心力衰竭患者有改善的射出分数:来自MECKI得分数据库的见解
Piergiuseppe Agostoni1,2, Francesca Romana Pluchinotta3, Elisabetta Salvioni1
1Centro Cardiologico Monzino, IRCCS, Milan, Italy.
European journal of heart failure
|September 13, 2023
概括
心力衰竭患者改善了喷射分数 (HFimpEF) 显示出明显的临床特征和更好的运动能力,而不是那些持续减少喷射分数 (pHFrEF) 的患者. 虽然HFimpEF患者的预后更好,但他们仍然面临不良结果的风险.
科学领域:
- 心脏病学 心脏病学
- 心脏衰竭研究研究
- 临床的表型化 临床的表型化
背景情况:
- 改善左心室射出分数是心力衰竭 (HF) 治疗的关键目标.
- 关于改善喷射分数 (HFimpEF) 的HF患者的特征和预后的数据有限.
- 了解HFimpEF与持续减少的喷射分数 (pHFrEF) 的区别至关重要.
研究的目的:
- 为了确定与pHFrEF患者相比,HFimpEF患者是否表现出独特的临床表型,生物概况和预后.
- 分析两个高频组的临床,实验室,心声和运动数据.
主要方法:
- 从代谢炼心脏脏指数 (MECKI) 评分数据库中分析了7948名患者.
- 在HFimpEF (n=1504) 和pHFrEF (n=6017) 组之间对临床,实验室,心电图,心声学,运动和生存数据进行比较.
- 主要终点:心血管死亡,LVAD植入或紧急心脏移植的组合;中位数随访:1490天.
主要成果:
- HFimpEF患者表现出明显较低的HF严重性标志物,包括较高的射出分数 (44.0%vs29.7%),较低的BNP (122vs373ppg/ml) 和更好的峰值氧吸收 (62.2%vs52.6%预测).
- 心血管死亡率在HFimpEF (26.6每1000人年) 较低,而在pHFrEF (46.9每1000人年) 较低.
- 卡普兰-梅尔分析表明,HFimpEF的长期预后更好,尽管除了心声学参数以外的所有变量进行调整后,这种预后减少了.
结论:
- 心力衰竭改善排气分数 (HFimpEF) 患者代表了一个独特的群体,其特征反映了缩功能恢复.
- 尽管指标有所改善,但HFimpEF患者仍然容易发生不良心血管事件.
- 需要进一步的研究,以充分阐明HFimpEF的长期风险和管理策略.
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