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在常规凝血试验中,光学方法与机械方法的比较
1Istanbul Medipol University, Faculty of Medicine, Department of Biochemistry, Istanbul, Türkiye.
Journal of medical biochemistry
|August 18, 2025
概括
光学方法与机械方法对前列血时间 (PT),国际规范比率 (INR) 和激活部分血栓形成时间 (aPTT) 测试有可靠的一致性,对aPTT有很好的结果.
科学领域:
- 临床生物化学 临床生物化学
- 血液学 血液学 血液学
- 医学诊断 医学诊断 医学诊断
背景情况:
- 凝血检测对于患者管理至关重要.
- 对比不同的分析方法对于实验室的效率和准确性至关重要.
- 光学和机械方法在凝血分析中很常见.
研究的目的:
- 为了比较光学和机械方法之间的前列血时间 (PT),国际规范化比率 (INR) 和激活的部分血栓形成时间 (aPTT) 值.
- 为了评估PT,INR和aPTT的一致性,从Sunbio UP5500 (光学) 和Stago Compact Max3 (机械) 分析仪获得的结果.
- 为了评估光学方法的可靠性与已建立的机械参考方法相比.
主要方法:
- 使用机械 (Stago Compact Max3) 和光学 (Sunbio UP5500) 方法分析了340个血样本.
- 统计分析包括相关系数,Passing-Bablok回归和Bland-Altman图.
- 对光学方法的测试内和测试间变化系数 (CV) 的评估.
主要成果:
- 在两种方法之间观察到PT (ICC:0.627) 和INR (ICC:0.653) 的良好统计学意义上的一致性.
- 对于aPTT (ICC:0.902) 发现了出色的统计学意义上的协议.
- 与机械方法相比,光学方法表明CV值低 (<5%),INR和aPTT没有显著的系统或比例差异.
结论:
- 与机械参考方法相比,光学方法为PT,INR和aPTT提供了一致和可靠的结果.
- Sunbio UP5500分析仪显示出对凝血参数的良好至优异一致.
- 建议进行进一步的多中心研究,以调查使用乱样本的性能.
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