• Harish Mithiran, Glenn Kunnath Bonney, Saideep Bose, Srinivas Subramanian, Zan Ng Zhe Yan, Seth Yeak Zong En, Evangelos Papadimas, Ishaan Chauhan, Graeme MacLaren, and Theodoros Kofidis.
• Department of Cardiac, Thoracic and Vascular Surgery, National University Health System, Singapore; Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
• J. Cardiothorac. Vasc. Anesth. 2016 Oct 1; 30 (5): 1296-301.

ObjectiveTo develop a scoring system to predict acute kidney injury in Asian patients after coronary artery bypass grafting.DesignA retrospective analysis of data collected in an institutional cardiac database.SettingA tertiary academic hospital in a large metropolitan city.ParticipantsThe study comprised 954 patients with coronary artery disease.InterventionsAll patients underwent coronary artery bypass surgery with cardiopulmonary bypass but did not undergo any other concomitant procedures.Measurements And Main ResultsThe main outcome measured was acute kidney injury as defined by the Acute Kidney Injury Network criteria. The following 6 clinical variables were independent predictors of kidney injury: age>60 years, diabetes requiring insulin, estimated glomerular filtration rate<60 mL/min/1.73 m(2), ejection fraction<40%, cardiopulmonary bypass time>140 minutes, and aortic cross-clamp time>100 minutes. These variables were used to develop the Singapore Acute Kidney Injury score.ConclusionThe Singapore Acute Kidney Injury score is a simple way to predict, at the time of admission to the intensive care unit, an Asian patient's risk of developing acute kidney injury after coronary artery bypass surgery.Copyright © 2016 Elsevier Inc. All rights reserved.

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