Risk factors of contrast-associated acute kidneyinjury in spanish intensive care patients: preliminary results of the nefrocon study

Methods We performed a prospective multi-center study, in 34 Spanish ICU, covering the period from 15 December 2012 to 15 March 2013. During this study period, we included 1035 patients, all of them undergoing a radiographic examination or a coronary angiography with administration of parenteral iodinated contrast media. We excluded patients with incomplete data or renal replacement at the time of the study, being finally 1012 patientes. We defined CA-AKI as an increase of serum creatinine ≥, 0,5 mg/dl, or ≥ 50 % from baseline, assessed 48-72 hours after the procedure. We performed the analysis using multiple logistic regression with CA-AKI as dependent variable using the R 3.1.2 software for OsX. We included in the analysis the variables with p < 0,1 in the univariate tests and those collected in the literature as related to the CA-AKI.