Hepatorenal syndrome (HRS) is a serious complication in patients with advanced liver cirrhosis and ascites occurring simultaneously. According to current diagnostic criteria it is considered as one of the less common forms of acute kidney injury (AKI), referred to as HRS-AKI.
As a result of the revision of the diagnostic criteria, there was a significant shift in the diagnosis of AKI in patients with liver cirrhosis, allowing early initiation of adequate measures and appropriate treatment. The following article describes the issue of AKI in liver cirrhosis in a wider context, the diagnostic criteria and algorithm of HRS-AKI treatment.