Glycemic Patterns Detected by Continuous Subcutaneous Glucose Sensing in Children and Adolescents With Type 1 Diabetes Mellitus Treated by Multiple Daily Injections vs Continuous Subcutaneous Insulin Infusion
Open Access
- 1 July 2004
- journal article
- clinical trial
- Published by American Medical Association (AMA) in Archives of Pediatrics & Adolescent Medicine
- Vol. 158 (7), 677-684
- https://doi.org/10.1001/archpedi.158.7.677
Abstract
Objective To compare glycemic patterns by mode of therapy in children with type 1 diabetes mellitus using the Continuous Glucose Monitoring System (CGMS). Design Open randomized crossover comparing 3½ months of multiple daily injections (MDI) and continuous subcutaneous insulin infusion (CSII). Setting Tertiary care, university-affiliated medical center. Patients Twenty-three children and adolescents with type 1 diabetes mellitus. Interventions The CGMS was applied for 72 hours after 1 month and at the end of each study arm. Main Outcome Measures Hemoglobin A1c levels and glucose level profiles were compared between the 2 study arms and the 2 sensor applications for each arm. Results The arms were similar for mean (SD) hemoglobin A1c levels (CSII, 8.0% [0.8%]; and MDI, 8.2% [0.8%]) and glucose levels. Areas under the curve were significantly larger during MDI for nocturnal and 24-hour hypoglycemia (P = .01 and .04, respectively) and for postprandial hypoglycemia and hyperglycemia (P = .03 and .05, respectively). The rate of hyperglycemia increased during CSII (P = .03), but 24-hour duration and area under the curve for hyperglycemia were similar. Compared with the first CGMS reading in each arm, the second had a longer mean duration of postprandial within-target glucose levels (P = .04), tendency for lower rate of diurnal hypoglycemic events (P = .1), shorter duration of nocturnal hypoglycemia (P = .05), and smaller 24-hour area under the curve for hypoglycemia (P = .04). Conclusions Intensive treatment with CSII seemed to be associated with slightly better prebreakfast, postprandial, and within-target glucose profiles than MDI, as well as a smaller area under the curve for hypoglycemia. Lower hypoglycemia-related variables in the second sensor reading in each arm indicate that the CGMS may serve as an educational tool to decrease the rate and magnitude of hypoglycemia.Keywords
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