• Alan M Gaffney and Robert N Sladen.
• Department of Anesthesiology, College of Physicians and Surgeons of Columbia University, New York, USA.
• Curr Opin Anaesthesiol. 2015 Feb 1;28(1):50-9.

Purpose Of ReviewAcute kidney injury (AKI) is a long-recognized complication of cardiac surgery. It is a commonly encountered clinical syndrome that, in its most severe form, increases the odds of operative mortality three to eight-fold. The pathogenesis of cardiac surgery-associated acute kidney injury (CSA-AKI) is complex. No single intervention is likely to provide a panacea, and thus, the purpose of this review is to assess the wide breadth of emerging research into potential strategies to prevent, diagnose, and treat CSA-AKI.Recent FindingsResearch in the field of CSA-AKI published within the last 18 months adds further layers of knowledge to many previously studied areas. These include its definition (Risk, Injury, Failure, Loss, End-stage kidney disease, Acute Kidney Injury Network, and Kidney Disease: Improving Global Outcomes criteria), diagnosis (biomarkers and intraoperative renal oximetry), prevention (statin therapy, acetylsalicylic acid, N-acetylcysteine, sodium bicarbonate, off-pump coronary revascularization, goal-directed hemodynamic therapy, and minimizing blood transfusion), and treatment (early initiation of renal replacement therapy).SummaryAlthough there has been much high-quality research conducted in this field in recent years, preventing CSA-AKI by avoiding renal insults remains the mainstay of management. Although biomarkers have the potential to diagnose CSA-AKI at an earlier stage, efficacious interventions to treat established CSA-AKI remain elusive.

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