将CHROMagar定向介质与尿路感染培养中的传统方法进行比较
Clinical laboratory
|February 12, 2024
概括
CHROMagar Orientation Medium为识别尿路感染病原体提供了一个具有成本效益和效率的替代方案. 这种方法可以减少工作量和成本,而不是传统的血液/胺甲基蓝介质.
科学领域:
- 临床微生物学 临床微生物学
- 诊断细菌学 诊断细菌学
- 医学实验室科学 医学实验室科学
背景情况:
- 尿路感染 (UTI) 非常普遍,使尿培养成为微生物学实验室的重要时间和成本因素.
- 有效和经济的尿样评估方法对于实验室操作至关重要.
- 本研究评估了CHROMagar导向介质 (CO介质) 与传统血液 (BA) 和乙烯蓝 (EMB) 介质的兼容性和成本效益.
研究的目的:
- 评估CO Medium与尿样中微生物识别标准方法的兼容性.
- 为了比较CO Medium与BA/EMB介质的成本效益,用于尿液培养.
- 为了确定CO Medium在减少实验室工作量方面的效率.
主要方法:
- 700个连续的尿样同时被注射到BA/EMB和CO中等.
- 在37°C进行化,持续18-24小时.
- 使用VITEK 2系统,格拉姆染色,生物化学测试和鉴定套件来评估兼容性.
主要成果:
- CO Medium证明了与VITEK 2系统的100%兼容性,用于推定识别.
- 在CO Medium上对大肠杆菌的鉴定显示了100%的兼容性.
- BA/EMB介质的相容率较低 (例如,大肠杆菌的69.3%).
- CO Medium每700种尿液培养节省了182欧元,估计每年节省15600欧元.
结论:
- 由于其成本效益和工作量减少,CHROMagar Orientation Medium是一种可行的常规方法.
- CO Medium简化了识别,不需要额外的步骤或专门的基础设施.
- 对于容量有限的实验室或商业套件供应链问题特别有利.
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