0.005) and pulmonary symptoms (p<0.001) were observed.
- Quality of life index scores (p=0.013) and visual analog scale ratings (p=0.004) significantly improved.
- Significant improvements were noted in peak inspiratory flow (p<0.001), FEV1 (p<0.001), thoracic expansion (p<0.001), and 6-minute walk distance (p<0.001).
- Adherence exceeded 95%, with high feasibility and acceptability scores.
Conclusions:
- Home-based RMST is an effective and acceptable standalone strategy for reducing persistent dyspnea in post-COVID-19 survivors.
- The intervention demonstrates significant benefits for pulmonary function and quality of life.
- RMST offers a viable rehabilitation option for individuals recovering from COVID-19.
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