西班牙Clostridioides difficile的抗菌敏感性:多中心回顾性队列研究
María-Paz Ventero1, María-Dolores Valverde-Fredet2, Esperanza Merino3,4
1Microbiology Service, Alicante General University Hospital, Alicante Institute of Health and Biomedical Research (ISABIAL), 03010 Alicante, Spain.
Antibiotics (Basel, Switzerland)
|February 27, 2026
概括
在西班牙的一项研究中,克洛斯特里迪奥伊德复杂菌对美特罗尼达,万科米辛和tigecycline的耐药性并不常见. 菲达克索米辛和埃拉瓦环素在体外表现出极好的活性,总体上耐药性率较低.
科学领域:
- 临床微生物学 临床微生物学
- 传染病 传染病 传染病
- 抗微生物耐药性 抗微生物耐药性
背景情况:
- 困难菌感染 (CDI) 构成了重大的公共卫生挑战.
- 了解抗微生物敏感性对于有效的CDI治疗至关重要.
- 关于西班牙CDI队列中耐药性概况的数据有限.
研究的目的:
- 为了在体外确定C. difficile分离物对关键抗生素的敏感性.
- 为了评估多中心西班牙队列中的抵抗模式.
- 评估耐药性与临床因素之间的关联.
主要方法:
- 从西班牙患者中收集C. difficile分离物的前景采集 (NCT04801862).
- 使用E-试验和亚格稀释的抗菌敏感性测试.
- 根据EUCAST断点和ECOFF标准解释结果.
主要成果:
- 对万科米辛 (2.8%),提格环素 (2.8%) 和美特罗尼达 (1.9%) 观察到的耐药率较低.
- 菲达克索米辛 (0.9%) 和埃拉瓦环素显示出极少或没有耐药性.
- 在耐药性和临床因素 (如严重程度或复发) 之间没有发现显著的关联.
结论:
- 菲达克索米辛和埃拉瓦环素在体外对C. difficile有强烈的活性.
- 虽然不常见,但可以检测到对美特罗尼达,万科米辛和tigecycline的耐药性.
- 持续监测抗菌素耐药性及其临床影响至关重要.
更多相关视频
12:58A Protocol to Characterize the Morphological Changes of Clostridium difficile in Response to Antibiotic Treatment
Published on: May 25, 2017
9.4K
09:12A Protein Microarray Assay for Serological Determination of Antigen-specific Antibody Responses Following Clostridium difficile Infection
Published on: June 15, 2018
10.5K
相关概念视频
Antimicrobial Effectiveness
1.4K
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...
1.4K
Development of Antibiotic Resistance
1.7K
Antibiotic resistance is a major public health concern that arises when bacteria evolve mechanisms to withstand the effects of antibiotic treatments. This resistance can be intrinsic, acquired through genetic mutations, or transferred between bacteria via horizontal gene transfer. The development of antibiotic resistance poses significant challenges in treating bacterial infections and necessitates ongoing research to develop new therapeutic strategies.Intrinsic resistance occurs when bacterial...
1.7K
