… PET data with regional measurements of lung density (rLD) … by changes in either regional
inflation or blood volume has not … In 12 supine dogs the mean rLD was 0.32 = 0.06 g/ml lung …

… 2) with a calculated D/V for nonsmokers of 1.52 (right lung) … change in lung inflation may
also be accompanied by a physiological change in these parameters (eg, displacement of blood …

… lung density such as positron emission tomography (PET) (1-… different regions of the lung
with different degrees of inflation (10… increasing blood volume slightly (∼ 7% for the whole lung, …

… , or to a change in regional inflation [ie, a change in the … and CT (approximately 2 cm"),
although the volumes were not … Regional extravascular density and fractional blood volume of the …

… ventilated sheep at different levels of lung inflation. We also … to measure lung density (26).
We acquired an initial emission … by regional blood volume, lung motion, partial-volume effects, …

… FRC by measuring lung density in frozen lung slices and was … of this study is to examine the
effect of lung inflation on PVRr … The animal’s lungs were then inflated to TLC and deflated to …

… a ratio of dog lung height to rabbit lung height of 2, the ventral-to-dorsal differences in regional
lung volume would be similar in the rabbit and the dog. This suggests that nonuniformities …

… volume, whereas total lung volume is similar to controls; (2) … also reported in a number of
animal experiments, wherein different … In this study, we used CTradiographic density analysis to …

… measuring both regional tissue density and blood volume, it is … , eliminating both blood volume
and inflation effects. Other … lung density--a PET study: 2. J Comput Assist Tomogr 10:730-5…

… PET frames performed during the first 8 min of acquisition, voxel-by-voxel … of its inflation status
by density redistribution [32]. … Vertical gradient of regional lung inflation in adult respiratory …