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Impact of insulin pump therapy on long-term glycemic control in a pediatric Spanish cohort

Published:February 01, 2016DOI:https://doi.org/10.1016/j.diabres.2016.01.012

      Abstract

      Aims

      To evaluate the efficacy and safety of Continuous Subcutaneous Insulin Infusion (CSII) in a pediatric cohort and to determine if the ISPAD/IDF/ADA criteria for good metabolic control are achieved during long periods of time.

      Methods

      Retrospective longitudinal study including ninety patients [10.5 (6.5–13.9) years of age, 58% males]. Age at debut, type 1 diabetes mellitus duration, pubertal stage, HbA1c, insulin dose, mean number of glycemic controls, number of basal rates, % basal/total insulin, severe hypoglycemia and diabetic ketoacidosis events were analyzed. Subgroup analysis based on age and pubertal stage was performed.

      Results

      HbA1c decreased from 6.9% [52 mmol/mol] to 6.7% [50 mmol/mol] after one year of CSII. Afterwards, it remained less than 7% during the follow-up period (median 3.5 ± 1.8 years (range 1–8). Prior to CSII, 76% of the subjects met ISPAD/ADA criteria. One year after initiating CSII, 96% of children had HbA1c < 7.5%. Improvement in glycohemoglobin levels was most prominent in those patients with the highest HbA1c initial levels. Total insulin dose decreased from 0.89 to 0.73 UI/kg/day (p < 0.001). Proportion of basal/total insulin changed significantly (47 to 42% (p < 0.05)). Number of fractions of the basal rate increased from 5.6 ± 1.8 at one year of CSII to 6.7 ± 2.1 five years later. Incidence of severe hypoglycemic events decreased from 19 to 6.9 episodes/100 patient-year. Only 2 episodes of diabetic ketoacidosis occurred.

      Conclusions

      CSII allows reaching ISPAD/IDF/ADA goals safely during an extended follow-up period in a diabetic pediatric cohort.

      Keywords

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