Journal
BIOANALYSIS
Volume 9, Issue 5, Pages 427-434Publisher
FUTURE SCI LTD
DOI: 10.4155/bio-2016-0278
Keywords
clinical biology; DBS; dried blood spot; glycated hemoglobin; HbA1c; HPLC; ion exchange; ISO15189; method validation
Funding
- ANR project BUVA-MASS
- French Government (ANR BUVAMASS)
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Aim: Hemoglobin A1c (HbA1c) is a widely recognized analyte for diagnosing and monitoring diabetes. Dried blood spot (DBS) constitutes a useful alternative to blood collection by venipuncture. Analytical and clinical validation of DBS use is, however, necessary before implementation. Results/methodology: HbA1c levels from whole blood or DBS from a cohort patients with diabetes were compared. DBS specimens were stable at ambient temperature. HbA1c detection on DBS was accurate, robust, and the correlation and agreement with whole blood values was excellent. Conclusion: This study provides for the first time a complete method comparison and validation under the ISO15189 guideline using an automated HPLC system. This approach constitutes, therefore, a useful tool for diagnosing diabetes.
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