Hepatorenal Syndrome

**Definition:** Functional KIDNEY FAILURE in patients with liver disease, usually LIVER CIRRHOSIS or portal hypertension (HYPERTENSION, PORTAL), and in the absence of intrinsic renal disease or kidney abnormality. It is characterized by intense renal vasculature constriction, reduced renal blood flow, OLIGURIA, and sodium retention.

**Tree numbers:** - C06.552.465 - C12.050.351.968.419.291 - C12.200.777.419.291 - C12.950.419.291