• Elizabeth Duggan and York Chen.
• Department of Anesthesiology, Emory University School of Medicine, 1364 Clifton Road, Atlanta, GA, 30322, USA. elizabeth.w.duggan@emory.edu.
• Curr. Diab. Rep. 2019 Nov 20; 19 (11): 134.

Purpose Of ReviewThis review provides a literature update and practical outline for the management of diabetes and stress hyperglycemia for adult surgical patients in the pre- and intraoperative settings.Recent FindingsHyperglycemia in surgical patients has been associated with increased risk of complication in both diabetic and non-diabetic patients in the perioperative setting. While current recommended perioperative blood glucose target is < 180 mg/dL (10 mmol/L), optimal outcomes may require different treatment targets for diabetic versus non-diabetic patients. Hemoglobin A1C level is associated with elevated risk of hyperglycemia and adverse outcomes, but there is insufficient evidence to recommend routine preoperative testing or optimal values in elective surgical patients. Day of surgery blood glucose testing and treatment are recommended in the perioperative period, and anesthetic management includes appropriate patient selection for use of subcutaneous insulin, intravenous insulin infusions, and insulin pumps. Additionally, administration of both intravenous and perineural dexamethasone is associated with increased blood glucose levels and clinicians should consider the risk benefit ratio in surgical patients. For enhanced recovery after surgery protocols, further evidence is needed to support routine use of carbohydrate loading in diabetic patients. Optimal perioperative care includes screening at-risk patients, use of preoperative oral hypoglycemics and home insulin, anesthetic type and medication selection, blood glucose testing, and treatment for hyperglycemia in the operating room. Partnerships with surgery and endocrinology teams aid optimal postoperative management and discharge planning.

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