Longitudinal multicenter analysis on the course of glucose metabolism in obese children

A Körner1, S Wiegand, A Hungele

  • 1Center for Pediatric Research, Department of Women and Child Health, University Hospital for Children & Adolescents, University of Leipzig, Leipzig, Germany. antje.koerner@medizin.uni-leipzig.de

Insights

Obese children in specialized centers showed improved glucose metabolism, with many cases of impaired glucose tolerance reverting to normal. This positive trend occurred despite modest weight loss, highlighting the effectiveness of treatment interventions.

Area of Science:

  • Pediatric Endocrinology
  • Metabolic Disorders
  • Obesity Research

Background:

  • Obesity in children is linked to rising impaired glucose metabolism.
  • Limited data exists on the progression of glucose metabolism issues in pediatric obesity.
  • Large-scale, multi-center data on this topic is needed.

Purpose of the Study:

  • To determine the prevalence of impaired glucose metabolism in obese children.
  • To analyze the longitudinal course of glucose metabolism in this group.
  • To assess outcomes using oral glucose tolerance tests (oGTT) within a pediatric obesity registry.

Main Methods:

  • Observational, multi-center study using the Adiposity Patients Verlaufsbeobachtung (APV) registry.
  • Cross-sectional analysis of 11,156 obese children and longitudinal analysis of 1,008.
  • Classification of glucose metabolism based on American Diabetes Association criteria: impaired fasting glucose (IFG), impaired glucose tolerance (IGT), and Type 2 diabetes (T2D).

Main Results:

  • 12.6% of obese children exhibited abnormal glucose metabolism (5.99% IFG, 5.51% IGT, 1.07% T2D).
  • In longitudinal follow-up, abnormal glucose metabolism decreased from 18.7% to 14.2%.
  • 70.6% of children with initial IGT normalized their glucose tolerance; improvement was linked to BMI changes but not solely dependent on them.

Conclusions:

  • Specialized treatment centers facilitate significant improvements in oGTT parameters for obese children.
  • Positive metabolic changes were observed even with modest reductions in Body Mass Index (BMI) standard deviation score.
  • These findings underscore the benefit of structured interventions for pediatric obesity and associated metabolic dysregulation.
Abstract

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