• Hasse Møller-Sørensen, Jakob Gjedsted, Vibeke Lind Jørgensen, and Lindskov HansenKristofferKDepartment of Clinical Medicine, University of Copenhagen, 2100 Copenhagen, Denmark.Department of Radiology, Copenhagen University Hospital, Rigshospitalet, 2100 Copenhagen, Denmark..
• Department of Cardiothoracic Anaesthesiology, Copenhagen University Hospital, Rigshospitalet, 2100 Copenhagen, Denmark.
• Diagnostics (Basel). 2020 Jul 2; 10 (7).

AbstractThe COVID-19 pandemic has increased the need for an accessible, point-of-care and accurate imaging modality for pulmonary assessment. COVID-19 pneumonia is mainly monitored with chest X-ray, however, lung ultrasound (LUS) is an emerging tool for pulmonary evaluation. In this study, patients with verified COVID-19 disease hospitalized at the intensive care unit and treated with ventilator and extracorporal membrane oxygenation (ECMO) were evaluated with LUS for pulmonary changes. LUS findings were compared to C-reactive protein (CRP) and ventilator settings. Ten patients were included and scanned the day after initiation of ECMO and thereafter every second day until, if possible, weaned from ECMO. In total 38 scans adding up to 228 cineloops were recorded and analyzed off-line with the use of a constructed LUS score. The study indicated that patients with a trend of lower LUS scores over time were capable of being weaned from ECMO. LUS score was associated to CRP (R = 0.34; p < 0.03) and compliance (R = 0.60; p < 0.0001), with the strongest correlation to compliance. LUS may be used as a primary imaging modality for pulmonary assessment reducing the use of chest X-ray in COVID-19 patients treated with ventilator and ECMO.

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