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Int J Diabetes Dev Ctries. 2010 Apr;30(2):86-90. doi: 10.4103/0973-3930.62598.

Hemoglobin variants detected by hemoglobin A1c (HbA1c) analysis and the effects on HbA1c measurements.

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  • 1Department of Pathology, Faculty of Medicine, University of Malaya, Malaysia.

Abstract

BACKGROUND:

Hemoglobin (Hb) A1c is a tool widely used to monitor long-term glycemic control in diabetic patients. The objective of our study is to compare the HbA1c values measured on high performance liquid chromatography (HPLC) and immunoassay in patients who were detected to have hemoglobin variant after HbA1c analysis.

MATERIALS AND METHODS:

We compared the HbA1c values measured using the Arkray Adams A1c HA-8160 (HPLC method) and Roche Cobas Integra (immunoturbidimetric method) from diabetic patients who were diagnosed with hemoglobin variants.

RESULTS:

Forty-three diabetic patients were diagnosed with hemoglobin variants: 13 elevated Hb F, 12 Hb E trait, seven Hb S trait, seven Hb D trait, two Hb E / beta-Thalassemia, one Hb C trait, and one homozygous Hb S.

CONCLUSION:

Knowledge of hemoglobin variants affecting HbA1c measurements is essential, in order to avoid mismanagement of diabetic patients.

KEYWORDS:

HbA1c; hemoglobin variants; high performance liquid chromatography; immunoassay

PMID:
20535312
PMCID:
PMC2878696
DOI:
10.4103/0973-3930.62598
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