在科威特的一家三级医院的甲素耐药黄金葡萄球菌 (MRSA):分子和遗传分析
Wadha A Alfouzan1,2, Samar S Boswihi2, Edet E Udo2
1Microbiology Unit, Department of Laboratories, Farwaniya Hospital, P.O. Box 13373, Farwaniya 81004, Kuwait.
Microorganisms
|January 26, 2024
概括
这项研究分析了科威特的抗甲素黄金葡萄球菌 (MRSA),发现对万科米敏感,但对其他几种抗生素有耐药性. 研究还发现了MRSA的转变.
科学领域:
- 微生物学 微生物学
- 传染性疾病 传染性疾病
- 分子流行病学分子流行病学
背景情况:
- 甲素耐药黄金葡萄球菌 (MRSA) 是全球卫生保健相关和社区获得感染的重要原因.
- 了解MRSA的抗生素敏感性和遗传构成对于有效的治疗和控制策略至关重要.
- 之前的研究表明,ST239-MRSA-III是这个科威特医院的主导克隆.
研究的目的:
- 来自科威特的一家三级医院的MRSA分离物的抗生素敏感性概况.
- 为了确定这些MRSA分离物的克隆组成.
- 更新该地区MRSA流行病学的知识,并注意到从以前的主导克隆的潜在转变.
主要方法:
- 在2020年收集的60个MRSA分离体上进行了抗生素敏感性测试.
- 使用spa类型分析分析了分离的遗传多样性和相关性.
- 使用DNA微阵列分析进一步描述克隆复合体 (CC) 并确定特定的遗传标记.
主要成果:
- 所有的隔离物仍然对万科米辛,提科普拉宁,里芬皮辛和穆皮罗辛敏感.
- 对化酸 (72%),西普洛素 (51.7%) 和三甲 (trimethoprim) (45%) 观察到高耐药率.
- 这些分离物包括30种spa类型和13种CC,其中CC5和CC6是最常见的. 值得注意的是,以前占主导地位的ST239-MRSA-III克隆不再被检测到.
结论:
- 在这个科威特医院的MRSA对几种常用的抗生素表现出令人担忧的耐药性模式.
- MRSA的克隆格局已经演变,与ST239-MRSA-III克隆的转移.
- 对MRSA抗生素耐药性和克隆多样性的持续监测对于公共卫生干预至关重要.
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