量化与安德克萨内特阿尔法对抗后的剩余里瓦罗克萨班血度:在常规临床实践中,这是一个困难的任务
Alexander Mair1, Gilles Huber2, Jan-Dirk Studt3
1Institute of Anesthesiology, University Hospital Zurich, Zurich, Switzerland.
Hamostaseologie
|March 11, 2024
概括
里瓦罗克萨班与安德克萨内特阿尔法的逆转可能不可靠,因为标准测试未能反映药物水平. 粘弹性测试可以更好地表明逆转疗效,强调需要改进的监测方法.
科学领域:
- 心脏病学 心脏病学
- 血液学 血液学 血液学
- 胃肠病学 胃肠病学
背景情况:
- 门静脉血栓塞 (PVT) 是一种严重的疾病,通常需要抗凝药.
- 跨内肝移植系统分流 (TIPS) 程序用于管理PVT的并发症.
- 里瓦罗克萨班是一种直接的口服抗凝剂,向Xa因子 (抗Xa).
研究的目的:
- 报告一个持续高水平的里瓦罗克萨班病例,尽管安德克萨内特阿尔法逆转.
- 评估标准实验室测试在监测里瓦洛克萨班逆转中的可靠性.
- 探索评估安德克萨尼特阿尔法功效的替代方法.
主要方法:
- 一个患有PVT的患者接受TIPS的病例报告.
- 用安德克萨尼特阿尔法和纳米颗粒剂进行脏出血的治疗.
- 使用标准抗Xa活性测定和高性能液态染色学 (HPLC) 评估里瓦罗克萨班水平.
- 对粘性弹性测试 (例如,血栓弹性扫描) 的评估,以监测抗凝的逆转.
主要成果:
- 患者在里瓦洛克萨班治疗期间出现了脏出血,需要紧急用安德克萨内特阿尔法进行逆转.
- 标准的抗Xa测定和HPLC显示在逆转后里瓦罗克萨班水平持续高.
- 粘弹性测试表明抗凝剂的有效逆转.
- 这些发现表明当前测试在反映 andexanet alfa 的作用方面存在局限性.
结论:
- 标准的抗Xa活性测定和HPLC可能无法用于监测安德克萨尼阿尔法对里瓦罗克萨班的逆转.
- 粘弹性测试可以更准确地评估抗凝药逆转效果.
- 在临床实践中,开发修改的抗Xa试验对于有效监测安德克萨尼特αα逆转至关重要.
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