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在慢性病患者中预测心力衰竭风险中的N-终端亲B型尿酸的功能特异性值的确定:多中心,观察性,队列研究
Yi Lu1, Junzhe Chen1, Ruixuan Chen2
1Department of Nephrology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.
Heart (British Cardiac Society)
|February 26, 2025
概括
对N-终端B型亲尿素 (NT-proBNP) 的功能特异性值改善了慢性病 (CKD) 患者的心力衰竭风险预测. 将NT-proBNP解释量身定制为估计的淋巴膜过率 (eGFR) 提高了对均切线的准确性.
科学领域:
- 心脏病学 心脏病学
- 腎臟病學 (nephrology) 是一種醫學.
- 生物标志物研究 生物标志物研究
背景情况:
- 升高的N-终端亲B型尿素 (NT-proBNP) 在慢性病 (CKD) 中很常见.
- 标准NT-proBNP值可能不准确地预测慢性病患者的心力衰竭 (HF) 风险,原因是功能变化.
- 这项研究调查了功能特定的NT-proBNP值,以改善CKD中HF风险预测.
研究的目的:
- 为了确定特定于功能的NT-proBNP值是否能改善慢性病 (CKD) 患者心力衰竭 (HF) 风险预测.
- 将eGFR特定NT-proBNP值的预测值与CKD中HF风险的统一值进行比较.
主要方法:
- 从中国脏数据系统中,对18,261名没有先前HF的CKD患者进行了回顾性队列研究.
- 根据估计的膜过率 (eGFR) 类别,建立了功能特定的NT-proBNP值.
- 使用多变量Cox模型评估HF风险关联,并通过净重新分类改进 (NRI) 将预测值与统一值 (125 pg/mL) 进行比较.
主要成果:
- 特定于eGFR的值与统一的值 (67%) 相比,较少的患者 (23%) 发现NT-proBNP升高.
- 最佳NT-proBNP值随着eGFR的下降而增加,在CKD第5阶段达到顶峰.
- 特定于eGFR的值显著改善了HF风险预测 (NRI:19%-55%),而统一的值对第5阶段CKD没有任何附加值.
结论:
- 在CKD中NT-proBNP的解释需要考虑功能.
- 特定于eGFR的值在CKD患者中提供了优越的心力衰竭风险分层.
- 采用功能调整的NT-proBNP值提高了HF风险预测准确度,而不是统一的切断值.
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