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临床性能验证和四个诊断策略评估的高灵敏度托罗邦素I测定

Junyi Wu¹, Yaotong Hua^1,2, Yilin Ge¹

¹Department of Laboratory Medicine, Beijing Anzhen Hospital, Capital Medical University, Chaoyang District, Beijing, 100020, China.

Scientific reports

|April 25, 2025

概括

hs-cTnI 0/2 h算法为非ST升高心肌梗塞 (NSTEMI) 提供了最可靠的早期诊断,在中国队列中显示出高准确度和灵敏度. 这种策略是为最佳的诊断性能而推的.

科学领域:

心脏病学心脏病学
生物标志物测试开发
诊断策略诊断策略

背景情况:

急性冠状动脉综合征 (ACS) 包括不稳定性胸痛,NSTEMI和STEMI等疾病.
由于高灵敏度和特异性,建议在NSTEMI诊断中使用高灵敏度心脏热素I (hs-cTnI) 测定.
使用hs-cTnI试验的最佳早期NSTEMI检测策略缺乏共识.

研究的目的:

评估疑似NSTEMI的四种hs-cTnI基础的诊断策略的诊断性能.
为了比较不同hs-cTnI测试制造商的性能.
在中国队列中确定最可靠的hs-cTnI战略,用于早期NSTEMI诊断.

主要方法:

检测hs-cTnI试验的性能验证,包括检测极限 (LoB),检测极限 (LoD),量化极限 (LoQ) 和精度分析.
使用Hybiome hs-cTnI试验对267名ACS患者的临床样本进行分析.
使用敏感度,特异性,正预测值 (PPV),负预测值 (NPV) 和四种策略的F1分数来评估诊断准确度:LoB,单切线,hs-cTnI 0/1 h算法和hs-cTnI 0/2 h算法.

主要成果:

洛比策略显示了100%的灵敏度,但PPV很低 (14.0%).
无论是hs-cTnI 0/1 h和0/2 h算法都表现出高的诊断性能.
该hs-cTnI 0/2 h算法实现了最佳的整体性能,准确率为89.0%,灵敏度为93.3%,F1得分为73.68%.

结论:

hs-cTnI 0/2 h 算法为早期NSTEMI检测提供了最可靠的诊断性能.
这个算法提供了一个强大的策略来提高NSTEMI诊断的准确性.
在多种不同人群中进一步验证可能是有益的.

关键词:

诊断策略是一个诊断策略.在 NSTEMI 里面.这是一个hs-cTnLl.

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