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Clinical Skills
COVID-19 / 冠状病毒爆发:如何采取血液培养
COVID-19 / 冠状病毒爆发:如何采取血液培养
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Coronavirus / COVID-19 Procedures
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JoVE Science Education Coronavirus / COVID-19 Procedures
COVID-19 / Coronavirus Outbreak: How to take blood cultures

6.9: COVID-19 / 冠状病毒爆发:如何采取血液培养

10,341 Views
03:18 min
April 29, 2023
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Please note that some of the translations on this page are AI generated. Click here for the English version.

Overview

在大流行时期,医务人员正在成为对抗感染的关键资源。为了获得最佳的医疗服务,必须向医务人员传授相关的技术和程序,同时降低感染风险。血液培养在有效的抗感染治疗体系中起着关键作用。随着COVID-19患者在受损肺组织中产生细菌超感染,使用正确的技术获取血液培养样本和遵循抗感染治疗非常重要。此视频展示了所需的材料和正确的方法来获得血液培养。

Procedure

  1. 准备所需的材料:血液培养组,包括有氧、厌氧和真菌瓶(2-3套);20mL注射器;无菌针头;和消毒喷雾。
  2. 将注射器(每组一个)用24毫升的血液填充,最好在无菌条件下。
  3. 揭开瓶顶,用酒精消毒。等到瓶子干燥后再开始注射。
  4. 将8毫升的血液注入每个瓶子。为了减少污染,请按以下顺序进行:真菌、厌氧、有氧瓶。不应将空气注入瓶子中。对一套使用同一针。注射后混合瓶子。
  5. 对每组培养瓶重复注射。
  6. 给瓶子贴上标签,每个瓶子有一个标签。
  7. 将每套瓶子放在一个运输袋中。对于COVID-19患者,将运输袋标记为感染性,并送至微生物实验室。

Transcript

尊敬的同事们,为了获得适当的血培养,理想情况下,应使用两套血培养试剂盒。每套包括一瓶好氧和厌氧细菌和真菌。此外,还需要两个无菌针头和两个注射器。

这里使用的每个注射器都含有 24 毫升通过血管穿刺获得的无菌血液。每个瓶子注射 8 毫升血液。一个注射器就足够一套了。

彩色瓶盖可以丢弃。未覆盖的瓶盖是无菌的,不应触摸。瓶盖可以用含酒精的消毒剂消毒以确保无菌。

不应将空气注入血培养瓶中。重要的是,为了减少厌氧血培养瓶的污染,应将其填充为第二个。针头必须使用无菌技术连接到注射器上。

必须先装满真菌培养瓶。当针头穿透膜时,确保针头不直接接触消毒剂,因为存在所含血液被污染的风险,进而杀死任何病原体。真菌血培养瓶中装满了 8 毫升血液。

这瓶酒现在已经准备好了。厌氧血培养瓶现在必须使用与以前相同的程序进行填充。穿透膜并注入 8 毫升血液。

将瓶子扭动一次,使内容物充分混合,然后放在一侧。将最后 8 毫升血液注入需氧菌培养瓶中。第一组现已完成。

在准备和使用第二组时,相同的过程也适用。现在,适当标记血培养组很重要。一套完整的产品,然后是另一套。

涉及哪个瓶子?在这种情况下,好氧细菌瓶。然后是采样部位,在本例中为 Shaldon 导管。

每瓶需要一个标签,或总共六个标签。运输袋有标记。每组培养物都放在一个单独的运输袋中。

样品被包装并送到微生物实验室。对于 COVID-19 患者,运输袋应明确标记,以便所有同事都知道。谢谢。

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