• Rajesh Garg, Anjali Grover, Siobhan McGurk, and James D Rawn.
• Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital, Boston, MA 02115, USA. rgarg@partners.org
• J. Thorac. Cardiovasc. Surg.. 2013 Apr 1;145(4):1083-7.

ObjectivePostoperative hyperglycemia is associated with poor clinical outcomes in patients undergoing cardiac surgery. However, some experts consider hyperglycemia to be an epiphenomenon related to acute stress. We investigated whether preoperative patient characteristics can predict hyperglycemia after cardiac surgery in nondiabetic patients.MethodsThis is a retrospective study of nondiabetic patients undergoing cardiac surgery at a single center during the years 2004 to 2009. Hyperglycemia was defined as 2 consecutive blood glucose readings of 150 mg/dL or greater during the 72 hours after cardiac surgery.ResultsThis study included 1453 patients with hyperglycemia and 2205 patients without hyperglycemia. Hyperglycemic patients were older, were more likely to be men, had higher body mass index, were more likely to be hypertensive and hypercholesterolemic, and had lower left ventricular ejection fractions; in addition, a greater proportion had a history of cardiovascular disease and renal failure. Multivariate logistic regression analysis showed age, gender, body mass index, preoperative serum creatinine, left ventricular ejection fraction, previous cardiac surgery, and preoperative cardiogenic shock to be independently associated with hyperglycemia (P < .05 for all). Hyperglycemic patients had more intraoperative and postoperative complications.ConclusionsPreoperative patient characteristics are associated with hyperglycemia after cardiac surgery.Copyright © 2013 The American Association for Thoracic Surgery. Published by Mosby, Inc. All rights reserved.

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