血小板计数和心力衰竭的预后与轻微减少的射出分数:来自大型注册表的结果
Jonas Dudda1, Michael Behnes1, Kathrin Weidner1
1Department of Cardiology, Angiology, Haemostaseology and Medical Intensive Care, University Medical Centre Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.
International journal of cardiology
|December 11, 2025
概括
低血小板数量 (<50/nL和50-100/nL) 在患有轻度减小喷射率 (HFmrEF) 的心力衰竭住院的患者中与30个月全因死亡率的风险更高有关. 较高的血小板计数与死亡率没有显著关联.
科学领域:
- 心脏病学 心脏病学
- 血液学 血液学 血液学
- 内部医学 内部医学
背景情况:
- 血小板通过前血栓和前炎症机制与心力衰竭 (HF) 病原发生有关.
- 心脏衰竭中血小板数的预后意义与轻微减少的喷射分数 (HFmrEF) 仍未得到充分研究.
研究的目的:
- 在被诊断为HFmrEF的住院患者中调查基线血小板计数的预后价值.
- 为了确定不同血小板计数水平与死亡率或再住院风险之间的关联.
主要方法:
- 在2016-2022年期间连续住院的2151名HFmrEF患者 (LVEF 41-49%) 的回顾性分析.
- 患者根据基线血小板计数进行分类:<50/nL,50-<100/nL,100-<450/nL (参考) 和>450/nL.
- 主要终点:30个月全因死亡率;次要终点:30个月高频率相关再住院.
主要成果:
- 基线血小板数 <50/nL (HR 3.487) 和 50-<100/nL (HR 1.565) 独立地与30个月全因死亡率的增加有关.
- 较高的血小板计数 (>450/nL) 与死亡率没有显著关联 (HR 1.140).
- 在血小板计数和与高血压相关的再住院风险之间没有发现显著的关联.
结论:
- 在住院的HFmrEF患者中,低基线血小板计数 (<50/nL和50-<100/nL) 是增加30个月全因死亡率的独立预测因素.
- 血小板计数可以作为HFmrEF管理中的预后生物标志物.
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