检验医学 ›› 2015, Vol. 30 ›› Issue (2): 181-184.DOI: 10.3969/j.issn.1673-8640.2015.02.019

• 技术研究与评价·论著 • 上一篇    下一篇

毛细管电泳法检测糖化血红蛋白的分析性能评估

李卿, 刘文彬, 金中淦, 唐丽萍, 王美娟, 欧元祝, 虞啸炫, 居漪   

  1. 上海市临床检验中心生化室,上海 200126
  • 收稿日期:2014-05-29 出版日期:2015-02-28 发布日期:2015-02-12
  • 作者简介:null

    作者简介:李卿,男,1981年生,硕士,主管技师,主要从事临床生化检验标准化工作。

    通讯作者:居漪,联系电话:021-68316300-1204。

Evaluation on the analytical performance of capillary electrophoresis for the determination of HbA1c

LI Qing, LIU Wenbin, JIN Zhonggan, TANG Liping, WANG Meijuan, OU Yuanzhu, YU Xiaoxuan, JU Yi   

  1. Department of Clinical Chemistry, Shanghai Center for Clinical Laboratory, Shanghai 200126, China
  • Received:2014-05-29 Online:2015-02-28 Published:2015-02-12

摘要: 目的

评估毛细管电泳(CE)法检测糖化血红蛋白(HbA1c)的精密度、正确度、线性和抗干扰性,并与高效液相色谱法(HPLC)进行比对。

方法

根据不同的评估内容,收集相应样本,分别使用SEBIA CAPILLARYSTM 2 Flex Piercing毛细管电泳仪(毛细管电泳法)、ARKRAY HA-8160全自动HbA1c分析仪(HPLC)和IFCC参考方法检测HbA1c。采用SPSS 19.0 软件进行统计描述及线性回归模型分析。

结果

毛细管电泳法检测HbA1c在常见浓度(4.91%~9.67%)下的不精密度均<2%;与IFCC参考方法,相关程度较好(R2=0.993);当HbA1c浓度为5.0%~17.6%时,毛细管电泳法具有良好的线性(R2= 0.995),对氨甲酰化血红蛋白、不稳定HbA1c、胆红素、乳糜微粒等具有较好的抗干扰能力(绝对偏倚≤0.5%)。毛细管电泳法HbA1c的测定值与HPLC具有较好的相关性(R2=0.993)。

结论

毛细管电泳法的精密度、正确度、线性和抗干扰性等分析性能均符合临床实验室常规检测HbA1c的要求。

关键词: 糖化血红蛋白, 毛细管电泳法, 高效液相色谱

Abstract: Objective

To evaluate the precision, accuracy, linearity and anti-interference ability of capillary electrophoresis (CE) for the determination of hemoglobin A1c (HbA1c),and compare it with high performance liquid chromatography (HPLC).

Methods

Samples were collected according to each evaluation protocol. Samples were determined by SEBIA CAPILLARYSTM 2 Flex Piercing HbA1c analyzer (CE method), ARKRAY HA-8160 automatic HbA1c analyzer (HPLC) and IFCC reference method. Statistical analysis and linear regression analysis were performed by SPSS 19.0.

Results

The impression at common HbA1c levels (4.91%-9.67%) was <2%. The CE method and IFCC reference method showed good correlation (R2=0.993). The linearity was good (R2= 0.995) from HbA1c 5.0% to 17.6%. The results were not significantly influenced by carbamylated hemoglobin, labile HbA1c, bilirubin, chylomicron and so on (absolute bias ≤0.5%). SEBIA and HA-8160 showed good correlation (R2=0.993).

Conclusions

The precision, accuracy, linearity and anti-interference ability of SEBIA can meet the requirement of routine HbA1c determination in clinical laboratories.

Key words: Hemoglobin A1c, Capillary electrophoresis, High performance liquid chromatography

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