Definition: Acute kidney failure occurs when your kidneys suddenly become unable to filter waste products from your blood. When your kidneys lose their filtering ability, dangerous levels of wastes may accumulate, and your blood's chemical makeup may get out of balance due to loss of electrolytes. Typical symptoms Decreased urine output, normal Fluid retention, causing swelling in your legs, ankles or feet, Drowsiness, Shortness of breath, Fatigue, Confusion, Seizures or coma in severe cases, Chest pain or pressure
Dignosis Urine output measurements, Urine tests, Blood tests, Imaging tests, Removing a sample of kidney tissue for testing.
Statistics The incidence of ARF was 69.4% and 51.8% according to RIFLE and AKIN, respectively. UC detected ARF in 59.5% of cases, while CC identified ARF in 34.7% (RIFLE) and 25.3% (AKIN). The mortality rate was 40.9% and 44.6% according to RIFLE and AKIN respectively, was significantly higher than in patients without ARF, and increased with disease severity (Data processing: Excel, SQL and SPSS. Levene test, comparison of means with Student t and chi-squared, with 95% confidence interval).