心率校正的缩喷射时间:基于人群的参考值和急性心力衰竭的差异性预后效用
Caroline Morbach1,2, Isabelle Simon1, Elisabeth Danner1
1Department Clinical Research and Epidemiology, Comprehensive Heart Failure Center, University Hospital Würzburg, Am Schwarzenberg 15, 97078 Würzburg, Germany.
European heart journal. Imaging methods and practice
|July 24, 2024
概括
对心率 (SETc) 索引的缩喷射时间显示了心力衰竭 (HF) 的预后值. 在降低EF (HFrEF) 和保留EF (HFpEF) 的HF中,SETc变化预测结果不同,这表明个性化HF治疗.
科学领域:
- 心脏病学 心脏病学
- 心脏衰竭病理生理学 病理生理学
- 临床预后 临床预后
背景情况:
- 系统性喷射时间 (SET) 是心力衰竭 (HF) 的潜在治疗点,心脏左心室喷射率 (LVEF) 减少.
- 心率校正对于准确的SET评估至关重要,导致SET指数为心率 (SETc) 的导出.
- 了解SETc在去补偿性HF的预后效用对于完善治疗策略至关重要.
研究的目的:
- 在一般人群中获得SETc的参考值,考虑年龄和性别.
- 调查SETc在急性不补偿性心力衰竭住院患者的预后意义.
- 探索不同HF表型 (HFrEF,HFmrEF,HFpEF) 的不同SETc值和预后影响.
主要方法:
- 在基于人口的STAAB研究中,使用4836名参与者的数据来确定SETc参考值.
- 在入院时测量了134名急性HF入院患者的SETc.
- 使用比例危险回归模型来评估住院SETc变化与患者结果之间的关联.
主要成果:
- 在一般人群中,SETc随着年龄的增长而增加,男性比女性更短,与动脉弹性相关.
- 与普通人群相比,患有HF的患者表现出较低的SETc,HFrEF显著减少,HFpEF减少较轻.
- 医院内SETc的增加预测了HFrEF (HR 0.38) 的有利结果,但HFpEF (HR 2.39) 的不利结果.
结论:
- 在HF患者,特别是HFrEF患者中,SETc降低,其预后影响因HF表型而异.
- 医院内SETc的变化可以预测HF的临床结果,对HFrEF和HFpEF观察到相反的趋势.
- 这些发现支持心脏缩功能和风险之间的U形关系,倡导个性化HF治疗方法.
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