College of Medicine, BSc Med Research Program, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada.
Department of Microbiology, University of Manitoba, Winnipeg, MB, Canada.
Am J Infect Control. 2018 Sep;46(9):1019-1021. doi: 10.1016/j.ajic.2018.03.004. Epub 2018 Apr 11.
Since hospital patient privacy curtains can harbor bacteria, are high-touch surfaces, and are cleaned infrequently, they may be involved in pathogen transmission. The aim of this longitudinal prospective study was to understand curtain contamination to inform curtain hygiene protocols, thereby minimizing the role of curtains in pathogen transmission.
Over 21 days, cultures of 10 freshly laundered curtains (8 test curtains surrounding patient beds and 2 controls in an unoccupied staff room) were taken in the Regional Burns/Plastics Unit. Contact plates were used to sample the curtains near the edge hem where they are most frequently touched. Microbial contamination and the presence of methicillin-resistant Staphylococcus aureus (MRSA) were determined.
By day 3, test curtains showed increased microbial contamination (mean colony-forming units [CFU]/cm = 1.17) compared to control curtains (mean CFU/cm = 0.19). Test curtains became increasingly contaminated over time, with mean CFU/cm for days 17 and 21 of 1.86 and 5.11, respectively. By day 10, 1/8 test curtains tested positive for MRSA, and 5/8 were positive by day 14.
Patient privacy curtains became progressively contaminated with bacteria, including MRSA. Between days 10 and 14 after being hung, curtains showed increased MRSA positivity. This may represent an opportune time to intervene, either by cleaning or replacing the curtains.
由于医院患者隐私帘可能藏匿细菌,是高接触表面,且清洁频率低,因此它们可能参与了病原体的传播。本纵向前瞻性研究旨在了解窗帘污染情况,以便制定窗帘卫生协议,从而最大程度减少窗帘在病原体传播中的作用。
在 21 天的时间里,对区域烧伤/整形科的 10 块新清洗的窗帘(8 块围绕患者病床的测试窗帘和 2 块在无人使用的员工室的对照窗帘)进行了培养。使用接触平板对靠近边缘下摆的窗帘进行采样,因为此处是最常接触的地方。测定了微生物污染和耐甲氧西林金黄色葡萄球菌(MRSA)的存在情况。
第 3 天时,与对照窗帘(平均每平方厘米 CFU=0.19)相比,测试窗帘的微生物污染增加(平均每平方厘米 CFU=1.17)。随着时间的推移,测试窗帘的污染程度逐渐增加,第 17 天和第 21 天的平均 CFU/cm 分别为 1.86 和 5.11。第 10 天,有 1/8 的测试窗帘检测出 MRSA 阳性,第 14 天则有 5/8 阳性。
患者隐私帘逐渐被细菌污染,包括 MRSA。挂起后 10 至 14 天之间,窗帘的 MRSA 阳性率增加。这可能是一个干预的好时机,无论是清洁还是更换窗帘。