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Updated: Sep 2, 2025
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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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Short-Term Oxygen Therapy Outcomes in COPD
Thibaud Soumagne1, François Maltais1, François Corbeil2
1Quebec Heart and Lung Institute, Laval University, Quebec, Canada.
Summary
Short-term oxygen therapy (STOT) for chronic obstructive pulmonary disease (COPD) patients after hospitalization is common but lacks evidence. STOT indicates disease progression and predicts the need for long-term oxygen therapy (LTOT) and increased mortality.
Area of Science:
- Pulmonary Medicine
- Respiratory Care
Background:
- Short-term oxygen therapy (STOT) is frequently prescribed for patients with chronic obstructive pulmonary disease (COPD) upon hospital discharge after acute illness.
- The clinical evidence supporting the routine use of STOT in this context is limited.
Purpose of the Study:
- To characterize patients with COPD who received STOT.
- To investigate the outcomes associated with STOT in COPD patients.
Main Methods:
- Secondary analysis of the INOX trial, a 4-year randomized trial of nocturnal oxygen in COPD.
- Combined patients receiving nocturnal oxygen and placebo to analyze STOT predictors and outcomes.
- Included 243 participants, with 60 requiring STOT at least once.
Main Results:
- Patients needing STOT exhibited more severe dyspnea, lung function impairment, and lower baseline PaO2.
- STOT was linked to a higher likelihood of requiring long-term oxygen therapy (LTOT) (HR: 4.59) and increased mortality (HR: 1.93).
- Prolonged or repeated STOT episodes ( > 1 month) significantly increased the odds of progressing to LTOT (OR: 5.07).
Conclusions:
- Persistent hypoxemia requiring STOT after an acute respiratory illness in COPD signifies disease progression.
- STOT is a marker for future LTOT needs and elevated mortality risk in COPD patients.
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