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- Title
A multi-centre evaluation of the RIFLE criteria for early acute kidney injury in critically ill patients.
- Authors
Sean M. Bagshaw; Carol George; Irina Dinu; Rinaldo Bellomo
- Abstract
Background. The Acute Dialysis Quality Initiative Working Group recently developed the RIFLE criteria, a consensus definition for acute kidney injury (AKI). We sought to evaluate the RIFLE criteria on the day of ICU admission in a large heterogenous population of critically ill patients. Methods. Retrospective interrogation of prospectively collected data from the Australian New Zealand Intensive Care Society Adult Patient Database. We evaluated 120â123 patients admitted for â¥24 h from 1 January 2000 to 31 December 2005 from 57 ICUs across Australia. Results. The median (IQR) age was 64.3 (50.8â75.4) years, 59.5% were male, 28.6% had co-morbid disease, 50.3% were medical admissions and the initial mean (±SD) APACHEII score was 16.9 (±7.7). According to the RIFLE criteria, on the day of admission, AKI occurred in 36.1%, with a maximum RIFLE category of Risk in 16.3%, Injury in 13.6%, and Failure 6.3%. AKI, defined by any RIFLE category, was associated with an increase in hospital mortality (OR 3.29, 95% CI 3.19â3.41, P Conclusion. In a large heterogenous cohort of critically ill patients, the RIFLE criteria classified >36% with AKI on the day of admission. For successive increases in severity of RIFLE category, there were increases in hospital mortality. The RIFLE criteria represent a simple tool for the detection and classification of AKI and for correlation with clinical outcomes.
- Subjects
CRITICAL care medicine; MEDICINE; EMERGENCY medicine; INTENSIVE care units
- Publication
Nephrology Dialysis Transplantation, 2008, Vol 23, Issue 4, p1203
- ISSN
0931-0509
- Publication type
Article