Acute kidney injury (AKI) is a frequent problem in the intensive care unit (ICU) affecting more than 50 % of patients. AKI is associated with several adverse outcomes, including increased mortality and increased length of ICU- and hospital stay, in particular in patients requiring Renal Replacement Therapy (RRT). Choosing the optimal time for attempting liberation from RRT is still unclear. With this study, we will describe the ability of renal ultrasound in predicting the outcome of dialysis weaning.
Study Type
OBSERVATIONAL
Enrollment
33
Dialysis weaning as planned by the attending ICU-physician.
Aarhus University Hospital, Department of Anaesthesiology
Aarhus, Denmark
Dialysis weaning
If discontinuation of Dialysis is successful or not. Successful dialysis weaning is defined as no renal replacement therapy (RRT) required within the first 7 days after stopping continuous renal replacement therapy (CRRT) and non-successful weaning as the need for RRT within the first 7 days.
Time frame: 7 days
Renal Doppler arterial Resistive Index (RI)
Measured in the interlobar vessels
Time frame: Measured at the beginning of weaning and after 6 hours.
Renal Doppler Renal Venous Stasis Index (RVSI)
Measured in the interlobar vessels
Time frame: Measured at the beginning of weaning and after 6 hours.
Renal Doppler Venous Impedance Index (VII)
Measured in the interlobar vessels
Time frame: Measured at the beginning of weaning and after 6 hours.
Portal vein Doppler Pulsatility Fraction PF)
Measured in the interlobar vessels
Time frame: Measured at the beginning of weaning and after 6 hours.
Urine Output
Time frame: 4 days
Urine Creatinine Clearance
Time frame: 4 days
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