染色体和基于凝块的比瓦利鲁丁测试用于监测抗凝血
Prashant Raghavendran1, Benjamin F Tillman2, Allison P Wheeler3
1Division of Pediatric Hematology and Oncology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, United States.
The journal of applied laboratory medicine
|October 9, 2023
概括
与传统方法相比,对比瓦利鲁丁等直接血栓激素抑制剂 (DTI) 的新测定显示出与药物剂量有更好的相关性. 需要进一步的研究来将这些DTI监测测试与临床结果联系起来.
科学领域:
- 药理学 药理学是指药理学的学科.
- 临床化学 临床化学
- 血液学 血液学 血液学
背景情况:
- 直接血素抑制剂 (DTI) 的监测通常使用激活的部分血栓形成时间 (aPTT) 或激活的凝血时间 (ACT).
- 这些测定是复杂的,容易受到与DTI水平无关的各种因素的影响.
- 像稀释血时间 (dTT) 和染色体抗因子IIa测定等更简单的测定方法存在,但缺乏广泛的临床验证.
研究的目的:
- 评估染色体抗因子IIa和稀释血时间 (dTT) 试验的性能,以监测比瓦利鲁丁.
- 为了比较这些新测试与比瓦利鲁丁剂量与标准aPTT测试的相关性.
主要方法:
- 对于接受比瓦利鲁丁的患者的医疗记录的回顾性审查.
- 使用染色体抗IIa和dTT测定分析血样本.
- 测定结果与比瓦利鲁丁剂量和aPTT测量的比较.
主要成果:
- 在aPTT和染色体 (斯皮尔曼0.55) 和dTT (斯皮尔曼0.62) 测定之间观察到的相关性很差.
- 染色体和dTT测定显示了彼此之间强烈的相关性 (斯皮尔曼0.92).
- 染色体 (斯皮尔曼0.51) 和dTT (斯皮尔曼0.63) 的测定与aPTT (斯皮尔曼0.22) 相比,与比瓦利鲁丁剂量相关性更好.
结论:
- 在aPTT和特定的比瓦利鲁丁试验之间存在显著的差异.
- 染色体和dTT测定表明反映比瓦利鲁丁剂量的可靠性有所提高.
- 需要进一步的研究来确定这些试验的临床效用和结果相关性.
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