Uremic Toxins in the ICU: Patients After Cardiac Surgery

Study of the Kinetics of Uremic Toxins in the ICU Patients With Acute Renal Failure, in Order to Optimize the Dialysis Dose: Patients After Cardiac Surgery

Study of the kinetics of uremic toxins in the ICU patients with acute renal failure, in order to optimize the dialysis dose: patients after cardiac surgery.The sampling of blood and dialysate will be done during dialyses with different durations (4, 6 and 8h)

Inclusion Criteria:

• ICU patients after cardiac surgery with acute renal failure