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Association of Fructosamine Levels With Glycemic Management in Children With Type 1 Diabetes as Determined by
Kate C Verbeeten1, Ken Tang2, Jennilea M Courtney1
1CHEO Research Institute, Ottawa, Ontario, Canada.
Insights
Serum fructosamine correlates with average blood glucose in children with type 1 diabetes. This finding offers a clinical tool for assessing short-term glycemic control when continuous glucose monitoring (CGM) is unavailable.
Area of Science:
- Pediatric Endocrinology
- Diabetes Management
- Biochemical Markers
Background:
- Type 1 diabetes management requires accurate glucose monitoring.
- Continuous Glucose Monitoring (CGM) provides real-time glucose data.
- Serum fructosamine is a marker of short-term glycemic control.
Purpose of the Study:
- To determine the correlation between serum fructosamine and average blood glucose measured by CGM.
- To evaluate the clinical utility of fructosamine in pediatric type 1 diabetes.
Main Methods:
- Analysis of 97 blood samples from 70 children with type 1 diabetes.
- Utilized 3 weeks of CGM data with at least 60% adherence per participant.
- Employed ordinary least-squares linear regression with restricted cubic splines.
Main Results:
- A statistically significant association was found between serum fructosamine and mean blood glucose (F=9.543, p<0.001).
- A formula and conversion chart were developed to estimate mean blood glucose from fructosamine levels.
Conclusions:
- Serum fructosamine demonstrates a complex relationship with average blood glucose from CGM.
- Fructosamine can serve as a clinically valuable tool for short-term glycemic assessment in the absence of CGM.
Objective:
Our aim in this study was to determine the correlation between serum fructosamine and average blood glucose, as measured by continuous glucose monitoring (CGM) in children with type 1 diabetes.
Methods:
Ninety-seven blood samples were collected from 70 participants in the Timing of Initiation of continuous glucose Monitoring in Established pediatric diabetes (CGM TIME) Trial. Each eligible participant had 3 weeks of CGM data with at least 60% CGM adherence before blood collection. Ordinary least-squares linear regression incorporating restricted cubic splines was used to determine the association between fructosamine levels and mean blood glucose.
Results:
An association was found between fructosamine and mean blood glucose, with an F statistic of 9.543 (p<0.001). Data were used to create a formula and conversion chart for calculating mean blood glucose from fructosamine levels for clinical use.
Conclusions:
There is a complex relationship between average blood glucose, as determined by CGM and fructosamine. Fructosamine levels may be clinically useful for assessing short-term glycemic management when CGM is not available.
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