Treatment of Sodium Retention in Liver Cirrhosis With Dexamethasone

Inclusion Criteria: * patients with established liver cirrhosis (biopsy or biochemically) * hepatorenal syndrome type 1 or 2 (with a serum creatinin \>175 umol/l) * age between 18 and 75 * no bacterial infection * no cardiovascular or extrahepatic disease (end of life) * no structural kidney disease * no hepatocellular carcinoma Exclusion Criteria: * age under 15 or over 75 * treatment with corticosteroids (dexamethasone included) * bacterial infection * cardiovascular or extrahepatic disease (end of life) * structural kidney disease (indicated by hematuria, proteinuria) * hepatocellular carcinoma * mental disability