抗微生物耐药性和beta-lactamase基因在临床分离物中分布:为期两年的队列研究
Yasser Alraey1, Mohammed Mushabub Assiry2, Irfan Ahmad1
1Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia.
Scientific reports
|July 4, 2025
概括
这项研究调查了2,098名患者的抗菌素耐药性,发现尿路感染率不断增加,以及对Norfloxacin等常见抗生素的耐药性. 对抗微生物药物管理和感染控制的紧急改进是必要的.
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
- 公共卫生 公共卫生
背景情况:
- 抗菌素耐药性 (AMR) 构成了全球健康的重大威胁.
- 了解特定患者群体的耐药性模式对于有效治疗至关重要.
- 这项研究解决了对老年医疗保健服务的日益增长的需求.
研究的目的:
- 评估患者的人口结构,微生物检测模式和抗微生物药物耐药性.
- 分析医疗保健相关感染和社区感染的趋势.
- 确定细菌分离物中普遍存在的耐药基因,特别是大肠杆菌.
主要方法:
- 一项对2098名患者的队列调查.
- 对人口统计数据,尿液,血液和伤口培养的分析.
- 抗微生物敏感性测试和耐药基因的检测 (ESBL,MBL,AmpC).
主要成果:
- 尿液样本产生了最高的细菌分离物 (72.9%).
- 从2022年到2023年,医疗保健相关感染和尿路感染的显著增加.
- 对诺夫洛克萨 (97.1%) 和科特里莫克萨 (46%) 观察到高耐药率.
- 在大肠杆菌中ESBL基因 (blaCTX-M) 和MBL基因 (blaOXA-48,blaNDM) 的流行率.
- 在MBL分离物中同时出现多个耐药基因 (例如,blaVIM和blaNDM).
结论:
- 迫切需要加强抗微生物药物管理计划.
- 改善感染监测和控制措施对于打击新出现的耐药性病原体至关重要.
- 这些发现凸显了监测AMR趋势在临床环境中的关键重要性.
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