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Evaluation of Early Administration of Insulin Glargine in the Acute Management of Diabetic Ketoacidosis

Author(s):

Adham Mohamed*, Jeannette Ploetz and Majdi S Hamarshi  

Abstract:


Background: Few studies have evaluated the early use of insulin glargine in the management of diabetic ketoacidosis (DKA) patients. Early insulin glargine use in DKA was safe and associated with a trend towards faster DKA resolution.

Objectives: To evaluate the efficacy and safety of early insulin glargine administration for acute management of DKA in critically ill patients.

Methods: This single-center retrospective cohort study included patients, who were >18 years of age with DKA, admitted to the intensive care unit (ICU) for at least 12 h, and received intravenous insulin infusion for at least 6 h. The primary endpoint was the association between the time to insulin glargine administration and time to DKA resolution. Linear and logistic regression analyses were performed.

Results: Of the 913 patients evaluated, 380 were included in the study. The overall mean age was 45±17 years, 196 (51.6%) were female, and 262 (70%) patients had type 1 diabetes mellitus. The mean blood glucose level was 584.9±210 mg/dL, pH was 7.16±0.17, anion gap was 28.17±6.9 mEq/L, and serum bicarbonate level was 11.19±5.72 mEq/L. Every 6-h delay in insulin glargine administration was associated with a 26-min increase in time to DKA resolution (95% confidence interval [CI], 14.76–37.44; p<0.0001), 3.2-h increase in insulin infusion duration (95% CI, 28.8–36; p<0.0001), and 6.5-h increase in ICU LOS (95% CI, 5.04–7.92; p<0.0001).

Conclusion: Early administration of insulin glargine is potentially safe and may be associated with a reduction in time to DKA resolution and shorter duration of insulin infusion.

Keywords:

diabetes mellitus, Diabetic ketoacidosis, insulin, Insulin glargine, Blood glucose, Length of stay, Retrospective study

Affiliation:

Saint Luke’s Hospital of Kansas City, 4401 Wornall Rd., Kansas City, MO, 64111, Saint Luke’s Hospital of Kansas City, 4401 Wornall Rd., Kansas City, MO, 64111, Saint Luke’s Hospital of Kansas City, 4401 Wornall Rd., Kansas City, MO, 64111



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