心脏再同步治疗与高级ATTR-CM患者的生存率改善有关,尽管疾病严重程度较高
Jingwen Huang1, Matthew T Brown1, Kuo Zhang2
1Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia.
The American journal of cardiology
|March 1, 2026
概括
在Transthyretin心肌粉症 (ATTR-CM) 患者的右上心室节奏 (RVP) 显著增加心力衰竭 (HF) 再住院和死亡率. 心脏再同步疗法 (CRT) 可能为高节奏需求的ATTR-CM患者提供更好的生存期.
科学领域:
- 心脏病学 心脏病学
- 电力生理学 电力生理学
- 氨基粉症研究研究
背景情况:
- 常见的Transthyretin心脏粉症 (ATTR-CM) 通常需要心脏节拍装置.
- 了解右心室节奏 (RVP) 负担的影响对于管理ATTR-CM患者至关重要.
研究的目的:
- 为了描述ATTR-CM患者的RVP负担.
- 评估RVP对左心室喷射率 (LVEF),心力衰竭 (HF) 再住院和生存的影响.
主要方法:
- 对105名ATTR-CM患者 (2012-2022) 的回顾性图表审查.
- 患者分为低RVP (<40%),高RVP (≥40%) 和心脏再同步治疗 (CRT) 组.
- 用于生存率和HF再住院分析的细灰模型和发病率比率 (IRR),经过对临床因素进行调整.
主要成果:
- 与低RVP相比,高RVP组显示出明显增加的HF再住院 (IRR 5.76) 和更差的生存率 (HR 6.24).
- CRT显示比高RVP (HR3.03) 更好的生存率,但与低RVP相似.
- 独立的死亡率预测因素包括先进的国家粉样性粉症中心 (NAC) 阶段,心房动和较低的初始LVEF.
结论:
- 高RVP负担与ATTR-CM.的较差结果有关.
- 前期CRT植入可能会改善ATTR-CM患者的存活率,这些患者的节奏要求很高,疾病已晚 (NAC II/III).
- 需要进一步的研究来证实CRT在这个人群中的好处.
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