• Chiara Lazzeri, Manuela Bonizzoli, Stefano Batacchi, Filippo Socci, Marco Matucci-Cerinic, and Adriano Peris.
• Intensive Care Unit and Regional ECMO Referral Centre, Azienda Ospedaliero-Universitaria Careggi, Largo Brambilla 3, 50134, Florence, Italy. lazzeric@libero.it.
• Intern Emerg Med. 2021 Oct 1; 16 (7): 1779-1785.

BackgroundLung ultrasound (LU) is a useful tool for monitoring lung involvement in novel coronavirus (COVID) disease, while information on echocardiographic findings in COVID disease is to date scarce and heterogeneous. We hypothesized that lung and cardiac ultrasound examinations, serially and simultaneously performed, could monitor disease severity in COVID-related ARDS.MethodsWe enrolled 47 consecutive patients with COVID-related ARDS (1st March-31st May 2020). Lung and cardiac ultrasounds were performed on admission, at discharged and when clinically needed.ResultsMost patients were mechanically ventilated (75%) and veno-venous extracorporeal membrane oxygenation was needed in ten patients (21.2%). The in-ICU mortality rate was 27%%. On admission, not survivors showed a higher LUS score (p = 0.006) and a higher incidence of consolidations (p = 0.003), lower values of LVEF (p = 0.027) and a higher RV/LV ratio (0.008). At discharge, a significant reduction in the incidence of subpleural consolidations (p < 0.001) and, thus, in LUS score (p < 0.001) and an increase in patter A findings (p < 0.001) together with reduced systolic pulmonary arterial pressures were detectable. In not survivors at final examination, an increased in LUS score (p < 0.001), and in RV/LV ratio (p < 0.001) associated with a reduction in TAPSE (p = 0.013) were observed. A significant correlation was observed between LUS and systolic pulmonary arterial pressure (p = 0.04). LUS and RV/LV resulted independent predictors of in-ICU death.ConclusionsIn COVID-related ARDS, the combined lung and cardiac ultrasound proved to be an useful clinical tool in monitoring disease progression and in identifying parameters (LU score and RV/LV ratio) able to risk stratifying these patients.© 2021. Società Italiana di Medicina Interna (SIMI).

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