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[Serum fructosamine in healthy and diabetic children and adolescents]
H Schlebusch1, N Liappis, M Sorger
1Zentrum für Geburtshilfe und Frauenheilkunde, Universität Bonn.
Insights
Fructosamine measurement in children provides a medium-term blood glucose control record. Correcting for total protein establishes age-independent reference ranges, aiding pediatric diabetes management.
Area of Science:
- Clinical Chemistry
- Pediatric Endocrinology
- Diabetes Mellitus Monitoring
Context:
- Establishing reliable reference ranges for serum fructosamine is crucial for accurate assessment of glycemic control in pediatric populations.
- Existing methods may not account for age-related physiological variations in serum protein levels.
- Glycated serum proteins offer a shorter-term glycemic marker compared to hemoglobin A1c.
Purpose:
- To establish age-dependent reference ranges for serum fructosamine in healthy newborns, children, and adolescents using a novel colorimetric method.
- To investigate the impact of correcting fructosamine values for total protein and albumin on age-dependency.
- To evaluate the utility of serum fructosamine as a medium-term glycemic control indicator in pediatric diabetes.
Summary:
- A new colorimetric method for serum fructosamine determination revealed age-dependent reference ranges in pediatric subjects.
- Correcting for total protein normalized fructosamine medians across age groups, aligning upper limits with adult ranges.
- Albumin correction did not yield similar age-independent results.
- Serum fructosamine, with its shorter half-life (mean 20 days), offers valuable medium-term glycemic control insights for children and adolescents.
Impact:
- Provides age-independent reference ranges for serum fructosamine in children when corrected for total protein, simplifying clinical interpretation.
- Highlights the clinical utility of fructosamine for monitoring medium-term blood glucose control in pediatric diabetes mellitus.
- Supports the use of fructosamine as a complementary tool to hemoglobin A1c for comprehensive diabetes management in younger populations.
Abstract:
The determination of fructosamine in serum of healthy newborns, children and adolescents by a new colorimetric method leads to an age-dependent reference range. Correction of the values for total protein yields a median of the results, which is not dependent on age and the upper limit of the reference range is not significantly different from that of healthy adults; this does not hold true for referral to albumin. As the half-life time of glycated serum proteins is shorter (mean 20 days) than that of hemoglobin A1c, fructosamine can provide useful additional informations about the diabetic control of children and adolescents (medium-term record of blood glucose).