Vitek 2 系统软件版本 5.03 在细菌鉴定和药敏试验中的性能：革兰阳性球菌临床和参考菌株的评估研究。
Performance of the Vitek 2 system software version 5.03 in the bacterial identification and antimicrobial susceptibility test: evaluation study of clinical and reference strains of Gram-positive cocci.
机构信息
Laboratório de Cocos Gram-Positivos, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, RS, Brazil.
出版信息
Rev Soc Bras Med Trop. 2014 May-Jun;47(3):377-81. doi: 10.1590/0037-8682-0123-2013.
INTRODUCTION
The genera Enterococcus, Staphylococcus and Streptococcus are recognized as important Gram-positive human pathogens. The aim of this study was to evaluate the performance of Vitek 2 in identifying Gram-positive cocci and their antimicrobial susceptibilities.
METHODS
One hundred four isolates were analyzed to determine the accuracy of the automated system for identifying the bacteria and their susceptibility to oxacillin and vancomycin.
RESULTS
The system correctly identified 77.9% and 97.1% of the isolates at the species and genus levels, respectively. Additionally, 81.8% of the Vitek 2 results agreed with the known antimicrobial susceptibility profiles.
CONCLUSION
Vitek 2 correctly identified the commonly isolated strains; however, the limitations of the method may lead to ambiguous findings.
简介
肠球菌属、葡萄球菌属和链球菌属被认为是重要的革兰阳性人体病原体。本研究旨在评估 Vitek 2 鉴定革兰阳性球菌及其抗菌药物敏感性的性能。
方法
分析了 104 株分离株，以确定自动系统鉴定细菌及其对苯唑西林和万古霉素敏感性的准确性。
结果
该系统分别在种和属水平上正确鉴定了 77.9%和 97.1%的分离株。此外，81.8%的 Vitek 2 结果与已知的抗菌药物敏感性谱一致。
结论
Vitek 2 正确鉴定了常见的分离株；然而，该方法的局限性可能导致结果不明确。
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