Artefactually Low Hemoglobin A1C in a Patient with Hemolytic Anemia

被引:7
作者
Lum, Gifford [1 ]
机构
[1] VA Boston Healthcare Syst, Pathol & Lab Med Serv, Boston, MA USA
来源
LABMEDICINE | 2010年 / 41卷 / 05期
关键词
diabetes; HbA(1C); falsely low HbA(1C); shortened red cell survival; hemolytic anemia; DIAGNOSIS;
D O I
10.1309/LME5Q0LRZDW4DHJR
中图分类号
R446 [实验室诊断]; R-33 [实验医学、医学实验];
学科分类号
1001 ;
摘要
Hemoglobin A(1C) (HbA(1C)) is widely used for the monitoring and management of diabetes mellitus. Shortened red cell survival may result in artefactually low HbA(1C) values. In patients with hemoglobin variants or chemically-modified derivatives of hemoglobin, falsely decreased or increased HbA(1C) results may be found depending on the particular assay method. Although in most such cases, HbA(1C) can be reported if the appropriate methodology is selected. In diabetic patients with shortened red cell survival and in a small number of patients with certain hemoglobin variants, alternate approaches such as frequent glucose measurements and/or self glucose monitoring and fructosamine should be used to assess glycemic control. In diabetic patients with these conditions, HbA(1C) as the preferred diagnostic test for diabetes is not valid.
引用
收藏
页码:267 / 270
页数:4
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