Michael W Smith, Melissa A Bentley, Antonio R Fernandez, Gregory Gibson, Sharon B Schweikhart, David D Woods
Performance of experienced versus less experienced paramedics in managing challenging scenarios: a cognitive task analysis study
Annals of emergency medicine
pct postprocessing commonly uses either ms variant dc approach modeling voxelbased timeattenuation curves ongoing discussion respective merits limitations methods frequently basis theoretic reasoning simulated data performed qualitative quantitative comparison dc ms using identical source datasets preprocessing parameters pct data 50 patients acute ischemic stroke color maps cbf cbv various temporal parameters calculated software implementing dc ms algorithms color maps qualitatively categorized quantitative regionofinterestbased measurements made nonischemic gm wm suspected penumbra suspected infarction core qualitative results quantitative results pct lesion sizes dc ms statistically compared cbf cbv color maps based dc ms comparably high quality quantitative cbf cbv values calculated dc ms within range nonischemic regions suspected penumbra regions average cbfdc lower cbfms suspected infarction core regions average cbvdc similar cbvms using adapted tissueatrisknonviabletissue thresholds found excellent correlation dc ms lesion sizes dc ms yielded comparable qualitative quantitative results lesion sizes indicated dc ms showed excellent agreement using adapted thresholds cases therapy decision would made