Differences in hyperpolarized 3He ventilation imaging after 4 years in adults with cystic fibrosis

PURPOSE: To evaluate cystic fibrosis (CF) subjects over 4 years using (3) He magnetic resonance imaging (MRI), pulmonary function tests, and track hospitalization and physician visits. MATERIALS AND METHODS: Five CF adults provided written informed consent to an approved protocol and underwent MRI, spirometry, and plethysmography at baseline, 7 days, and 4 ± 1 years later. (3) He MRI ventilation defect percent (VDP) was generated for all …