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Age-dependent basal insulin patterns in children with type 1 diabetes treated with continuous subcutaneous insulin

Agnieszka Szypowska1, Maria Lipka, Marlena Błazik

  • 1Medical University of Warsaw, The Second Department of Paediatrics, Poland. agnieszka.szypowska@gmail.com

Acta Paediatrica (Oslo, Norway : 1992)
|December 3, 2008
PubMed

Insights

Continuous subcutaneous insulin infusion (CSII) basal rates in children with type 1 diabetes increase with age. These age-dependent basal rates influence daily insulin needs and circadian distribution in pediatric patients.

Area of Science:

  • Pediatric Endocrinology
  • Metabolic Disorders
  • Diabetes Management

Background:

  • Type 1 diabetes (T1D) management in children requires precise insulin dosing.
  • Continuous subcutaneous insulin infusion (CSII) is a key therapy for T1D.
  • Understanding age-specific insulin needs is crucial for optimizing CSII therapy.

Purpose of the Study:

  • To identify age-dependent basal insulin requirements in pediatric patients with T1D on CSII.
  • To analyze the relationship between basal rates and patient demographics and glycemic control.

Main Methods:

  • Retrospective analysis of 198 T1D children (age 0-18 years) on CSII with good glycemic control (HbA1c < 8%).
  • Data categorized into four age groups: 0-6, 6-9, 9-12, and 12-18 years.
  • Basal rate data extracted from pump memory; HbA1c, weight, and height recorded.

Main Results:

  • Significant increases in average hourly basal insulin rates were observed across age groups (0.14 to 0.72 units/h).
  • Basal rates positively correlated with age, weight, BMI, diabetes duration, and total daily insulin dose.
  • Circadian insulin peaks varied by age group, with later peaks in older children.

Conclusions:

  • Paediatric CSII basal insulin requirements demonstrate a clear age-dependent pattern.
  • Basal insulin infusion rates significantly impact the circadian distribution of insulin needs in children with T1D.
  • These findings highlight the importance of age-adjusted basal rate profiles for effective CSII therapy.
Abstract

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