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周围动脉疾病的低功能能力与血小板活性增加和心血管事件有关
Sean P Heffron1, Matt Muller2, Yuhe Xia3
1Leon H. Charney Division of Cardiology, NYU Grossman School of Medicine, New York, NY, USA; NYU Center for the Prevention of Cardiovascular Disease, NYU Grossman School of Medicine, New York, NY, USA.
Atherosclerosis
|May 2, 2025
概括
经过再血管化治疗的外周动脉疾病患者的功能能力低下与更高的心血管事件有关. 血小板聚合的增加部分解释了这种风险,这表明身体活动可能会改善结果.
科学领域:
- 心血管医学 心血管医学
- 血管外科 血管外科
- 运动生理学 运动生理学
背景情况:
- 低功能能力是心血管事件的重要独立风险因素.
- 身体活动可以通过减少炎症和血小板活动来减轻心血管风险.
- 接受下肢再血管化 (LER) 的外周动脉疾病 (PAD) 患者有很高的不良事件风险.
研究的目的:
- 通过杜克活动状态指数 (DASI) 评估的功能能力与血小板活动之间的关联.
- 确定DASI,血小板活动和主要心血管和四肢不良事件 (MACLE) 之间的关系,在接受LER的PAD患者中.
主要方法:
- 使用杜克活动状态指数 (DASI) 测量功能能力.
- 在下肢再血管化 (LER) 之前进行了血小板聚合和RNA测序.
- 患者被分为DASI分数三级,并使用日志等级测试和中介分析分析了MACLE发病率.
主要成果:
- 在最低的DASI tertile (表明功能能力较低) 中的患者经历了显著更高的MACLE.
- 在最低的DASI三位数中,较高的血小板聚合到上腺素中介于增加MACLE风险的24.7%.
- 血小板RNA测序揭示了在最久坐的个体 (最低的DASI三位数) 中升调的炎症途径.
结论:
- 在接受LER的PAD患者中,功能能力低下与血小板活性增加和MACLE的高发病率有关.
- 血小板聚合升高似乎调解了在功能能力低下的患者中,MACLE风险的很大一部分.
- 这些发现支持一种潜在的血小板介导机制,通过这种机制,身体活动可以改善心血管结果.
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