长期随访的Takotsubo患者的静血系统:一个隐藏的激活?
Patrizia Amadio1, Benedetta Porro1, Viviana Cavalca1
1Centro Cardiologico Monzino I.R.C.C.S., Milan, Italy.
International journal of cardiology
|August 1, 2023
概括
塔科茨博心肌病 (TTS) 患者表现出长期的静血系统激活,包括持续的血小板激活,这表明需要量身定制的抗血小板治疗来预防复发事件和不良结果.
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:
- 越来越多的人认识到,塔科茨布心肌病 (TTS) 有长期不良后果,尽管历史上被认为是良性的.
- 病理生理学仍然不清楚,有持续的内皮损伤,高粘度和血小板激活.
- 这项研究调查了急性TTS事件多年后持续的静血系统变化.
研究的目的:
- 为了探索Takotsubo心肌病患者的静血系统的长期变化.
- 为了比较TTS患者的静脉造血形状与冠状动脉疾病 (CAD) 患者和健康对照者的血液造血形状.
- 确定可能导致TTS复发和不良结果的潜在机制.
主要方法:
- 在TTS (n=23),CAD (n=31) 和对照组 (n=26) 的女性中评估的静血参数,事件发生后的中位数为3.1年.
- 采用了血栓显微镜,PT,aPTT,微粒子组织因子 (MP-TF) 测定,克劳斯功能性纤维素原,纤维素聚合,聚合学,PAI-1和BDNF测量.
- 评估血小板反应和凝血标记,以确定持续的异常.
主要成果:
- 与对照组相比,TTS患者表现出加速的血栓形成,更高的纤维素聚合,以及增加的PAI-1.
- 与CAD患者相比,TTS患者表现出持续的血小板激活,但功能性纤维素原,纤维素聚合和MP-TF的减少.
- 与CAD患者相比,TTS患者呈现了长时间的aPTT和显著增加的BDNF水平.
结论:
- 在TTS患者中长期的静血系统激活表明与复发风险相关的持续性幽默异常.
- 在TTS中持续的血小板活性需要进一步研究TTS特异性抗血小板策略.
- 这些发现突出了潜在的治疗目标,以减轻Takotsubo心肌病的不良结果.
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