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Hemojuvelin Predicts Acute Kidney Injury and Poor Outcomes Following Cardiac Surgery.

Hemojuvelin Predicts Acute Kidney Injury and Poor Outcomes Following Cardiac Surgery.
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Ko SW, Chi NH, Wu CH, Huang TM, Chueh SJ, Wang CH, Lin JH, Wang WJ, Ting JT, Chang HM, Connolly R, Lai CH, Tseng LJ, Wu VC, Chu TS,


Ko SW, Chi NH, Wu CH, Huang TM, Chueh SJ, Wang CH, Lin JH, Wang WJ, Ting JT, Chang HM, Connolly R, Lai CH, Tseng LJ, Wu VC, Chu TS, (click to view)

Ko SW, Chi NH, Wu CH, Huang TM, Chueh SJ, Wang CH, Lin JH, Wang WJ, Ting JT, Chang HM, Connolly R, Lai CH, Tseng LJ, Wu VC, Chu TS,

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Scientific reports 2018 01 318(1) 1938 doi 10.1038/s41598-018-20212-8
Abstract

Acute kidney injury (AKI) is detrimental after cardiac surgery. In this multicenter study, the novel biomarker hemojuvelin (HJV) was evaluated for AKI prediction following cardiac surgery. Urinary HJV, neutrophil gelatinase-associated lipocalin (NGAL), and urinary creatinine were measured in 151 patients after surgery. The outcomes of advanced AKI (KDIGO stages 2 and 3) and all causes of in-hospital mortality as the composite outcome were recorded. Areas under the receiver operator characteristic curves (AUC) and a multivariate generalized additive model (GAM) were applied to predict these outcomes of interest. Urinary HJV differentiated patients with/without AKI, advanced AKI or composite outcome after surgery (p < 0.001, by a generalized estimating equation) in this study. At three hours post-surgery, urinary HJV predicted advanced AKI (p < 0.001) and composite outcome (p < 0.001) with corresponding AUC values of 0.768 and 0.828, respectively. The performance of creatinine-adjusted HJV was also superior to NGAL in predicting advanced AKI (AUC = 0.784 and 0.694; p = 0.037) and composite outcome (AUC = 0.842 and 0.676; p = 0.002). The integration of HJV into the Cleveland Clinic score for advanced AKI led to a significant increase in risk stratification (net reclassification improvement [NRI] = 0.598; p < 0.001).

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