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首页> 外文期刊>Diagnostic microbiology and infectious disease >Comparison of time to positivity of the VersaTREK? REDOX 80-mL and the REDOX EZ draw 40-mL blood culture bottles for common bacterial bloodstream pathogens
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Comparison of time to positivity of the VersaTREK? REDOX 80-mL and the REDOX EZ draw 40-mL blood culture bottles for common bacterial bloodstream pathogens

机译:VersaTREK的阳性反应时间比较? REDOX 80-mL和REDOX EZ抽取40-mL血液培养瓶用于常见细菌性血液病原体

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摘要

The VersaTREK ? microbial detection system offers 2 media formulations, an aerobic and an anaerobic bottle available in a 40-mL direct draw format and an 80-mL format. The 40-mL EZ Draw ? bottle can be inoculated with a maximum volume of 5 mL, while the REDOX 80-mL bottle accommodates a 10-mL volume. The effect of volume of blood inoculum on time to positivity (TTP) has not been clearly established with these bottle types. This study utilized simulated blood cultures seeded with clinically relevant microorganisms in human blood to evaluate the impact of inoculum volume and organism load on TTP for the 2 bottle types. For 13/15 organisms, the EZ Draw bottle flagged positive earlier than the REDOX 80-mL bottles. The lower volume of blood inoculum did not negatively impact TTP using the EZ Draw blood culture bottles as compared to REDOX 80-mL bottles.
机译:VersaTREK?微生物检测系统提供2种培养基配方:需氧瓶和厌氧瓶,分别以40毫升直接抽取形式和80毫升形式提供。 40毫升EZ Draw?最多可以接种5毫升的瓶子,而REDOX 80毫升的瓶子可以接种10毫升的瓶子。对于这些类型的瓶子,尚未明确确定血液接种量对阳性反应时间(TTP)的影响。这项研究利用在人类血液中植入临床相关微生物的模拟血液培养物来评估两种瓶型接种量和生物量对TTP的影响。对于13/15的生物,EZ Draw瓶比REDOX 80-mL瓶提前标记为阳性。与REDOX 80-mL瓶相比,使用EZ Draw血培养瓶的血液接种量较小,不会对TTP产生负面影响。

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