• Rev Bras Cir Cardiovasc · Jun 2013

    Acute kidney injury after coronary artery bypass grafting: assessment using RIFLE and AKIN criteria.

    • Vinicius José da Silva Nina, Maryanne Miranda Matias, Dyego José de Araújo Brito, José Albuquerque de Figueiredo Neto, Léa Barroso Coutinho, Rayssa Fiterman Rodrigues, Vinícius Giuliano Gonçalves Mendes, and Shirlyne Fabianni Dias Gaspar.
    • Cardiac Surgery Unit at University Hospital of Maranhão, São Luís, MA, Brazil. rvnina@terra.com.br
    • Rev Bras Cir Cardiovasc. 2013 Jun 1;28(2):231-7.

    ObjectiveTo compare the RIFLE (Risk, Injury, Failure, Loss and End-stage Renal Failure) and AKIN (Acute Kidney Injury Network) criteria for diagnosis of acute kidney injury after coronary artery bypass grafting.MethodsRetrospective cohort. 169 patients who underwent coronary artery bypass grafting from January 2007 through December 2008 were analyzed. Information was entered into a database and analyzed using STATA 9.0.ResultsPatients' mean age was 63.43 1 9.01 years old. Predominantly male patients (66.86%) were studied. Acute Kidney Injury was present in 33.14% by AKIN and in 29.59% by RIFLE. Hemodialysis was required by 3.57% and 4.0% of the patients when AKIN and RIFLE were applied respectively. There was 4.0% and 3.57% mortality of patients with Acute Kidney Injury according to the RIFLE and AKIN criteria, respectively. In 88.76% of the cases, there was good agreement between the two methods in the detection (kappa=0.7380) and stratification (kappa=0.7515) of Acute Kidney Injury.ConclusionThis study showed that the RIFLE and AKIN criteria have a good agreement in the detection and stratification of acute kidney injury after coronary artery bypass grafting.

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