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Diabetes Technol Ther. 2014 Sep;16(9):563-6. doi: 10.1089/dia.2013.0357. Epub 2014 May 6.

Continuous subcutaneous insulin infusion in preschool children: butt or tummy, which is the best infusion set site?

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  • 11 Department of Pediatrics, Second University of Naples , Naples, Italy .



Choosing the right infusion set site can be an important factor in obtaining good glycemic control, especially in very young children. In an attempt to identify the best infusion site, we performed a crossover study in six preschool children with type 1 diabetes using insulin pump therapy.


We enrolled six patients 5.2±0.7 years old (range, 4-6 years), with type 1 diabetes for more than 1.5 years, using insulin pump therapy for at least 6 months. For each patient, body mass index, glycated hemoglobin, and all data downloaded from the system were evaluated on two occasions: the first with the infusion set placed on the buttock and the second on the abdomen, each for 3 days. The order of infusion set placement was randomized. Mean capillary blood glucose, mean continuous glycemia, mean area under the curve (AUC) using the trapezoidal rule for both >140 mg/dL and <70 mg/dL, insulin daily dose, carbohydrate/insulin ratio, total basal insulin, total bolus insulin, and mean amplitude of glucose excursions (MAGE) were evaluated.


Mean glycemic values, mean AUC >140 mg/dL, and MAGE were significantly lower when the infusion set was placed on the buttock versus the abdomen (144.6±31.9 mg/dL vs. 166.0±34.8 mg/dL [P=0.000], 28.4±18.3% vs. 48.8±28.2% [P=0.000], and 32±10 vs. 60±15 mg/dL [P<0.001], respectively), whereas mean AUC <70 mg/dL was higher (1.47±2.77% vs. 0.87±1.03% [P<0.001]).


The present findings suggest that preschool children with type 1 diabetes using insulin pump therapy could benefit from inserting the infusion set in the buttock instead of the abdomen.

[PubMed - indexed for MEDLINE]
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