Improved Hemodynamic Tolerance of Intermittent Hemodialysis Sessions in Intensive Care Unite Using Citrate- vs Acetate-based Dialysate

Inclusion Criteria: * Patient ≥ 18 years old * Patient hospitalized in an intensive care unit * Patient with acute renal failure defined by a KDIGO stage ≥ 1 and suspected non-obstructive * Patient at risk of per dialytic hypotension (capillary refill time ≥ 3 seconds and/or cardiovascular SOFA ≥ 1 and/or lactatemia \> 2mmol/L) * Indication for Extra Renal Replacement Therapy with IHD. Exclusion Criteria: * Pregnant or breastfeeding woman * Known chronic renal insufficiency of any stage * Cardio-renal and hepato renal syndrome * Unstable hemodynamic state: refractory shock * Patient included in another interventional study likely to modify the hemodynamic state * Patient deprived of liberty * Patient under guardianship or curatorship * Patient not affiliated to a social security system