南非教学医院采用新型环境卫生干预后实现CRE超级细菌减少

2022-04-06 网络 网络

新研究结果首次显示,紫外线(UV)房间净化技术与手工清洁规程相结合,可将院内碳青霉烯类耐药肠杆菌目细菌传播率降低23%

金山大学唐纳德·戈登医疗中心(Wits Donald Gordon Medical Centre, WDGMC)宣布的新研究结果首次显示,紫外线(UV)房间净化技术与手工清洁规程相结合,可将院内碳青霉烯类耐药肠杆菌目细菌(Carbapenem-resistant Enterobacterales, CRE)传播率降低23%。该研究结果已发表于《院内感染杂志》(The Journal of Hospital Infection) 2022年3月刊。 

南非首家私立教学医院金山大学唐纳德·戈登医疗中心(WDGMC)的研究团队经过26个月的研究发现,这家拥有210个床位的医院坚持使用美国制造商UVDI和eHealthGroup Infection Control提供的紫外线房间净化设备UVDI-360 Room作为标准清洁(包括漂白剂和季铵消毒剂)的辅助手段后,全院CRE传播减少。干预措施包括在12个月基线加2个月清洗期之后的12个月期间,对所有5个高风险患者单位(包括重症监护科、肿瘤科、移植和胃肠手术室)进行广泛的UV房间净化。 

牵头研究员、金山大学唐纳德·戈登医疗中心临床微生物学家和感染防控专家Warren Lowman博士表示:“我们团队的研究显示,采用UV房间净化技术提升院内环境卫生,能帮助预防CRE传播,CRE是一组极具挑战性的多药耐药菌。”  

该UV房间净化设备部署于三种使用场景:患者出院后的终端清洁、患者转移后的终端清洁,以及通过一种新的处理方法对患者已存在多药耐药菌(MDRO)感染并且患者在设备使用期间被移动过的房间进行清洁。对于每种场景,UV设备均以5分钟的处理周期运行,其周期数因房间设置和大小而异。 

CRE是指对至少一种碳青霉烯类抗生素表现出耐药性的更广谱的微生物群1。南非新近发表的监测研究显示,CRE感染的粗死亡率接近40%。2

金山大学唐纳德·戈登医疗中心首席执行官Sue Tager博士表示:“该研究突显了WDGMC通过应用新型感染预防规程对患者和员工安全的坚定承诺。非洲内外正在进行预防超级细菌传播的战斗,上述结果证明有效的解决方案是存在的,为人们带来了希望和具体证据。” 

 

1 https://www.cdc.gov/hai/organisms/cre/technical-info.html  
2 Perovic O, Ismail H, Quan V, Bamford C, Nana T, Chibabhai V, Bhola P, Ramjathan P, Swe Swe-Han K, Wadula J, Whitelaw A, Smith M, Mbelle N, Singh-Moodley A; for GERMS-SA. Carbapenem-resistant Enterobacteriaceae in patients with bacteraemia at tertiary hospitals in South Africa, 2015 to 2018. Eur J Clin Microbiol Infect Dis. 2020 Jul;39(7):1287-1294. doi: 10.1007/s10096-020-03845-4. Epub 2020 Mar 2. PMID: 32124106. (Perovic O, Ismail H, Quan V, Bamford C, Nana T, Chibabhai V, Bhola P, Ramjathan P, Swe Swe-Han K, Wadula J, Whitelaw A, Smith M, Mbelle N, Singh-Moodley A; 代表GERMS-SA。2015年至2018年南非三级医院菌血症患者中耐碳青霉烯类肠杆菌科细菌。《欧洲临床微生物学与感染性疾病杂志》2020年7月;39(7):1287-1294. doi: 10.1007/s10096-020-03845-4.电子版发表于2020年3月2日。PMID: 32124106.) 

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    2022-04-08 hongbochen
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    2022-04-08 HinsMax

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