检验医学 ›› 2019, Vol. 34 ›› Issue (3): 267-270.DOI: 10.3969/j.issn.1673-8640.2019.03.018

• 实验室管理·论著 • 上一篇    下一篇

上海地区遗传性耳聋基因检测室间质量评价

鲍芸, 肖艳群, 蒋玲丽, 王雪亮, 杨依绡, 王华梁   

  1. 上海市临床检验中心,上海 200126
  • 收稿日期:2017-12-08 出版日期:2019-03-30 发布日期:2019-03-27
  • 作者简介:null

    作者简介:鲍 芸,女,1983年生,博士,主管技师,主要从事临床分子生物学检测及质量控制工作。

  • 基金资助:
    上海市卫生和计划生育委员会公共卫生三年行动计划(15GWZK0301)

External quality assessment for the results of hereditary deafness genetic testing in Shanghai

BAO Yun, XIAO Yanqun, JIANG Lingli, WANG Xueliang, YANG Yixiao, WANG Hualiang   

  1. Shanghai Center for Clinical Laboratory, Shanghai 200126, China
  • Received:2017-12-08 Online:2019-03-30 Published:2019-03-27

摘要:

目的 通过开展遗传性耳聋基因检测室间质量评价(EQA),评估上海地区临床实验室遗传性耳聋基因检测能力,以提高检测质量。方法 2017年EQA共涉及4个耳聋相关基因的9个突变位点,样本盘包含5个样本,样本类型为干血斑。要求参评实验室收到样本后在规定时间内检测并上报检测结果。计算各实验室成绩、不同样本的总体符合率及不同检测方法的符合率,统计检测错误类型。结果 共收到18份有效回报结果。77.78%的实验室回报结果完全正确,5.56%的实验室出现错误结果但总成绩合格,16.67%的实验室成绩不合格。阴性样本(野生型样本)的检测符合率为100%,阳性样本(突变型样本)的检测符合率为93.59%。共出现检测错误10个,错误类型集中表现为假阴性。结论 上海地区临床实验室遗传性耳聋基因检测总体准确率较高,质量控制对于保证检测结果的准确性具有十分重要的作用。

关键词: 遗传性耳聋, 基因检测, 室间质量评价

Abstract:

Objective To evaluate the performance of hereditary deafness genetic testing in external quality assessment (EQA) program of Shanghai. Methods In 2017 EQA program, 9 loci on 4 different genes were investigated. The sample panel consisted of 5 different dry blood spots. Participating laboratories were asked to report the results before deadlines. The scores of laboratories were calculated, and the overall consistency rates of different loci as well as different methods and reagents were calculated, and error sorting was evaluated. Results Totally, 18 valid laboratory results were received,and 77.78% laboratories submitted correct results for all samples, 5.56% laboratories reported with errors but were overall qualified, and 16.67% laboratories reported with errors and were overall unqualified. The consistency rate was 100% for negative samples (wild type samples) and 93.59% for positive samples (mutant samples). There were 10 error results,all of which were false negative. Conclusions The overall accuracy rate of clinical laboratories enrolled in the program of Shanghai is high. Quality controls in clinical laboratories is essential to assure the accuracy of results.

Key words: Hereditary deafness, Genetic testing, External quality assessment

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