Abstract
Diabetes ketoacidosis (DKA) is a common presentation and complication of type 1 diabetes (T1D). While intravenous insulin is typically used to treat acute metabolic abnormalities, the transition from intravenous to subcutaneous treatment can present a challenge. We hypothesize that co-administration of glargine, a subcutaneous long-acting insulin analog, during insulin infusion may facilitate a flexible and safe transition from intravenous to subcutaneous therapy. To determine if the practice of administering subcutaneous glargine during intravenous insulin is associated with an increased risk of hypoglycemia, hypokalemia, or other complications in children with DKA. Retrospective chart review of patients aged 2 to 21 years, presenting to our center with DKA between April 2012 and June 2014. Patients were divided into two groups: those co-administered subcutaneous glargine with intravenous insulin for over 4 hours (G+); and patients with less than 2 hours of overlap (G-). We reviewed 149 DKA admissions (55 G+, 94 G-) from 129 unique patients. There was a similar incidence of hypoglycemia between groups (25% G+ vs 20% G-, P = 0.46). Hypokalemia (<3.5 mmol/L) occurred more frequently in the G+ group (OR = 3.4, 95% CI 1.7-7.0, P = 0.001). Cerebral edema occurred in 2/55 (3.6%) of the G- group and none of the G+ subjects. Co-administration of glargine early in the course of DKA treatment is well tolerated and convenient for discharge planning; however, this approach is associated with an increased risk of hypokalemia.
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