Acute kidney injury (AKI) constitutes a serious public health problem because of its very high cost and mortality rate, with an increasing incidence, phenomenon which is explained by the increasingly number of older patients suffering from several comorbidities admitted in the intensive care units. Despite the new AKI definition and classification, the use of novel AKI biomarkers and modern technologies, as an attempt to achieve an early AKI detection and treatment, and consequently to better clinical outcomes, AKI mortality particularly in ICU ...