PMID: 3353874Jan 1, 1988Paper

Effects of breathing supplemental oxygen before progressive exercise in patients with chronic obstructive lung disease

Thorax
J L McKeonN A Saunders

Abstract

A study was carried out to determine whether supplemental oxygen before exercise would improve maximum exercise performance and relieve exertional dyspnoea in 20 patients with chronic obstructive lung disease (mean FEV1 0.79 l; forced vital capacity 2.30 l). Patients performed two progressive treadmill exercise tests to a symptom limited maximum, with at least 30 minutes rest between tests. They received compressed air or supplemental oxygen from nasal prongs for 10 minutes before exercise in a double blind randomised trial with a crossover design. Heart rate and breathlessness score on a visual analogue scale were compared between tests at 75% of the maximum distance walked in the compressed air test. The mean arterial oxygen saturation (SaO2) after oxygen (93%) was significantly higher than after compressed air (91%). There was no significant change, however, in maximum distance walked or maximum heart rate, or in the breathlessness score or heart rate at 75% of maximum distance walked. The study had a power of 93% for detecting an increase of 50 metres in maximum distance walked. There was an order effect, with better performance on the second test; but the magnitude of the difference was small. It is concluded that administ...Continue Reading

References

Jul 9, 1977·British Medical Journal·R J Leggett, D C Flenley
Dec 1, 1986·European Journal of Clinical Investigation·A HenriquezP Sadoul
Jan 1, 1986·Respiration; International Review of Thoracic Diseases·R I Stewart, C A Lewis

Citations

Feb 5, 2005·Respirology : Official Journal of the Asian Pacific Society of Respirology·Yu ChenShengqi Li
Feb 18, 2012·American Journal of Respiratory and Critical Care Medicine·Mark B ParshallAmerican Thoracic Society Committee on Dyspnea
Dec 1, 2007·International Journal of Chronic Obstructive Pulmonary Disease·Hope E UronisAmy P Abernethy
Aug 8, 2008·Current Opinion in Supportive and Palliative Care·Hope E Uronis, Amy P Abernethy
Dec 14, 2012·Expert Review of Respiratory Medicine·Surinder K Jindal, Ritesh Agarwal
Nov 27, 2009·COPD·Ralph J Panos, William Eschenbacher
Jul 8, 2010·Chest·James K StollerLong-term Oxygen Treatment Trial Research Group
Jun 3, 2011·Archivos de bronconeumología·Karina Dela ColetaIrma Godoy
Feb 13, 2004·Respiratory Medicine·Sara BoothExpert Working Group of the Scientific Committee of the Association of Palliative Medicine
Jun 2, 2006·Respiratory Medicine·Brenda O'NeillJ M Bradley
Nov 11, 2005·Chronic Respiratory Disease·D Górecka
Apr 20, 2007·The Cochrane Database of Systematic Reviews·M L NonoyamaR S Goldstein
Nov 26, 2013·The Cochrane Database of Systematic Reviews·Claudia BauseweinIrene J Higginson
Nov 26, 2016·The Cochrane Database of Systematic Reviews·Magnus EkströmDavid Currow

Related Concepts

Dyspnea
Cardiopulmonary Exercise Test
Lung Diseases, Obstructive
Dioxygen
Oxygen Therapy Care

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