Author: Cereda, Maurizio; Xin, Yi; Hamedani, Hooman; Bellani, Giacomo; Kadlecek, Stephen; Clapp, Justin; Guerra, Luca; Meeder, Natalie; Rajaei, Jennia; Tustison, Nicholas J; Gee, James C; Kavanagh, Brian P; Rizi, Rahim R
Title: Tidal changes on CT and progression of ARDS Document date: 2017_6_20
ID: sncded7z_16
Snippet: Lung inflation was analysed in parametric response maps (PRM) 11 created by plotting EI and EE densities of all paired CT voxels against each other on a bi-dimensional matrix with range between −1000 and 100 Hounsfield units (HU) (figure 1). The position of each point in the PRM describes EI and EE aeration of the corresponding voxel, showing normal versus abnormal inflation patterns. 11 Examples of PRM in healthy versus injured rats are shown .....
Document: Lung inflation was analysed in parametric response maps (PRM) 11 created by plotting EI and EE densities of all paired CT voxels against each other on a bi-dimensional matrix with range between −1000 and 100 Hounsfield units (HU) (figure 1). The position of each point in the PRM describes EI and EE aeration of the corresponding voxel, showing normal versus abnormal inflation patterns. 11 Examples of PRM in healthy versus injured rats are shown in figure 2 . The left lower region with low EI and EE density (<−500 HU) indicates stable normal aeration. 6 Voxels in the top right corner, where both EI and EE densities are >−300 HU, indicate permanent decrease of aeration and more severe inflammation 12 ; these were categorised as 'severe injury'.
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