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To investigate whether high frequency airflow oscillation (HFAO), delivered using Aerosure, increases six minute walk distance (6MWD) and reduces exertional breathlessness in patients with severe chronic obstructive pulmonary disease (COPD).
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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
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Interventional model
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42 participants in 3 patient groups
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Data sourced from clinicaltrials.gov
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