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使用患者和对照样本进行的2种血栓结晶学方法的比较.

Robert Frick1, Brittany Washburn2, Dennis Plocher2

  • 1Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, Missouri, USA.

Research and practice in thrombosis and haemostasis
|May 8, 2025
PubMed
概括

在粘弹性测试中,ROTEM的SIGMA和DELTA设备表现相似. 然而,西格玛装置在特定测试中表现出较低的外推临床决策点,这表明治疗算法的解释可能存在差异.

关键词:
血液产品的使用方法 血液产品的利用方法凝血是凝固的过程.方法比较方法比较血小板结晶测量 (Thromboelastometry) 是一种对血小板的测量方法.输血是输血的方法之一.

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科学领域:

  • 血液静止和血栓形成研究.
  • 护理点诊断的诊断方法
  • 医疗器械比较 医疗器械比较

背景情况:

  • 护理点粘弹性测试有助于减少血液流失和输血.
  • 基于弹的ROTEM sigma系统旨在提高护理点的使用.
  • 有限的研究将ROTEM西格玛与已确定的ROTEM三角形进行比较.

研究的目的:

  • 为了比较ROTEM西格玛系统与ROTEM三角形系统的性能.
  • 评估两种ROTEM设备获得的结果的可比性.

主要方法:

  • 使用ROTEM delta作为预言的方法比较研究.
  • 分析了来自健康捐赠者和手术患者 (肝移植,产科,心血管,创伤) 的血液样本.
  • 对两种设备的不精确度和制造商参考间隔进行了评估.

主要成果:

  • 在大多数参数中,ROTEM delta 和 sigma 之间的高相关性 (Pearson r > .85).
  • 对于FIBTEM A10,FIBTEM A20和EXTEM凝固时间的相关性略低.
  • 可以比较的参考间隔和达指导算法值没有显著差异.
  • 对 EXTEM 和 FIBTEM 的 sigma 的外推 A5 参数观察到负偏差.

结论:

  • 罗德尔塔和西格玛显示了可比的整体性能.
  • 西格玛系统在特定测试 (FIBTEM,EXTEM A5) 中显示出负偏差,影响临床决策点.
  • 在将三角形指导算法应用于西格玛数据时,外推值的潜在差异需要仔细考虑.