… Tissue loss as a result of the disease, hyperinflation, and … abnormalities can be readily
detected and quantified by MRI, … It should be noted that MRI demonstrated significant advantages …

… Xe) is a quantitative method for evaluating lung structure and … dissolved-phase 129 Xe MRI
must be reliable, repeatable, … inflation level, and all mean ratio measurements taken at the …

… lung, the Xe129 RBC-to-gas ratio should be dependent upon … emphysema or hyper-expansion
of the lung in patients with … the quantitative changes in tissue density, pulmonary …

… and lung density were quantified from T1 and proton-density … inflation at 25 cm H 2 O. The
trachea was tied and the inflated … into account. The combined imaging of spatially matched …

… , is a fully quantitative technique to directly measure V̇ A /Q̇ … for averaging the lung voxels
were adjusted to account for … lung disease it is probable that the entire lung will need to be …

… should be redistributed to regions experiencing greater local … lung inflation induces a change
in the spatial distribution of … level of inflation to account for any through-plane expansion. …

… Semi-quantitative image analysis of CT scans to assess … quality [18] and can be accounted
for in prospective studies. It is … It is worth noting that the zero inflation in scores observed from …

… values that correlated very well to spirometry measurements. … density has to equal the
amount of air that entered the lung. … FD-MRI and SPECT/CT scans and a qualitative agreement …

… ‘unstable inflation’ in the injured lung, and using quantitative … Finally, average (whole-lung)
measures of lung density or … However, our measurements of percent aeration distribution …

… Then, lung density, tissue weight and lung and air volumes … Quantitative MRI results showed
similar ventilated lung … Further research should address these important questions, since …