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Ages Eligible for Study:
40 Years and older (Adult, Senior)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Patients must have been or will be treated with the AeriSeal System
AeriSeal System treatment
have a primary diagnosis of asthma, chronic bronchitis or bronchiectasis
have had frequent COPD exacerbations within the past year
require mechanical ventilatory support
have a pretreatment DLCO < 20% predicted or > 60% predicted
have a pretreatment FEV1 < 20% predicted AND homogeneous emphysema
have giant bullae
have undergone lung transplantation, lung volume reduction surgery, or lobectomy