格拉姆阴性细菌的抗微生物敏感性:来自巴西实验室网络患者的分析
Amanda Azevedo Bittencourt1, Thales José Polis1, Vinicius Lima Faustino1
1Global Medical and Scientific Affairs, MSD, São Paulo, Brazil.
Journal of global antimicrobial resistance
|January 26, 2025
概括
这项研究分析了巴西的グラム阴性病原体,发现肠杆菌是最常见的. 塞法西迪姆/阿维巴克坦和阿米卡辛对肠道细菌有很高的疗效,而波利米克辛B和塞法托拉/塔巴克坦对P. aeruginosa. 有效.
科学领域:
- 医学微生物学 医学微生物学
- 传染性疾病 传染性疾病
- 临床流行病学临床流行病学
背景情况:
- 医疗相关感染 (HAI) 在全球范围内构成了重大挑战.
- 在巴西,急需最新的有关格拉姆阴性病原体的流行病学数据.
- 抗微生物耐药性需要持续监测易感性模式.
研究的目的:
- 描述2018年至2020年间巴西格拉姆阴性病原体的流行病学.
- 确定关键的细菌的抗微生物敏感性模式,包括肠杆菌和 Pseudomonas aeruginosa.
- 为了弥补巴西关于高血压感染的国家数据的差距.
主要方法:
- 一项采用来自巴西私人实验室网络 (Fleury) 的数据进行的横截面研究.
- 从成年住院患者 (≥18岁) 的血液,尿液和下呼吸道隔离物的分析.
- 通过质谱和根据EUCAST/BrCAST指南进行抗菌敏感性测试进行细菌鉴定.
主要成果:
- 总共分析了25180个分离物,其中肠杆菌占76.2%, Pseudomonas aeruginosa占23.8%.
- 肠杆菌对塞夫塔齐/阿维巴克坦 (97.1%) 和阿米卡辛 (95.6%) 的敏感性很高.
- Pseudomonas aeruginosa 对聚米辛B (97.1%) 和 塞夫托洛/塔扎巴克坦 (86.6%) 的敏感性很高.
结论:
- 肠杆菌是研究巴西人群中占主导地位的グラム阴性病原体.
- 塞法胺/阿维巴克坦和阿米卡辛对肠杆菌有效,而塞法胺/塔扎巴克坦和波利米克辛B对P. aeruginosa. 有效.
- 较新的抗微生物药物,特别是β-乳酸-β-乳酸酶抑制剂组合,对于治疗阳性感染至关重要.
关键词:
塞夫托洛赞 (Ceftolozane) /塔扎巴克坦 (Tazobactam) 是一种药物.药物耐药性,对抗菌素的敏感性进入细菌体中的细菌.格拉姆阴性细菌是一种细菌.伪omonas aeruginosa 这种类型的病毒.更多相关视频
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