… For the estimation of lung density, acquisition followed the work … of the local O 2 concentration
in lung tissue, and thus signal … Moreover, that PET-CT study provided much broader lung …

… ’ regions of lung parenchyma 1. However, the clinical and … In small animal lungs, the
diffusion time Δ should be an order … of inflation. The results indicated that, during a 143 ± 18% …

… lungs and regional deposition likely influences therapeutic effectiveness. (1,2) We previously
reported PET-… images, and that changes in blood volume can be estimated from the entire …

… region of lung (more air, less tissue) would have a density of far … Within the normal inflation
range (–500 to –900 Hounsfield … in the right lung, and arterial hemoglobin O 2 saturation was …

… lung areas of hyperinflation (2) but also at the microscopic level. Experiments utilizing total
lung capacity maneuvers in excised dog … in regional lung density, clinically used for diagnosis, …

… reduced pulmonary blood volume, and not by an action of PEEP per se [19, 20]. … regional
pulmonary inflammation [29]. In anesthetized sheep receiving intravenous endotoxin, FDG-PET …

… used to examine the effects of individual animal and type of … redistribution of pulmonary
blood flow to regions with different … , CT-measured voxel density used as a surrogate marker of …

… regions away from which blood volume was redistributed. Naum et al 90 performed PET (H
2 … in anesthetized dogs was studied by inducing pulmonary edema through the inflation of a …

… in each of the six lung lobes of each animal. To adjust the model for the within-… of lung
density from the ventral to the dorsal regions among groups. P value of the treatment effect by a 2-…

… Factors controlling pulmonary blood flow include vascular structure, gravity, mechanical
effects of breathing, and the influence of neural and humoral factors. Pulmonary vascular tone is …