肠道细菌对不同类型的环素有不同的敏感性
Hannah Flores1, Paul Luethy2, James B Doub3
1Infectious Diseases, University of Maryland Medical Center, Baltimore, USA.
Cureus
|January 1, 2025
概括
蒂格环素可以预测多环素耐药细菌对奥马环素和埃拉环素的敏感性. 然而,在这些耐药的肠道细菌中,使用第三代四环素无法预测米诺环素耐药性.
科学领域:
- 抗微生物耐药性 抗微生物耐药性
- 细菌遗传学 细菌遗传学
- 临床微生物学 临床微生物学
背景情况:
- 肠道细菌中对环素和多环素的耐药性使治疗选择复杂化.
- 了解对其他四环素的交叉敏感性对于有效的抗菌药物管理至关重要.
研究的目的:
- 评估tigecycline作为替代标记物的实用性,以预测Enterobacterales对第三代四环素 (eravacycline,omadacycline) 和米诺环素的敏感性.
- 为了确定多西环素和四环素耐药性的影响,推断对其他四环素的敏感性.
主要方法:
- 肠道细菌分离物的抗微生物敏感性测试.
- 对四环素,多西环素,环素,米诺环素,埃拉瓦环素和奥马环素的耐药性模式的分析.
- 相关性分析,以评估代用标记物的实用性.
主要成果:
- 蒂格环素敏感性准确预测了奥马环素和埃拉环素敏感性,即使存在多西环素和四环素耐药性.
- 无法从对多西环素和四环素耐药的肠道细菌中的第三代四环素中可靠地推断出米诺环素敏感性.
结论:
- 蒂格环素作为一个潜在的替代品预测omadacycline和eravacycline在耐药肠道细菌的敏感性.
- 在这种情况下,米诺环素敏感性需要单独测试,不能从tigecycline或第三代四环素推断出来.
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