通过阿皮克萨班治疗解决上升性大动脉和肺静脉血栓:一个案例研究
1Internal Medicine (Cardiology), Takeuchi Naika Clinic, Ogachi-Gun, JPN.
Cureus
|September 17, 2025
概括
可能源于肺静脉的上升性大动脉血栓,通过降低剂量的阿皮克萨班部分解决. 然而,较低剂量不足以防止血栓再生,表明剂量依赖的效果.
科学领域:
- 心脏病学 心脏病学
- 血管医学 血管医学
- 血栓形成研究研究
背景情况:
- 急性缺血性中风 (AIS) 患者的慢性血栓暗示了先前存在的血块形成.
- 左心房附属体 (LAA) 血栓被涉及,但其他位置的血栓,如上升性大动脉 (AAo) 也被调查.
- 肺静脉血栓 (PVTs) 被确定为导致AIS和心肌梗塞的血栓栓塞的来源.
研究的目的:
- 调查上升性大动脉 (AAo) 血栓及其对阿皮克萨班的反应.
- 探索右上肺静脉 (RUPV) 血栓和AAo血栓之间的潜在联系.
- 评估降低阿皮克萨班剂量的有效性,以控制AAo血.
主要方法:
- 一名73岁的男性高血压患者接受了心脏计算机断层扫描 (CT) 和透食管心声扫描 (TEE).
- 使用TEE可视化和描述AAo血栓和潜在的PVTs.
- 该患者接受了减少剂量阿皮克萨班 (2.5毫克每天两次) 的治疗.
主要成果:
- 经食道心声学 (TEE) 揭示了上升性大动脉 (AAo) 中的白色血栓,通过线状血栓与右上肺静脉 (RUPV) 连接.
- 降低阿皮克萨班剂量 (每天两次2.5毫克) 导致AAo血栓的部分解决.
- 进一步降低阿皮克萨班剂量 (每天服用2.5毫克一次) 在防止血栓再生方面无效.
结论:
- TEE证明了RUPV血栓和AAo血栓之间的联系,由线状血栓介导.
- 阿皮克萨班治疗部分解决了这些血栓,有效性取决于剂量.
- 这些发现表明,肺静脉与上升性大动脉血栓之间存在潜在的联系,可以用阿皮克萨班治疗,但需要适当的剂量来预防复发.
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