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The investigators aim to address whether terlipressin improves the renal outcome after liver surgery. Therefore the investigators are planning to conduct a double-blinded randomized control trial. The investigators will randomize patients undergoing any kind of liver surgery and being at increased moderate to high risk for post-operative acute renal failure into a control group receiving post- operative a placebo or into a group receiving post-operatively terlipressin in combination with human albumin.

Inclusion Criteria:

• >=12% risk for post-operative ARF on our recently developed and validated prediction score for ARF after liver surgery, patients will need five points or more in the pre-operative assessment of the predictors to be enrolled in the trial

Exclusion Criteria:

• < 18 years
• liver cirrhosis
• coronary insufficiency with ST-elevation or ST-depression in the - - intra-operative ECG as signs of an acute coronary syndrome
• pregnancy and breast feed