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Long term oxygen does not benefit patients with stable COPD, study finds

BMJ 2016; 355 doi: (Published 28 October 2016) Cite this as: BMJ 2016;355:i5810
  1. Susan Mayor
  1. London

Prescribing long term oxygen to patients with stable chronic obstructive pulmonary disease (COPD) and moderate desaturation at rest or during exercise does not extend the time to death or first admission or improve lung function or exercise capacity, a randomised trial has shown.1

Previous studies have shown that long term supplemental oxygen may reduce mortality in patients with COPD and severe resting hypoxaemia, resulting in guidelines recommending supplemental oxygen for patients with an oxyhaemoglobin saturation of less than 89%. But the benefits of long term oxygen in …

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