Effects of Bevespi on Ventilation and Gas Exchange Abnormalities in COPD Assessed by 129Xe MRI

There will be MRI imaging before the treatment with Bevespi and another one 2 weeks after use Bevespi. Images obtained using 129Xe MRI will be compared with standard lung function tests that are used routinely in the clinic, 6 minute walk test that assesses walking ability and several questionnaires that assess shortness of breath and life quality.

There will be MRI imaging before the treatment with Bevespi and another one 2 weeks after use Bevespi.