在心脏动患者中诊断心力衰竭的NT-proBNP测试:一个诊断准确性研究
Nicholas R Jones1, Kathryn S Taylor1, José M Ordóñez-Mena1
1Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom.
PLoS medicine
|October 30, 2025
概括
在患有心房动 (AF) 的患者中,对诊断心力衰竭 (HF) 的N-终端亲B型尿酸 (NT-proBNP) 测试的准确性较低. 在AF患者中较高的NT-proBNP值可能会减少假阳性,但有可能错过HF诊断.
科学领域:
- 心脏病学 心脏病学
- 生物标志物 生物标志物
- 诊断的准确性 诊断的准确性
背景情况:
- 在心力衰竭 (HF) 评估中,N-终端亲B型尿素 (NT-proBNP) 是至关重要的.
- 在心房动 (AF) 中NT-proBNP升高使心房动诊断复杂化.
- 这项研究评估了NT-proBNP在AF患者中对HF的诊断效用.
研究的目的:
- 评估NT-proBNP对AF和非AF个体中HF的诊断准确性.
- 分析不同年龄,性别和BMI子组的准确性.
- 调查不同NT-proBNP值对AF诊断结果的影响.
主要方法:
- 对与二级保健数据相关联的初级保健电子健康记录 (2004-2018) 的回顾性分析.
- 包括155,347名为NT-proBNP测试的患者,其中17,403人具有先前存在的AF.
- 在6个月内在125,400,660和2000 pg/mL的门下,评估NT-proBNP对HF诊断的准确性.
主要成果:
- 与AF患者 (AUC=0.743) 相比,NT-proBNP在非AF患者中对HF进行了更好的歧视 (AUC=0.877).
- 在AF患者中,在125 pg/mL时,灵敏度为98.8%,特异性为13.2%;在400 pg/mL时,灵敏度为93.2%,特异性为35.5%.
- 在老年AF患者 (≥65岁) 中,歧视性较差. 将值提高到660 pg/mL将错误阳性减少了26.0%,但错过的HF诊断增加了10.6%.
结论:
- 与没有AF的患者相比,NT-proBNP在AF患者中是一个不太准确的HF生物标志物.
- 建议在AF患者中考虑更高的NT-proBNP转诊值,平衡减少的假阳性与错过诊断风险增加.
- 常规的初级保健数据限制可能会影响低于400 pg/mL的诊断准确度.
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