VExUS in Ards Patients and Association with AKI

Inclusion Criteria: * Patients ≥18 years old * Moderate to severe ARDS according to the Berlin definition * Requiring catecholamine support * Undergoing invasive mechanical ventilation for less than 48 hours Exclusion Criteria: * Patients presenting with acute kidney injury KDIGO III requiring renal replacement therapy before the initial ultrasound evaluation * Requirement for veno-venous or veno-arterial ECMO circulatory support before inclusion * Patients with end-stage chronic kidney disease, on dialysis, and/or kidney transplant recipients * History of Child C cirrhosis and/or liver transplantation and/or portal hypertension * History of portal thrombosis * Known history of pulmonary hypertension * Pregnant women * Patients under legal protection * Patients who have expressed opposition to participating in the research