在多西环林暴露后的预防中,可以在各种病原体中选择对其他抗微生物药物的交叉耐药性:in silico分析
Zina Gestels1, Sheeba Santhini Manoharan-Basil1, Chris Kenyon1,2
1STI Unit, Department of Clinical Sciences, Institute of Tropical Medicine, Antwerp, Belgium.
International journal of STD & AIDS
|July 19, 2023
概括
对多西环素暴露后预防 (PEP) 可能无意中促进抗菌素耐药性. 对多西环素PEP的研究应评估其对各种细菌物种对多种药物耐药性的影响.
科学领域:
- 微生物学 微生物学
- 传染性疾病 传染性疾病
- 抗微生物耐药性 抗微生物耐药性
背景情况:
- 多西环素暴露后预防 (PEP) 有效地减少与男性发生性关系的男性 (MSM) 中的淋病和梅毒等性传播感染.
- 人们担心,经常与多西环素相关的四环素耐药性可能会导致各种细菌物种对其他抗生素的耐药性.
研究的目的:
- 在关键细菌病原体中调查四环素耐药性和对其他抗微生物药物的耐药性之间的关联.
- 评估多西环素PEP对更广泛的抗菌素耐药性模式的潜在意外后果.
主要方法:
- 从pubMLST和病原体观察数据库收集了抗菌素敏感性数据.
- 这项研究分析了六种细菌病原体:克莱布西拉肺炎,沙门氏菌,Campylobacter jejuni,金黄色葡萄球菌,肺炎菌株菌和Streptococcus pyogenes.
- 评估了对四环素耐药性和对其他六种抗微生物药物的耐药性之间的关联.
主要成果:
- 在所有六种研究的细菌物种中观察到交叉耐药性模式.
- 有意义的关联包括耐四环素耐药的黄金色杆菌的甲基西林耐药性,S. pneumoniae的青素耐药性和K. pneumoniae的脑素耐药性.
- 交叉耐药性的患病率因物种而异,S. aureus和S. pneumoniae分别对5分之5和6分之5的抗微生物药物表现出耐药性.
结论:
- 多西环素PEP可能选择耐药性不仅对多西环素,而且对其他关键抗菌剂.
- 未来对多西环林PEP的研究应扩大其范围,包括多种细菌物种和更广泛的抗菌素耐药性.
- 这些发现凸显了需要仔细考虑多西环林在预防中使用的更广泛影响的需要.
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