基于EDTA的导管锁溶液对PICC中血液丢弃量的影响
Daniel Rajdl1, Klára Kabátová Maxová2, Jana Chovancová2
1Department of Clinical Biochemistry and Hematology, University Hospital Pilsen and Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic.
The journal of vascular access
|December 15, 2025
概括
在外围插入的中央导管 (PICC) 中使用EDTA锁液后丢弃1毫升血液似乎足以进行可靠的实验室测试. 这一发现支持当前的做法,但需要在更大的研究中进行验证.
科学领域:
- 临床化学 临床化学
- 实验室医学 实验室医学
- 血管接入装置 血管接入装置
背景情况:
- 血管接入装置 (VAD) 对于血液采样至关重要,但最优的丢弃量,特别是使用EDTA锁定解决方案,尚未得到充分确立.
- 在VAD中使用基于EDTA的锁定解决方案可能会影响实验室测试结果,如果丢弃量不足.
研究的目的:
- 为了确定在PICC中使用4%四EDTA导管锁溶液 (KitelockTM) 后丢弃1毫升血液是否足以进行可靠的实验室测试.
- 评估1毫升废弃体积对各种血液分析物的影响.
主要方法:
- 这是一项前性研究,涉及10名患有单PICC的患者.
- 在冲洗和丢弃1毫升后采集了血液样本,连续5个管子分析了生物化学,血液学和凝血.
- 统计分析包括布兰德-阿尔特曼图谱,临床可接受间隔 (CAI),ICC和CCC,以与参考管进行比较.
主要成果:
- 一个1毫升的废弃体积证明了大多数分析物的可靠结果,在CAI内10/10比较尿素,,,,,,,性酸酶,红细胞,血红素,MCV,白细胞和血栓时间.
- 其他分析物如总蛋白质,白蛋白,化物,血红蛋白,血栓细胞,APTT,前列血时间和纤维素素在CAI中显示了9/10的比较.
- 肌素的结果显示,在CAI内进行了8/10的比较.
结论:
- 在本研究队列中的PICC中使用KitelockTM (4%四EDTA) 后,丢弃1毫升血液似乎足以进行可靠的实验室测试.
- 建议对更大的患者群体进行进一步验证,以证实这些发现.
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