• Marie E McDonnell, Sara M Alexanian, Ana Junqueira, Howard Cabral, and Harold L Lazar.
• Section of Endocrinology, Diabetes, and Nutrition, Boston Medical Center, Boston, MA, USA.
• J. Thorac. Cardiovasc. Surg.. 2013 Feb 1;145(2):590-4; discussion 595-7.

ObjectiveThe Surgical Care Improvement Project (SCIP) has benchmarked 6:00 am blood glucose levels of less than 200 mg/dL on postoperative day (POD) 1 and 2 as quality measures of glycemic control in cardiac surgery. This study was undertaken to (1) determine the incidence of SCIP outliers in patients receiving a continuous insulin infusion (CII) targeted to maintain perioperative serum glucose levels less than 180 mg/dL after cardiac surgery, (2) identify the profile of patients who are SCIP outliers, (3) determine whether SCIP outliers have increased morbidity and mortality, and (4) identify more relevant benchmarks for glycemic control in patients having cardiac surgery.MethodsBetween January 1, 2008, and April 30, 2011, a total of 832 patients underwent cardiac surgery and received CII to maintain serum blood glucose levels of less than 180 mg/dL. Patients were divided into 2 groups: patients compliant with SCIP and SCIP outliers.ResultsThe incidence of SCIP outliers was 6.6% (55/832). Patients more likely to be SCIP outliers had diabetes mellitus (38, 69% vs 250, 32%; P < .0001), a higher hemoglobin A1c (8.74 ± 2.25 vs 7.59 ± 2.90; P < .0009), and a higher body mass index (31.1 ± 6.5 vs 29.2 ± 5.7; P = .03). However, SCIP outliers had no increase in morbidity, mortality, or hospital length of stay.ConclusionsPatients undergoing cardiac surgery may still be SCIP outliers despite CII targeted to maintain serum glucose levels below 180 mg/dL; however, SCIP outliers had no increase in morbidity, mortality, or length of stay.Copyright © 2013 The American Association for Thoracic Surgery. Published by Mosby, Inc. All rights reserved.

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