Clinical Institute for Hygiene and Medical Microbiology, Division for Hospital Hygiene, Vienna General Hospital, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, Austria.
Am J Infect Control. 2010 May;38(4):289-92. doi: 10.1016/j.ajic.2009.09.006. Epub 2010 Jan 31.
The aim of this study was to investigate the decontamination capacity of 4 different types of cleaning cloths (microfiber cleaning cloth, cotton cloth, sponge cloth, and disposable paper towels) commonly used in hospital in their ability to reduce microbial loads from a surface used dry or wet in new condition. All of the cloths except disposable paper towels were also compared after 10 and 20 times of reprocessing, respectively, at 90 degrees C for 5 minutes in a washing machine.
Staphylococcus aureus (ATCC 6538) and Escherichia coli (ATCC 8739) were used as test organisms. Test organisms were then added to a test soil (6% bovine serum albumin and 0.6% sheep erythrocytes) resulting in a controlled concentration of 5 x 10(7) colony-forming units per milliliter in the final test suspension. Standardized tiles measuring 5 x 5 cm were used as test surface.
Microfiber cloths showed the best results when being used in new condition. However, after multiple reprocessing, cotton cloth showed the best overall efficacy.
We therefore suggest that the choice of the cleaning utilities should be based on their decontamination efficacy after several reprocessings and recommend the establishment of strict and well-defined cleaning and disinfection protocols.
本研究旨在调查 4 种不同类型的清洁布（微纤维清洁布、棉布、海绵布和一次性纸巾）在新条件下，无论是干燥还是湿润，从表面减少微生物负荷的能力。除了一次性纸巾，所有的布都在经过 90 度、5 分钟的洗衣机清洗后，分别进行 10 次和 20 次重复处理后，进行了比较。
金黄色葡萄球菌（ATCC 6538）和大肠杆菌（ATCC 8739）被用作试验菌。试验菌然后被添加到试验土壤（6%牛血清白蛋白和 0.6%绵羊红细胞）中，最终试验悬浮液中的浓度为每毫升 5x10(7)个菌落形成单位。5x5cm 的标准瓷砖被用作测试表面。
微纤维布在新条件下效果最好。然而，经过多次重复处理后，棉布显示出最好的整体效果。
因此，我们建议清洁工具的选择应基于其多次重复处理后的去污效果，并建议建立严格和明确的清洁和消毒方案。
