Department of Preventive Medicine, Faculty of Medicine, Malaga University, Boulevard Louis Pasteur, 32, 29071, Malaga, Spain.
Eur J Clin Microbiol Infect Dis. 2011 Feb;30(2):227-32. doi: 10.1007/s10096-010-1073-1. Epub 2010 Oct 17.
Over the last few years, the textile industry has developed different methods for obtaining fabrics and fibres with an antimicrobial action for use in hospital environments and for other purposes. This study evaluates the antimicrobial action of Bioactive(®)-treated fabric (BTF), a commercially available textile containing silver for use in healthcare environments. Unlike other biocides used in hospital fabrics, the prolonged use of silver has not been related to the appearance of resistant bacteria or cross-resistance to antibiotics, in spite of being extensively used in some treatments. Thirty-three hospital strains of bacteria were tested. This study showed the capacity of BTF for significantly reducing the number of microorganisms present, compared with the reduction observed in control fabrics (CF). The antimicrobial action of BTF was expressed as log(10) reduction (LR) from an initial inoculum of about 10(5) colony-forming units (cfu). According to the bacterial species, an LR of between 2.6 and 5.0, and 4.1 and 5.0 (5.0 indicating total inhibition of bacterial growth) were observed, respectively, after 24 and 48 h for BTF. Acinetobacter strains were the most resistant to CF after 72 h (0.8 LR). All of the microorganisms, except two strains of Enterococcus faecalis, were totally inhibited after 72 h on BTF.
在过去的几年中，纺织业已经开发出不同的方法来获得具有抗菌作用的织物和纤维，用于医院环境和其他用途。本研究评估了 Bioactive(®)-处理织物（BTF）的抗菌作用，BTF 是一种商业上可用于医疗环境的含有银的纺织品。与医院织物中使用的其他杀生物剂不同，尽管在某些治疗中广泛使用，但长时间使用银并未与耐药菌的出现或对抗生素的交叉耐药性相关。测试了 33 株医院细菌。本研究表明，与对照织物（CF）相比，BTF 具有显著减少存在的微生物数量的能力。BTF 的抗菌作用表示为初始接种物约为 10(5)菌落形成单位（cfu）时的对数减少（LR）。根据细菌种类，在 24 和 48 小时时，BTF 的 LR 分别在 2.6 到 5.0 之间，以及 4.1 到 5.0 之间（5.0 表示细菌生长完全抑制）。在 72 小时后，对 CF 最具抵抗力的是不动杆菌菌株（0.8 LR）。除了两株粪肠球菌外，所有微生物在 BTF 上 72 小时后均被完全抑制。
