Aerosure and Six Minute Walk Distance in Severe COPD

Exclusion Criteria

• •Contraindications to spirometry \[1\]
• •Contraindications to clinical exercise testing \[2\]
• •Contraindications to HFAO (see section A.6.3b))
• •Resting SpO2\>88% on air or on patient's usual oxygen prescription
• •Systolic arterial blood pressure (ABP) \>200mmHg, diastolic ABP \>100 mmHg
• •1. Cooper, B.G., An update on contraindications for lung function testing. Thorax, 2010.
• •2. ATS/ACCP Statement on Cardiopulmonary Exercise Testing. Am. J. Respir. Crit. Care Med., 2003. 167(2): p. 211-277.