Functional respiratory imaging repurposed for COVID-19

Thillai and colleagues1 describe a method of image analysis, functional respiratory imaging (FRI), which creates a three-dimensional reconstruction of both airways and the pulmonary vasculature from CT-scan images, in 10 patients with severe COVID-19 infection. They computed the distribution of pulmonary blood flow according cross-sectional vessel area size and compared the data to age, gender,…

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