… MRI ventilation heterogeneity is quantified by using ventilation defect percentage, which is
… here should be considered fractionally lower than estimates for patients at full inflation, but …

… of blood must spread evenly over an area the size of a tennis … The passive expansion and
compression of the lungs are … for qualitative and quantitative evaluation of lung perfusion (52–…

… changes in volume between two lung inflation conditions as … , we account for differences
in overall dosing, lung size, … in the present study should be considered when interpreting …

… We previously performed a quantitative evaluation of the DIR accuracy for 12 of these …
not account for changes in lung tissue density occurring as a result of lung contraction/expansion. …

… into the lungs from the blood); typically all MR imaging must be … also been validated by
comparison to quantitative histology [90]. … , destructive) measurements of airspace expansion. The …

… in asthmatic subjects accounted for lower hysteresis relative … asthmatic lungs during exhalation
may provide quantitative … during step-wise inflation or deflation of the lung. Although MR …

… measurements correspond to areas of lung hyperinflation, is a … that analogous changes occur
in lung tissue attenuation on … a linear relationship between mean lung density and age [18]. …

… of the lung aeration in ARDS and, combined with quantitative … Within the normal inflation
range (–500 to –900 Hounsfield units… (not visible) accounted for less than 1% of lung voxels at …

… definition do not account for regional changes of lung function. … can be quantified with lung
deformation mapping from MRI in … and local hyperinflation of asthmatic patients’ lung. Thus, at …

… -imaging technique that provides quantitative metrics for lung … more robust to differences in
lung inflation level, for example, … that must be accounted for to improve sensitivity to early lung …