• Jose J Zaragoza, Gianluca Villa, Francesco Garzotto, Aashish Sharma, Anna Lorenzin, Leonardo Ribeiro, Renhua Lu, Rinaldo Bellomo, Claudio Ronco, and NEFROINT investigators.
• Blood Purif. 2015 Jan 1;39(1-3):246-57.

IntroductionOne of the top research priorities in acute kidney injury is related to the timing of renal replacement therapy (RRT) initiation. The purpose was to develop an index that might serve as a standardized concept of timing of initiation of RRT.MethodsA previously described database was used. We applied a multivariable Cox regression model with backward selection to characterize parameters present in those patients who received RRT compared with those who did not receive RRT.ResultsWe studied 590 patients. We identified independent risk factors for RRT and a risk score was devised. The Area Under the Curve of the receiver operating characteristic curve was 0.81 (95% CI 0.74-0.86) for predicting the need for RRT.ConclusionsWe have developed a simple Score (IRRIV Score) to identify patients at high risk of requiring RRT. This score may serve as a standardized definition of the timing of initiation of RRT.© 2015 S. Karger AG, Basel

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