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IJLH:在实验室中使用毛细管标本来验证国际标准化比率:在儿科环境中避免静脉穿刺

2019-06-02 不详 网络

在实验室中确认的高于机构截止值的POC国际归一化比值(INR),但这在儿科环境中是有问题的。 在这项研究中,研究人员对449个连续的POC INR结果与实验室中从同一根手指上采集的柠檬酸毛细管标本的INR结果进行了比较,并对结果进行统计学分析。 CoaguChek XS和实验室的平均INR值分别为2.85±1.19和2.63±1.11。r = 0.97,两种方法之间存在较好的相关性。B

在实验室中确认的高于机构截止值的POC国际归一化比值(INR),但这在儿科环境中是有问题的。

在这项研究中,研究人员对449个连续的POC INR结果与实验室中从同一根手指上采集的柠檬酸毛细管标本的INR结果进行了比较,并对结果进行统计学分析。

CoaguChek XS和实验室的平均INR值分别为2.85±1.192.63±1.11r = 0.97,两种方法之间存在较好的相关性。Bland-Altman分析表明,偏向于CoaguChek XS的偏差为0.22,95%的一致性限为- 0.290.72。通过与Bablok法比较,得到斜率为0.91 (y = 0.91x + 0.02)。在89%的病例中,在方法之间发现≤0.5INR,并且注意到一致性84%(κ= 0.69)。

将毛细管INR实验结果与涉及静脉标本的研究结果进行比较,毛细管标本的表现与静脉标本相当。因此,可以从执行POC INR的同一根手指上采集枸橼酸毛细样品,并在实验室中进行验证。这避免了在这种情况下静脉收集的创伤。

原始出处:

Vaughan K. Williams,Use of a capillary specimen in the laboratory to verify a pointofcare international normalized ratio: Avoidance of a venipuncture in a pediatric setting

本文系梅斯医学(MedSci)原创编译整理,转载需授权!


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    2019-11-18 fusion
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    2019-06-04 rgjl
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