References
- O'Donnell DE, Webb KA. The major limitation to exercise performance in COPD is dynamic hyperinflation. J Appl Physiol 2008; 105(2):753–755.
- Aliverti A, Macklem PT. The major limitation to exercise performance in COPD is inadequate energy supply to the respiratory and locomotor muscles. J Appl Physiol 2008; 105(2):749–751.
- Debigare R, Maltais F. The major limitation to exercise performance in COPD is lower limb muscle dysfunction. J Appl Physiol 2008; 105(2):751–753.
- O'Donnell DE, Bain DJ, Webb KA. Factors contributing to relief of exertional breathlessness during hyperoxia in chronic airflow limitation. Am J Respir Crit Care Med 1997; 155(2):530–535.
- Somfay A, Porszasz J, Lee SM, Casaburi R. Effect of hyperoxia on gas exchange and lactate kinetics following exercise onset in nonhypoxemic COPD Patients. Chest 2002; 121(2):393–400.
- O'Donnell DE, D'Arsigny C, Webb KA. Effects of hyperoxia on ventilatory limitation during exercise in advanced chronic obstructive pulmonary disease. Am J Respir Crit Care Med 2001; 163(4):892–898.
- Maldonado D, Gonzalez-Garcia M, Barrero M, Torres-Duque C, Casas A. Reference values for arterial blood gases at an altitude of 2640 meters. Am J Respir Crit Care Med 2013; 187:A4852.
- Gonzalez-Garcia M, Barrero M, Maldonado D. Exercise limitation in patients with chronic obstructive pulmonary disease at the altitude of Bogota (2640 m). Breathing pattern and arterial gases at rest and peak exercise. Arch Bronconeumol 2004; 40(2):54–61.
- Gonzalez M, Barrero M, Maldonado D. The major limitation to exercise performance in COPD patients at the altitude of Bogotá (2640m) is hypoxemia. Chest 2009; 136(4):62S–62f.
- Machin D, Campbell MJ, Fayers P, Pinol A. Sample Size Tables for Clinical Studies. Second Edition. Oxford: Blackwell Science, 1997.
- Miller MR, Hankinson J, Brusasco V Standardisation of spirometry. Eur Respir J 2005; 26(2):319–338.
- MacIntyre N, Crapo RO, Viegi G Standardisation of the single-breath determination of carbon monoxide uptake in the lung. Eur Respir J 2005; 26(4):720–735.
- Crapo RO, Morris AH, Gardner RM. Reference spirometric values using techniques and equipment that meet ATS recommendations. Am Rev Respir Dis 1981; 123(6):659–664.
- Surveillance for respiratory hazards in the occupational setting [American Thoracic Society] Am Rev Respir Dis 1982; 126(5):952–956.
- Borg GA. Psychophysical bases of perceived exertion. Med Sci Sports Exerc 1982; 14(5):377–381.
- Puente-Maestu L, Villar F, de Miguel J, Clinical relevance of constant power exercise duration changes in COPD. Eur Respir J 2009; 34(2):340–345.
- Heraud N, Prefaut C, Durand F, Varray A. Does correction of exercise-induced desaturation by O(2) always improve exercise tolerance in COPD? A preliminary study. Respir Med 2008; 102(9):1276–1286.
- Somfay A, Porszasz J, Lee SM, Casaburi R. Dose-response effect of oxygen on hyperinflation and exercise endurance in nonhypoxaemic COPD patients. Eur Respir J 2001; 18(1):77–84.
- Snider GL. Enhancement of exercise performance in COPD patients by hyperoxia. Chest 2002; 122(5):1830–1836.
- McDonald CF, Blyth CM, Lazarus MD, Marschner I, Barter CE. Exertional oxygen of limited benefit in patients with chronic obstructive pulmonary disease and mild hypoxemia. Am J Respir Crit Care Med 1995; 152(5):1616–1619.
- Jolly EC, Di Boscio V, Aguirre L, Effects of supplemental oxygen during activity in patients with advanced COPD without severe resting hypoxemia. Chest 2001; 120(2):437–443.
- Stein DA, Bradley BL, Miller WC. Mechanisms of oxygen effects on exercise in patients with chronic obstructive pulmonary disease. Chest 1982; 81(1):6–10.
- Maltais F, Simon M, Jobin J, Effects of oxygen on lower limb blood flow and O2 uptake during exercise in COPD. Med Sci Sports Exerc 2001; 33(6):916–922.
- Gosselin N, Durand F, Poulain M, Effect of acute hyperoxia during exercise on quadriceps electrical activity in active COPD patients. Acta Physiol Scand 2004; 181(3):333–343.
- Fujimoto K, Matsuzawa Y, Yamaguchi S, Koizumi T, Kubo K. Benefits of oxygen on exercise performance and pulmonary hemodynamics in patients With COPD with mild hypoxemia. Chest 2002; 122(2):457–463.
- Whipp BJ. Carotid bodies and breathing in humans. Thorax 1994; 49(11):1081–1084.
- O'Donnell DE, D'Arsigny C, Fitzpatrick M, Webb KA. Exercise hypercapnia in advanced chronic obstructive pulmonary disease: The role of lung hyperinflation. Am J Respir Crit Care Med 2002; 166(5):663–668.
- Ries AL, Bauldoff GS, Carlin BW, Pulmonary rehabilitation: Joint ACCP/AACVPR evidence-based clinical practice guidelines. Chest 2007; 131(5 suppl):4S–42S.