系统性血红素生成与患心力衰竭风险的关联
Jeffrey J Rade1, Shari S Kronsberg2, Thomas S Kickler3
1Division of Cardiovascular Medicine, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA.
Journal of the American College of Cardiology
|January 8, 2025
概括
在没有先前HF病史的个体中,尿中血栓素B2代谢物 (TXB2-M) 的升高信号增加了心力衰竭 (HF) 风险. 这种生物标志物可以帮助识别那些需要主动预防策略的人.
科学领域:
- 心脏病学 心脏病学
- 生物标志物 生物标志物
- 心脏衰竭研究研究
背景情况:
- 通过尿路血栓素B2代谢物 (TXB2-M) 评估的全身血栓素A2生成与使用阿司匹林 (ASA) 的心力衰竭 (HF) 患者的心脏功能不良和死亡率有关.
- 对于TXB2-M在没有HF病史且左心室功能正常的个体中HF发展中的作用尚不清楚.
研究的目的:
- 调查尿液TXB2-M水平与患高血压风险之间的关联.
- 为了评估这种关联,无论阿司匹林 (ASA) 在被保留左心室喷射分数 (LVEF) 的个体中使用.
主要方法:
- 在2,611名弗雷明汉心脏研究参与者中,测量和调整尿度和功能 (TXB2-M_GFR) 的尿液TXB2-M.
- 参与者以前没有HF病史,LVEF≥55%. 考克斯回归模拟了TXB2-M_GFR与HF风险的关联,平均随访时间为14.8年.
主要成果:
- 189名参与者 (7.2%) 患有心力衰竭 (HF),包括保存LVEF的HF和减少LVEF亚型的HF.
- 较高的TXB2-M_GFR水平与患上HF的风险增加显著相关 (HR:1.81;P < 0.0001),包括两种HF亚型.
- 无论是ASA使用还是血P-选择因水平,都无法独立预测HF风险.
结论:
- 尿道TXB2-M_GFR是HF风险的重要预测因素,独立于传统的风险因素.
- 尿液TXB2-M_GFR可能作为一种新的生物标志物,用于识别患高风险肺炎的个体.
- 这种生物标志物可以指导高风险人群的积极初级预防策略.
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