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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

COVID-19 / コロナウイルスの流行: 血液培養の取り方

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Overview

パンデミックの時代には、医療スタッフが感染と戦う上で重要なリソースになりつつあります。最高の医療を達成するためには、感染のリスクを減らしながら、関連する技術と手順を医療スタッフに教える必要があります。血液培養は、効果的な抗感染療法体制において重要な役割を果たす。COVID-19患者が損傷した肺組織で細菌の超感染を発症するに従って、血液培養サンプルを得るための正しい技術を用いて、抗感染療法に従うことが重要である。このビデオは、血液培養を取得するために必要な材料と正しい方法を示しています。

Procedure

必要な材料を準備する:好気性、嫌気性、および真菌ボトル(2-3セット)からなる血液培養セット。20mLの注射器;無菌針;消毒スプレー。 注射器(1セットにつき1本)を24mLの血液で満たし、好ましくは無菌状態で充填する。 ボトルトップを明らかにし、アルコールでそれらを消毒します。注射を開始する前に、ボトルが乾燥するまで待ちます. 各ボトルに8mLの血液を注入します。汚染を減らすために、真菌、嫌気性、そして好気性のボトルの順序でそうしなさい。ボトルに空気を注入しないでください。1つのセットに同じ針を使用してください。注射後にボトルを混ぜます。 培養ボトルのセットごとに注入を繰り返します。 ボトルにラベルを付け、ボトルごとに1つのラベルを付けます。 ボトルの各セットを輸送バッグに入れます。COVID-19患者の場合、輸送袋を感染性としてマークし、微生物学研究所に送ります。

Disclosures

No conflicts of interest declared.

Transcript

Dear colleagues, in order to obtain appropriate blood cultures, ideally, two blood culture sets should be utilized. Each set consists of a bottle of aerobic and anaerobic bacteria and fungus. Additionally, two sterile needles and two syringes will be required.

Each of the syringes used here contains 24 milliliters of sterile blood obtained by vascular puncture. 8 milliliters of blood are injected into each bottle. One syringe is sufficient for a set.

The colored bottle top caps can be disposed of. The uncovered bottle top is sterile and should not be touched. The bottle tops may be disinfected with alcohol-containing disinfectant to ensure sterility.

No air should be injected into the blood culture bottles. Importantly, in order to reduce contamination of the anaerobic blood culture bottle, this should be filled as second. The needle must be attached to the syringe using aseptic technique.

The fungus culture bottle must be filled first. When the needle penetrates the membrane, ensure that the needle does not have direct contact with the disinfectant as there is a risk that the contained blood could be contaminated, in turn, killing any pathogens. The fungus blood culture bottle is filled with 8 milliliters of blood.

This bottle is now prepared. The anaerobic blood culture bottle must now be filled using the same procedure as before. The membrane is penetrated and 8 milliliters of blood injected.

The bottle is twisted once so that the contents are adequately mixed, and then placed to one side. The final 8 milliliters of blood are injected into the aerobic bacteria culture bottle. The first set is now complete.

The same procedure applies when preparing and utilizing the second set. Now it is important to label the sets of blood cultures appropriately. One complete set followed by the next.

Which bottle is involved? In this case, the aerobic bacteria bottle. Then the sample site, in this case, a Shaldon catheter.

One label per bottle is required, or a total of six labels. The transport bag is marked. Each set of cultures is placed in an individual transport bag.

The samples are packed and sent on to the microbiology laboratory. With COVID-19 patients, the transport bags should be marked explicitly so as to make all colleagues aware. Thank you very much.

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Cite This
JoVE Science Education Database. JoVE Science Education. COVID-19 / Coronavirus Outbreak: How to take blood cultures. JoVE, Cambridge, MA, (2020).