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Licensed Unlicensed Requires Authentication Published by De Gruyter January 14, 2021

Association of hemoglobin H (HbH) disease with hemoglobin A1c and glycated albumin in diabetic and non-diabetic patients

Dabao He, Wenbin Kuang, Xiaoling Yang and Miao Xu

Abstract

Objectives

Hemoglobin A1c (HbA1c) and glycated albumin (GA) are glycemic control status indicators in patients with diabetes mellitus. Hemoglobin H (HbH) disease is a moderately severe form of α-thalassemia. Here we examine the usefulness of HbA1c and GA in monitoring glycemic control in patients with HbH disease.

Methods

HbA1c, GA, and an oral glucose tolerance test were performed in 85 patients with HbH disease and 130 healthy adults. HbA1c was measured using five methods, including two systems based on cation-exchange high-performance liquid chromatography (Variant II Turbo 2.0 and Bio-Rad D100), a capillary zone electrophoresis method (Capillarys 3 TERA), a boronate affinity HPLC method (Premier Hb9210), and an immunoassay (Cobas c501).

Results

Significant lower levels of HbA1c were observed in patients with HbH disease than in healthy adults. In contrast, GA showed no statistically significant differences between participants with and without HbH disease. A considerable number of diabetic patients with HbH disease would be missed if using HbA1c as a diagnostic criterion for diabetes mellitus.

Conclusions

GA but not HbA1c is suitable for monitoring glycemic control in patients with HbH disease that can modify the discriminative ability of HbA1c for diagnosing diabetes.


Corresponding authors: Xiaoling Yang, Department of Laboratory Medicine, Shenzhen Baoan District Songgang People’s Hospital, Shenzhen, Guangdong, P.R. China, E-mail: ; and Miao Xu, Department of Laboratory Medicine, Weifang People’s Hospital, Weifang, Shandong, P.R. China, E-mail:

  1. Research funding: None declared.

  2. Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  3. Competing interests: Authors state no conflict of interest.

  4. Informed consent: Informed consent was obtained from all individuals included in this study.

  5. Ethical approval: Research involving human subjects complied with all relevant national regulations, institutional policies and is in accordance with the tenets of the Helsinki Declaration (as revised in 2013), and has been approved by the Ethics Committee of the Shenzhen Longhua District Central Hospital.

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Supplementary Material

The online version of this article offers supplementary material (https://doi.org/10.1515/cclm-2020-1563).


Received: 2020-10-20
Accepted: 2020-12-15
Published Online: 2021-01-14
Published in Print: 2021-05-26

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