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在临床实践中进行抗生素敏感性测试的新选择:基于微稀释方法的AutoMic-i600自动系统的性能评估

Chenyao Lin¹, Hui Zhang², Qiaoping Wu¹

¹Department of Clinical Laboratory, The Affiliated LiHuiLi Hospital of Ningbo University, Ningbo, People's Republic of China.

Infection and drug resistance

|February 4, 2025

概括

AutoMic-i600系统在抗菌素敏感性测试 (AST) 中显示出高精度,在抗药性细菌方面表现优于Vitek 2. 这种新的解决方案为临床环境中的常见和新型抗生素提供了可靠的结果.

科学领域:

临床微生物学临床微生物学
传染性疾病传染性疾病
诊断技术诊断技术的使用

背景情况:

准确的抗微生物敏感性测试 (AST) 对于对抗多药耐药细菌至关重要.
汁微稀释 (BMD) 是AST的黄金标准,但对于常规使用来说并不实用.
现有的自动化AST系统在准确性或运营效率方面存在局限性.

研究的目的:

为了评估新型AutoMic-i600自动化AST系统的性能.
为了评估其准确性,使用常见临床细菌的微稀释 (BMD) 方法.
将其性能与Vitek 2系统进行比较,并验证其用于新型抗生素的使用.

主要方法:

预期收集229个临床细菌分离物 (150个格拉姆阴性,79个格拉姆阳性).
将AutoMic-i600和Vitek 2系统与BMD常规抗生素黄金标准进行比较.
验证AutoMic-i600用于检测对新型抗生素的敏感性.

主要成果:

自动Mic-i600显示了高的基本一致性 (EA) 和分类一致性 (CA):93.2%的EA和93.5%的CA为格拉姆阴性细菌,98.5%的EA和97.8%的CA为格拉姆阳性细菌.
与Vitek 2相比,AutoMic-i600对耐药细菌显示出更高的协议 (EA: 98.1%与94.8%相比;CA: 97.5%与92.0%相比).
在AutoMic-i600 (1.0%) 治疗中,Gram阴性细菌的VME率低于Vitek 2 (2.9%),而新型抗生素显示>90.0%的一致性.

结论:

在临床环境中,AutoMic-i600系统是常规AST的可行选择.
它提供了潜在的更可靠的检测耐药细菌和新型抗生素.
这种系统可以帮助预防和治疗耐药细菌引起的感染.

关键词:

自动Mic-i600系统系统对抗生素敏感性测试试验.自动化自动化自动化耐药细菌是耐药的细菌.

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