Clinica Chimica Acta:在POC尿液药物测试杯中储存尿液样本可以降低许多药物的浓度

2019-12-21 MedSci MedSci原创

许多临床毒理学实验室在尿杯中接收尿标本,尿杯中装有即时医疗(POC)药物测试条。 我们进行了这项研究,以评估当尿液暴露于POC尿液药物测试杯中时,在临床毒理学实验室中对常用药物稳定性的影响。

许多临床毒理学实验室在尿杯中接收尿标本,尿杯中装有即时医疗(POC)药物测试条。 我们进行了这项研究,以评估当尿液暴露于POC尿液药物测试杯中时,在临床毒理学实验室中对常用药物稳定性的影响。

在环境温度和2–6°C的温度下暴露于POC尿液药物测试杯后,用经过验证的液相色谱质谱法(LCMS)测定的85种药物加标了无毒品尿液。定义 ≥20%的变化为药物浓度显著变化。

当将尿液样本在室温下放置在POC尿液药物检测杯中24小时后,阿米替林,环苯扎林,芬太尼,氟西汀,氟硝西epa,去甲替林,帕罗西汀和舍曲林的浓度会出现显著降低。 尿液在化学试纸中的存储降低了几种药物的浓度。 当加标尿液暴露于越来越多的POC尿液药物测试条中时,某些药物的浓度以剂量依赖的方式降低。可从POC尿液药物检测条吸收的药物检测条中部分提取出来。

研究表明,尿液标本暴露于POC尿液药物测试试纸后,LCMS法测定的几种药物浓度降低。

原始出处:

Mehran HaidariSravan MansaniStorage of urine specimens in point of care (POC) urine drug testing cups reduces concentrations of many drugs

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    2020-04-16 zhzhxiang
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    2020-10-11 windight
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