Increased Anisotropy in the Subpleural Lung as Assessed with Hyperpolarized He3 Imaging

Keywords

acquisition addition airways alignment alveolar anisotropy anterior apparent application applied approved aspects audience background board body breath bronchioles built capacity caused central chest clinical coils collisional consent consistent containing custom decreased deeper dependence dependent detect diffusion divided ducts encoding enough equal equation evaluate exchange excitation expected finding findings fissure forced fractional goal grade gradient gradients grant healthy helium hold human included informed inhaled inhaling institutional john lateral likely lung major maps medial medical miller mixture near nitrogen noise note optically orientation oriented parallel particular pattern period perpendicular peter physician physicians physics pixel pleural polarizations polarized posterior potassium preferential protocol pulse pumped radiology randomly rather rationale readout receive reflecting relatively representative review room rubidium scanner scientists select sensitive sensitization since slice solutions space spatial strengths studies subject subtle sufficiently suggest supported surface surfaces system target terminal third threshold transmit transverse units vapor variations visceral vital volume volunteers wall waveform whether whole yielding