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Severe COVID-19 pneumonia: Perfusion analysis in correlation with pulmonary embolism and vessel enlargement using dual-energy CT data

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Kirchmair, Rudolf ; Poschenrieder, Florian ; Meiler, Stefanie ; Lubnow, Matthias ; Zeman, Florian ; Rennert, Janine ; Scharf, Gregor ; Schaible, Jan ; Stroszczynski, Christian ; Pfeifer, Michael ; Hamer, Okka W.
License: Creative Commons Attribution 4.0
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Date of publication of this fulltext: 11 Nov 2021 11:57


Background Gas exchange in COVID-19 pneumonia is impaired and vessel obstruction has been suspected to cause ventilation-perfusion mismatch. Dual-energy CT (DECT) can depict pulmonary perfusion by regional assessment of iodine uptake. Objective The purpose of this study was the analysis of pulmonary perfusion using dual-energy CT in a cohort of 27 consecutive patients with severe COVID-19 ...


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