Management of Inpatient Hyperglycemia

Initial Assessment and Treatment Strategy

For patients with severe hyperglycemia (>300 mg/dL), a basal-bolus insulin regimen is indicated as the most appropriate treatment approach, according to The Lancet Diabetes and Endocrinology 1
Target glucose levels for most hospitalized patients should be between 140-180 mg/dL to balance glycemic control while minimizing hypoglycemia risk, as recommended by The Lancet Diabetes and Endocrinology 2
Insulin remains the agent of choice for patients with severe hyperglycemia, those on high doses of insulin at home, type 1 diabetes, or steroid-induced hyperglycemia, as stated by The Lancet Diabetes and Endocrinology 1

Start with a basal-bolus insulin regimen, reducing home insulin total daily dose (TDD) by 20% or starting at 0.3 units/kg/day, as recommended by The Lancet Diabetes and Endocrinology 1
Distribute the total daily dose as 50% basal insulin and 50% bolus (prandial) insulin, according to The Lancet Diabetes and Endocrinology 1 and supported by Praxis Medical Insights 3
For insulin-naive patients with severe hyperglycemia, calculate initial insulin dose as 0.3-0.5 units/kg/day, as suggested by Praxis Medical Insights 3

Administer insulin using validated written or computerized protocols that allow for predefined adjustments based on glycemic fluctuations, as recommended by Diabetes Care 4
Withhold prandial insulin if oral intake is poor, following hospital regulations, as advised by The Lancet Diabetes and Endocrinology 1
Monitor blood glucose before meals and at bedtime, with additional checks if clinically indicated, as recommended by The Lancet Diabetes and Endocrinology 1

Start with lower insulin doses (approximately 75% of standard starting dose) in patients with renal impairment to reduce hypoglycemia risk, as suggested by Praxis Medical Insights 3

Adjust basal insulin by 2 units every 3-4 days until fasting glucose reaches target, as recommended by Praxis Medical Insights 3
Adjust prandial insulin based on pre-meal glucose levels and carbohydrate content of meals, as suggested by Praxis Medical Insights 3
For patients with persistent hyperglycemia despite initial therapy, consider increasing insulin doses or adding additional insulin components, as recommended by The Lancet Diabetes and Endocrinology 1

For patients with uncontrolled diabetes being discharged, consider a combination of oral antidiabetes drugs with basal insulin or a basal-bolus insulin regimen at 80% of inpatient dose, as recommended by The Lancet Diabetes and Endocrinology 5 and 6
Provide diabetes self-management education including understanding of diagnosis, glucose monitoring, medication administration, and sick day management, as advised by The Lancet Diabetes and Endocrinology 6
Discuss medication costs and insurance coverage to ensure treatment adherence after discharge, as recommended by The Lancet Diabetes and Endocrinology 6

Using sliding scale insulin alone without basal insulin is ineffective for controlling severe hyperglycemia, as stated by The Lancet Diabetes and Endocrinology 1