在社区中诊断心力衰竭的年龄调整的尿素值:诊断准确性研究研究
Clare J Taylor1,2, Kathryn S Taylor2, Nicholas R Jones2
1Department of Applied Health Sciences, School of Health Sciences, College of Medicine and Health, University of Birmingham, Birmingham, UK.
ESC heart failure
|July 28, 2025
概括
对N-终端B型亲尿素 (NT-proBNP) 的年龄调整值减少了对心力衰竭 (HF) 诊断的转诊. 虽然特异性有所改善,但一些较低风险的病例可能最初会被遗漏,需要针对肥胖症进行特定调整.
科学领域:
- 心脏病学 心脏病学
- 生物标志物研究 生物标志物研究
- 诊断准确性研究 诊断准确性研究
背景情况:
- 目前欧洲心脏病学会 (ESC) 的指导方针使用单个N-终端亲B型尿素 (NT-proBNP) 值 (≥125 pg/mL) 作为症状心力衰竭 (HF) 患者的专家转诊.
- 这个单一的值可能是不理想的,因为尿素水平自然会随着年龄的增长而增加.
- 欧洲社会委员会心力衰竭协会 (ESC Heart Failure Association,简称HFA) 提出了年龄调整的临界值,以潜在地提高诊断准确度.
研究的目的:
- 评估NT-proBNP测试的诊断性能,使用最近提出的ESC HFA年龄调整值.
- 评估不同年龄组,性别和身体质量指数 (BMI) 类别的测试表现.
主要方法:
- 一项诊断准确性研究利用了来自英格兰 (2004-2018) 的连接初级和二级保健数据.
- 在ESC HFA年龄调整的规则入门 (≥125 pg/mL,≥250 pg/mL和≥500 pg/mL分别为年龄组<50,50-74和≥75岁) 上分析了NT-proBNP测试的性能.
- 还评估了高风险值 (≥2000 pg/mL),并对性别和BMI进行了调整,包括肥胖类别.
主要成果:
- 在155,347名接受测试的患者中,9.4%被诊断出患有高血压. 当前的ESC值 (≥125 pg/mL) 显示高灵敏度 (94.6%),但特异性低 (50.0%).
- 根据年龄调整的值显示敏感性降低 (83.5%-88.5%),但在各年龄组显著增加特异性 (63.5%-77.6%).
- 较高的BMI与较低的敏感性有关,这种敏感性在针对肥胖的特定调整后得到改善. 测试表现在性别之间是可比的.
结论:
- 实施ESC HFA年龄调整的NT-proBNP值大大减少了HF诊断评估的转诊.
- 这些年龄调整的门增加了特异性,但可能会导致少数最初未被发现的,可能较低风险的HF病例.
- 建议针对肥胖患者制定特定的较低值,以防止错过HF诊断;不需要基于性别的调整.
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