检验医学 ›› 2013, Vol. 28 ›› Issue (12): 1116-1120.DOI: 10.3969/j.issn.1673-8640.2013.12.013

• 技术研究与评价.论著 • 上一篇    下一篇

Destiny Max全自动血凝分析仪的性能评价

郑加永,夏淑琦,魏国忠,马卫德,汪海,王晗,张德亭   

  1. 温州市人民医院温州市妇幼保健院妇产科实验室,浙江 温州 325000
  • 收稿日期:2012-12-13 出版日期:2013-12-01 发布日期:2013-12-20
  • 作者简介:郑加永,男,1976年生,学士,副主任技师,主要从事血栓与止血疾病的实验室研究。

Evaluation on the performance of Destiny Max automatic coagulation analyzer

ZHENG Jiayong, XIA Shuqi, WEI Guozhong, MA Weide, WANG Hai, WANG Han, ZHANG Deting.   

  1. Laboratory for Gynecology and Obstetrics, Wenzhou Maternity and Child Care Center, the People′s Hospital of Wenzhou, Zhejiang Wenzhou 325000, China
  • Received:2012-12-13 Online:2013-12-01 Published:2013-12-20

摘要:

目的 对DestinyMax全自动血凝分析系统(简称DestingMax)的主要性能指标进行评价。方法 按照美国临床实验室标准化协会(CLSI)的相关文件对DestinyMax进行精密度、检出限、线性、携带污染率和试剂稳定性评价,并与StagoSTA-R血凝分析系统(简称StagoSTA-R)进行比较。评价项目为血浆凝血酶原时间(PT)、国际标准化比值(INR)、活化部分凝血活酶时间(APTT)、凝血酶时间(TT)及纤维蛋白原(FIB)。结果 DestinyMax各检测项目批内精密度[变异系数(CV)]均<3%,批间精密度(CV)均低于1/3总误差;FIB的检出限为0.50g/L,在0.90~8.97g/L范围内均有良好的线性;携带污染率均低于1/4总误差;试剂开瓶后在15d内结果稳定,各检测项目CV均<10%。DestinyMax与StagoSTA-R相关性分析显示,除APTT相关系数(r2)为0.8134外,PT、INR、FIB的r2>0.95,结果均呈高度相关。结论 DestinyMax精密度高,线性范围、检出限值、携带污染率达到要求,试剂稳定期长,性能稳定可靠,适合于各级医院临床应用。

关键词: 性能评价, 全自动血凝分析仪, 检出限, 线性范围

Abstract:

Objective  To evaluate the main performance parameters of Destiny Max automatic coagulation analyzer (Destiny Max analyzer). Methods  According to the Clinical and Laboratory Standards Institute (CLSI) document, the precision, detection limit, linearity, contamination rate and stability of Destiny Max analyzer were evaluated, and the results were compared with those by Stago STA-R coagulation system (Stago STA-R analyzer). The evaluation parameters included prothrombin time (PT), international standardization ratio (INR), activated partial thromboplastin time (APTT), thrombin time (TT) and fibrinogen (FIB). Results  The within-run coefficients of variation (CV) of all the results detected by Destiny Max analyzer were <3%,and the between-run CV were <1/3 total error. The detection limit of FIB was 0.50 g/L, and it had good linearity in the range of 0.90-8.97 g/L. The results of contamination rate were less than 1/4 of total error. The results were stable within 15 d after open vial reconstituted. The CV of all the results were <10%. The correlation of Destiny Max analyzer, and Stago STA-R analyzer showed that except the coefficient of correlation (r2) of APTT was 0.813 4,the results of PT,INR and FIB were in high correlation(r2>0.95). Conclusions  The precision, linearity, detection limit and contamination rate of Destiny Max analyzer meet the requirements. The stability of reagents and performance of Destiny Max analyzer are quite good and suitable for the clinical application.

Key words: Performance evaluation, Automatic coagulation analyzer, Detection limit, Linear range

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