与心力衰竭患者缩功能改善相关的参数
Liv Borum Schöps1,2,3, Morten Sengeløv4,2, Daniel Modin4,2
1Department of Cardiology, Herlev and Gentofte Hospital, Hellerup, Denmark liv.schoeps@hotmail.com.
Heart (British Cardiac Society)
|July 9, 2023
概括
大多数心力衰竭患者在治疗后心功能得到改善. 关键的心声回声测量和较少的伴随性疾病,如糖尿病,预测了更好的左心室喷射率 (LVEF) 改善和较低的死亡风险.
科学领域:
- 心脏病学 心脏病学
- 心脏衰竭研究研究
- 心声回声图 (Echocardiography) 是一种心声回声图.
背景情况:
- 减少喷射分数 (HFrEF) 的心力衰竭影响全球数百万人.
- 改善缩功能是HFrEF的关键治疗目标.
- 识别系统功能改善的预测因素可以优化患者管理.
研究的目的:
- 在HFrEF门诊患者中确定与改善缩功能相关的临床和心声学参数.
- 探索左心室喷射率 (LVEF) 改善和死亡率之间的关系.
主要方法:
- 来自Gentofte医院的686名HFrEF患者的心声回顾分析.
- 线性回归用于评估与LVEF改善相关的参数.
- 考克斯回归分析了与LVEF改善相关的生存时间.
主要成果:
- 81.5%的患者表现出缩功能改善 (Δ LVEF>0%);14.6%的患者表现出超级反应 (Δ LVEF>20%).
- LVEF的改善与更好的全球纵向应变,更高的三环状平面缩外流,更小的LV尺寸,更低的E/A比率,更高的心率以及缺血性心肌病和糖尿病的不存在有关.
- 较高的LVEF改善与显著降低的死亡风险相关.
结论:
- 大多数HFrEF门诊患者在治疗后经历了缩功能改善.
- 心声测量和并发症独立预测LVEF的改善.
- 更大的LVEF改善与死亡率降低有显著联系.
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