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[Thrombocyte function in children with Type I diabetes mellitus. Cross-sectional study]
U Nowak-Göttl1, W D Kreuz, E Besier
1Zentrum der Kinderheilkunde, Johann-Wolfgang-Goethe-Universität, Frankfurt/Main.
Summary
Diabetic children without angiopathy show enhanced platelet aggregation and adhesion. These platelet function changes may precede diabetic vasculopathy.
Area of Science:
- Hematology
- Pediatric Endocrinology
- Vascular Biology
Context:
- Type 1 diabetes mellitus (T1DM) is a chronic metabolic disorder affecting children.
- Diabetic microvascular complications, such as retinopathy and nephropathy, are well-documented.
- Platelet activation and function alterations are implicated in the pathogenesis of diabetic vascular disease.
Purpose:
- To investigate platelet function in children with T1DM and no clinical signs of diabetic angiopathy.
- To assess spontaneous and stimulated platelet aggregation, adhesion, and related markers.
- To explore correlations between glycemic control (HbA1c), diabetes duration, and platelet parameters.
Summary:
- Fifty-one children with T1DM were compared to age-matched healthy controls.
- Diabetic children exhibited significantly enhanced spontaneous platelet aggregation, elevated von-Willebrand-factor, increased platelet shape change, and adhesion.
- No significant differences were observed in ADP- and collagen-induced platelet aggregation or beta-thromboglobulin levels.
Impact:
- Demonstrates subclinical platelet function abnormalities in children with T1DM.
- Suggests that these platelet changes, potentially linked to metabolic control, may precede the development of diabetic vasculopathy.
- Highlights the importance of monitoring platelet function in pediatric diabetes management.