西林加上脑素是对西林敏感性肠球菌菌的治疗选择吗?
Paula Bierge1,2, Inmaculada Gómez-Sánchez1,2, Cristina Garcia de la Mària3
1Laboratori de Recerca en Microbiologia i Malalties Infeccioses, Hospital Universitari Parc Taulí, Institut d'Investigació i Innovació Parc Taulí (I3PT-CERCA), Universitat Autònoma de Barcelona, Sabadell, Spain.
The Journal of antimicrobial chemotherapy
|August 12, 2025
概括
西林与塞夫托林结合,对大多数对西林敏感的Enterococcus faecium菌株产生了协同效应. 这种组合可能为难以治疗的医院相关感染提供新的治疗选择.
科学领域:
- 传染性疾病 传染性疾病
- 微生物学 微生物学
- 药理学 药理学是指药理学的学科.
背景情况:
- 菌 (Enterococcus faecium) 是一个主要的医院相关的病原体.
- 治疗Enterococcus faecium感染是一项挑战.
- 针对对安培素敏感的E. faecium (ASEfm) 的安培素-头素组合的有效性还没有得到很好的定义.
研究的目的:
- 评估将安皮西林与 ceftriaxone 或 ceftaroline 结合对ASEfm菌株的有效性.
- 确定这些抗生素组合的协同作用和添加作用.
主要方法:
- 对来自复杂感染的十种ASEfm血流分离物的分析.
- 对 ceftriaxone,ceftaroline和cefotaxime进行抗生素敏感性测试.
- 时间杀死试验是为了评估安皮西林与 ceftriaxone 或 ceftaroline 结合的协同作用和添加作用.
主要成果:
- 在70% (7/10) 的ASEfm菌株中,安皮西林加上塞法托林显示出协同作用/添加作用.
- 西林加上 ceftriaxone 显示出较少明显的协同作用,在30% (3/10) 的菌株中产生影响.
结论:
- 西林与塞夫托林或塞夫特里亚结合,对一些ASEfm临床分离物具有协同活性.
- 这些组合代表了对抗ASEfm感染的潜在治疗策略.
相关概念视频
Combined Effects of Drugs: Synergism
4.7K
Synergism is a useful mechanism where combining two or more drugs is more effective than each constituent used alone. Such combinations are also called supra-additive interactions. The drugs collectively enhance the final therapeutic effect by acting on different targets. Another advantage is that the low dose of each constituent drug is sufficient to achieve the desired effect. This helps reduce the duration of therapy and lower the adverse effects of these drugs.
Such synergistic combinations...
Such synergistic combinations...
4.7K
Antimicrobial Effectiveness
157
The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
157


