检验医学 ›› 2019, Vol. 34 ›› Issue (1): 51-55.DOI: 10.3969/j.issn.1673-8640.2019.01.011

• 技术研究与评价?论著 • 上一篇    下一篇

11种同型半胱氨酸检测系统的性能评价

林斐然, 刘文彬, 欧元祝, 虞啸炫, 葛丹红, 唐立萍   

  1. 上海市临床检验中心,上海 200126
  • 收稿日期:2018-06-05 出版日期:2019-01-30 发布日期:2019-01-29
  • 作者简介:null

    作者简介:林斐然,女,1990年生,学士,技师,主要从事临床生物化学检验工作。

  • 基金资助:
    上海市第四轮公共卫生三年行动计划重点学科建设卫生检验学(15GWK0301)

Performance evaluation of different homocysteine determination systems

LIN Feiran, LIU Wenbin, OU Yuanzhu, YU Xiaoxuan, GE Danhong, TANG Liping   

  1. Shanghai Center for Clinical Laboratory,Shanghai 200126,China
  • Received:2018-06-05 Online:2019-01-30 Published:2019-01-29

摘要:

目的 评价11种同型半胱氨酸(Hcy)循环酶法商品化试剂的检测性能。方法 选取11种Hcy循环酶法商品化试剂,分别与HITACHI 7180全自动生化分析仪组成11种检测系统。参照美国临床实验室标准化协会(CLSI)EP15-A2、EP6-A文件及我国医药行业标准YY/T 1258—2015,验证11种检测系统的实验室内精密度、正确度、线性范围和9种检测系统的试剂批间差。结果 11种检测系统的实验室内精密度均符合要求[低于室间质量评价(EQA)标准的1/3(6.67%)]。除1种检测系统测定中、高水平样本的批间差>10%(EQA标准的1/2)外,其他检测系统的试剂批间差均符合要求(<10.00%)。11种检测系统中有4种未通过正确度验证,有3种线性范围验证判定为非线性。结论 11种检测系统在测定Hcy时各项检测性能存在一定的差异。各临床试验室应在开展Hcy检测时对检测系统进行性能验证。

关键词: 同型半胱氨酸, 循环酶法, 检测系统, 性能评价

Abstract:

Objective To evaluate the performance of 11 commercial cycle enzymatic assay reagents for homocysteine(Hcy) determination. Methods Hcy cycle enzymatic assay reagents from 11 manufacturers were selected,and they were combined with HITACHI 7180 automatic analyzer to set up 11 determination systems respectively. According to the Clinical and Laboratory Standards Institute(CLSI) EP15-A2 and EP6-A documents and the standard of YY/T 1258—2015,the within-laboratory precisionns,truenesses and linearities of 11 determination systems and between-run variations from 9 determination systems were verified. Results The precisions of 11 determination systems met the requirements [<1/3 standard of external quality assessment (EQA) (6.67%)]. Except the between-run variations for middle-level and high-level samples in 1 determination system was out of range (>10.00%,1/2 standard of EQA),the between-run variations of the other determination systems were <10%. The truenesses of 4 determination systems were not within the verification limit of accuracy,and there were 3 determination systems with nonlinear results through linear range verification. Conclusions For Hcy determination,performance differences exist among the 11 determination systems. Performance evaluation should be performed before Hcy determination in clinical laboratories.

Key words: Homocysteine, Cycle enzymatic assay, Determination system, Performance evaluation

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