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Limited research has suggested that nondiabetic surgical patients who develop perioperative hyperglycemia are at above-average risk for postoperative complications. In this retrospective study, researchers examined the relation between perioperative glucose levels and adverse events in both diabetic and nondiabetic patients. Bariatric, abdominal, vascular, and spine surgeries were represented in this cohort, drawn from a database representing 55 hospitals in Washington State. Of 19,000 patients, 34% had diabetes; the rest were not known to have diabetes.
A composite measure of in-hospital adverse events (both cardiac and noncardiac) was analyzed according to maximal glucose level (i.e., <125, 125–180, and >180 mg/dL) during the first 2 posto…