碳酶产生肠道细菌的多微生物疫情使用通用接收和排放查以及水安全的建筑环境来管理
M Meda1, M Weinbren2, C Nagy3
1Department of Infection and Immunity/Infection Prevention and Control, Frimley Health NHS Foundation Trust, Frimley, UK.
The Journal of hospital infection
|December 5, 2024
概括
在患者和废水系统中加强对产生卡巴酶的肠道细菌 (CPE) 的查有助于检测和减少医院的疫情. 该战略确定了全医院的CPE爆发,废水被确定为关键储水库,导致有效的缓解.
科学领域:
- 传染性疾病 传染性疾病
- 微生物学 微生物学
- 公共卫生 公共卫生
背景情况:
- 碳酶产生肠道细菌 (CPE) 是由于抗菌素耐药性 (AMR) 的日益增长的全球威胁.
- 医院是CPE传播的重要地点,经常出现长期爆发.
- 现有的查方法侧重于接收和基于风险的方法,可能错过了更广泛的传播动态.
研究的目的:
- 描述韦克瑟姆公园医院 (WPH) 的CPE查政策的变化.
- 识别和减轻与CPE传播中的医院废水相关的风险.
- 评估加强查和废水干预措施对控制CPE爆发的有效性.
主要方法:
- 实施了使用分子方法加强CPE患者查,包括入院和出院查34周.
- 对医院的废水排水基础设施进行了调查,以确定潜在的干预点.
- 在医院的废水系统中应用了有针对性的干预措施.
主要成果:
- 检测到一个多微生物,全医院的CPE爆发,涉及新德里金属β-乳糖酶 (NDM) 和OXA-48酶.
- 确定医院的废水系统是CPE的储存库.
- 在加强查期间,1.2%的患者检测出CPE阳性,14%患有感染;73%的检测到病例可能是医疗保健获得的.
- 降低废水风险和普遍查导致CPE传播的持续减少.
结论:
- 普遍的入院和出院查对于检测CPE爆发是有效的.
- 整合水安全概念和加强查可以改善CPE检测,并减少在医疗机构中获得CPE.
- 这种方法对于管理医院中不断增加的CPE患病率至关重要.
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