Value of Renal Resistive Index in Covid-19 ARDS Patients: an Early Inflammation Alert for the Lung-kidney Cross-talk?

We analysed RRI and other hemodynamic, re-spiratory and inflammation parameters in critically ill pa-tients affected by severe covid-19 with acute distress respi-ratory syndrome (ARDS) aiming at verifying their modifica-tions during supine and prone positioning and any mutual correlation or interplay with RRI.