Ambulatory oxygen for treatment of exertional hypoxaemia in pulmonary fibrosis (PFOX) : a multicentre, randomised, sham-controlled trial
Background: Ambulatory oxygen therapy can be used to treat exertional hypoxaemia during daily life activities in people with fibrotic interstitial lung disease (ILD). However, evidence for its efficacy is scarce. This trial aimed to compare the effects of ambulatory oxygen with ambulatory air on physical activity in daily life over 6 months in people with fibrotic ILD and isolated exertional hypox
