AKI is the entire spectrum of disease (mild -> severe), and can be defined as an abrupt (1 to 7 days) and sustained (more than 24 hours) decrease in kidney function. Mortality of critically patients with acute renal failure is high (50%–60%)
Acute kidney injury (AKI) is a common problem in the critically ill associated with increased morbidity and mortality
AKI can be defined as an abrupt (1 to 7 days) and sustained (more than 24 hours) decrease in kidney function. The ADQI formulated the RIFLE criteria in 2004 to allow for AKI to be objectively and uniformly defined.
Contrast-induced nephropathy (CIN) is most commonly defined as renal impairment or acute kidney injury occurring within 48 hr of administration of intravascular radiographic contrast material that is not attributable to other causes