Inpatient Hypoglycemia Treatment

A bedside glucose value below 70 mg/dL requires immediate treatment under a hospital-wide, nurse-initiated hypoglycemia protocol. Document the episode, including the glucose value, symptoms, treatment, response, and likely precipitant. A value below 70 mg/dL should also trigger clinician review of the glucose-lowering regimen because it predicts subsequent severe hypoglycemia. CDCCDCNHSN Glycemic Control: Hypoglycemia - CDC

If the patient is awake, can protect the airway, and can swallow, give 15 g rapidly absorbed carbohydrate orally. The same 15-g approach can be delivered through gastric or nasogastric access when available. Recheck point-of-care glucose in 15 minutes and repeat treatment if hypoglycemia persists. BMJ+1BMJUpdate on the management of diabetes in long-term care facilities | BMJ Open Diabetes Research & CareOxford AcademicTHU133 Inpatient Hypoglycemia Management: Error Rates In Pediatric Diabetes Care | Journal of the Endocrine Society | Oxford Academic

If altered mental status, seizure, unconsciousness, aspiration risk, or NPO status precludes enteral carbohydrate, give IV dextrose if intravenous access is available. If IV access is unavailable, administer glucagon 1 mg intramuscularly. Recommendations commonly cited for unconscious hypoglycemic adults include 25 g IV glucose, historically as 50 mL of D50, or 1 mg IM glucagon. ScienceDirect+1ScienceDirectEfficacy of 10%,25% and 50% dextrose in the treatment of hypoglycemia in the emergency department – A randomized controlled studycdn clinicaltrials[PDF] Continuous Glucose Monitor (CGM) Use in COVID-19 Patients ...

Continue frequent point-of-care glucose checks after rescue when the cause can continue lowering glucose, particularly long-acting insulin, sulfonylureas, renal dysfunction, interrupted nutrition, or acute systemic illness. Sulfonylurea- or long-acting insulin-associated hypoglycemia may persist for 24 hours or more and requires both recurrent monitoring and a plan for repeat carbohydrate or dextrose treatment. PubMedPubMedAn Inpatient Hypoglycemia Committee: Development, Successful Implementation, and Impact on Patient Safety - PMC

Escalate surveillance when hypoglycemia follows a change in nutrition delivery: new NPO status, reduced oral intake, delayed meals, interruption of enteral feeding or total parenteral nutrition, or discontinuation of IV dextrose. These triggers commonly cause a mismatch between active insulin effect and carbohydrate delivery. ScienceDirect+1ScienceDirectNocturnal Hypoglycemia - an overviewPubMedUnderstanding hypoglycemia in hospitalized patients - PMC

For insulin-treated, noncritically ill adults at high risk for hypoglycemia, real-time CGM with confirmatory bedside glucose for insulin adjustments is an option in hospitals with trained staff and appropriate resources. Treat or adjust insulin from the confirmatory point-of-care value rather than an unverified CGM low. CDCCDCNHSN Glycemic Control: Hypoglycemia - CDC

Start with a time-linked medication and nutrition review: compare the glucose nadir with insulin administration, sulfonylurea exposure, correctional insulin, IV insulin used for hyperkalemia, meal intake, NPO orders, enteral feed interruptions, total parenteral nutrition interruption, and recent discontinuation of IV dextrose. Also identify recent corticosteroid dose reduction, which can lower insulin requirements and precipitate hypoglycemia if insulin is not reduced. ScienceDirect+2ScienceDirectNocturnal Hypoglycemia - an overviewPubMedThe risk factors of inpatient hypoglycemia: A systematic reviewPubMedUnderstanding hypoglycemia in hospitalized patients - PMC

In patients receiving sulfonylureas, age 65 years or older, estimated GFR at or below 30 mL/min/1.73 m², and concurrent intermediate- or long-acting insulin identify higher risk for sulfonylurea-associated hypoglycemia. In one hospitalized cohort, 19% of sulfonylurea recipients experienced hypoglycemia; rates were 22% with glyburide, 19% with glimepiride, and 16% with glipizide. Avoid or use sulfonylureas cautiously in these high-risk inpatients. PubMedPubMedHypoglycemia in hospitalized patients treated with sulfonylureas. - Abstract

If no glucose-lowering exposure or nutrition mismatch explains the event, evaluate acute illness and non-diabetic causes. Sepsis, renal impairment, liver failure, heart failure, malignancy, malnutrition, adrenal insufficiency, and alcohol exposure are recognized etiologic branches. The next action is directed testing and treatment for the suspected illness rather than empiric intensification of glucose surveillance alone. PubMed+2PubMedAn Inpatient Hypoglycemia Committee: Development, Successful Implementation, and Impact on Patient Safety - PMCPubMedThe risk factors of inpatient hypoglycemia: A systematic reviewPubMedFrequency of Adrenal Insufficiency in Patients With Hypoglycemia in an Emergency Department: A Cross-sectional Study - PMC

Use a standardized institutional protocol at glucose below 70 mg/dL, but pair it with an individualized prevention plan for each patient. Insulin is a high-alert medication, and breakdowns in communication between teams can produce duplicate insulin orders or continued oral hypoglycemic therapy despite changing clinical conditions. CDC+1CDCNHSN Glycemic Control: Hypoglycemia - CDCPubMedAn Inpatient Hypoglycemia Committee: Development, Successful Implementation, and Impact on Patient Safety - PMC

Avoid sliding-scale insulin alone in long-term care settings and simplify regimens for older adults with multiple comorbidities, cognitive impairment, or functional dependence when hypoglycemia avoidance is the priority. Conservative long-term care targets described in current reviews are fasting glucose 100-140 mg/dL and postprandial glucose 140-180 mg/dL; individualized HbA1c targets may range from less than 7.5% in healthy functional adults to 8.0%-8.5% in those with major comorbidity or functional dependence. BMJBMJUpdate on the management of diabetes in long-term care facilities | BMJ Open Diabetes Research & Care

At each transition of care—NPO status, procedure transport, feed interruption, steroid taper, renal deterioration, or discharge—reconcile the active insulin and noninsulin medication plan with current carbohydrate exposure and renal function. This is particularly important for patients with prior inpatient hypoglycemia, which is itself a risk marker for recurrent events. ScienceDirect+3ScienceDirectNocturnal Hypoglycemia - an overviewPubMedAn Inpatient Hypoglycemia Committee: Development, Successful Implementation, and Impact on Patient Safety - PMCPubMedThe risk factors of inpatient hypoglycemia: A systematic reviewPubMedUnderstanding hypoglycemia in hospitalized patients - PMC