亚皮克萨班与左心室功能障碍的复发性中风风险:ARCADIA试验的二次分析
Richa Sharma1, Dinesh Jillella2, Cenai Zhang3
1Department of Neurology, Yale School of Medicine, New Haven, CT (R.S.).
Stroke
|September 2, 2025
概括
与阿司匹林相比,阿皮克萨班显著降低了左心室 (LV) 缩功能障碍患者的复发性中风风险. 这一发现对于该组患者的二次中风预防策略至关重要.
科学领域:
- 心脏病学
- 神经学
- 药理学
背景情况:
- 关于左心室 (LV) 系统功能障碍,中风复发和二次中风预防的最佳抗血栓治疗之间的联系存在不确定性.
- 左心室缩功能障碍是中风的潜在危险因素,需要专门的预防策略.
研究的目的:
- 研究 LV 系统功能障碍与复发性缺血性中风风险之间的关联.
- 为了比较阿皮克萨班与阿司匹林在预防复发性缺血性中风的疗效.
主要方法:
- 对ARCADIA随机试验数据进行后期分析.
- 基于心声学参数的静脉缩功能障碍的定义 (静脉缩率<25%,静脉射率<50%或静脉壁运动异常).
- 考克斯比例危险模型用于评估中风风险和治疗效果.
主要成果:
- 17. 1% 的患者 (165/964) 呈现 LV 系统功能障碍.
- 在同变量调整后, LV 系统功能障碍与中风复发风险没有显著关联 (HR,1. 3; 95% CI,0. 7- 2. 4).
- 与阿司匹林相比,阿皮克萨班显著降低了复发性缺血性中风的风险 (HR,0. 24;95% CI,0. 07- 0. 87;Pinteraction=0. 028).
结论:
- 在患有 LV 系统功能障碍的患者中,阿皮克萨班在预防复发性缺血性中风方面表现出比阿司匹林更高的疗效.
- 这些发现表明,在中风患者中,基于LV系统功能进行个性化的抗血栓治疗.
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