对心力衰竭死亡率的代谢风险评分的增量值:基于人口的研究
Jungnam Joo1, Joseph J Shearer2, Anna Wolska3
1Office of Biostatistics Research (J.J.), National Heart, Lung, and Blood Institute, Bethesda, MD.
Circulation. Genomic and precision medicine
|March 22, 2024
概括
来自目标代谢组的新代谢风险评分 (MRS) 显著改善了心力衰竭患者的死亡风险预测. 这一分数增强了超越现有的临床标志物的风险分层,为心力衰竭管理中的精确表型提供了一个新的工具.
科学领域:
- 心血管医学 心血管医学
- 代谢学 代谢学 代谢学
- 精准医学是一门精准的医学.
背景情况:
- 心力衰竭是一种异质综合征,死亡率高.
- 核磁共振光谱学允许高通量代谢学,使精确的表型化成为可能.
- 有针对性的代谢学可以识别风险分层的新生物标志物.
研究的目的:
- 通过使用目标代谢学来推导代谢风险评分 (MRS).
- 评估MRS提高心力衰竭患者死亡风险分层的能力.
- 将MRS与已确定的临床风险得分和生物标志物进行比较.
主要方法:
- 核磁共振光谱法用于测量来自1382名心力衰竭患者的血中的21种代谢物.
- 使用受罚的考克斯回归推导出一个MRS,并暂时验证.
- 评估了MRS和死亡率之间的关联,并根据慢性心力衰竭 (MAGGIC) 成绩和NT-proBNP水平进行了调整.
主要成果:
- 衍生的MRS包括9种代谢物.
- 一次SD增加的MRS与2.2倍增加的死亡率有关 (HR,2.2;95% CI,1.9-2.5).
- 根据综合歧视和净重新分类指数,MRS改善了超越MAGGIC评分和NT-proBNP的风险歧视.
结论:
- 发育的MRS与心力衰竭患者的死亡风险显著增加有关.
- 该MRS改善了死亡风险分层,超出了既定的临床风险得分和标记.
- 这种由代谢学衍生的得分为心力衰竭中精确表型的准确表型提供了有价值的工具.
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