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Acta bioquímica clínica latinoamericana
Print version ISSN 0325-2957On-line version ISSN 1851-6114
Abstract
YIYELA MASO, Marina et al. Contaminación ambiental por microorganismos multirresistentes y el efecto de la limpieza y desinfección en una unidad de cuidados intensivos. Acta bioquím. clín. latinoam. [online]. 2020, vol.54, n.2, pp.145-150. ISSN 0325-2957.
It is essential to understand the role of the environment in order to avoid intrahospital infections. To achieve this objective, this research proposes to assess the prevalence of the environmental contamination caused by multi-resistant microorganisms (MRM) before and after terminal disinfection in rooms with colonized patients, but also to establish whether the commonly used device acts as a reservoir of those micro-organisms in an intensive care unit (ICU). Environmental samples were obtained from the rooms, 48 hours after detecting colonization and also after the first and second final cleaning. The results showed that after both procedures, there was a reduction from 28.2% to 2.6% of contamination caused by multi-resistant Acinetobacter spp. (AMR). Samples from appliances and supplies were taken as well, in which case, between 1.8 and 5.4% of contamination levels induced by MMR were found. Cleaning and disinfecting significantly reduce environmental contamination. However, both MMR bacterial colonization and the lack of universal precautions enforcement represent a possibility of cross-transmission.
Keywords : Colonization by multi-resistant microorganisms; Contamination of hospital surfaces; Cleaning and disinfection; Multi-resistant Acinetobacter spp.; Health care-associated infections.