IJERPH, Vol. 15, Pages 46: Surveillance of Environmental and Procedural Measures of Infection Control in the Operating Theatre Setting

IJERPH, Vol. 15, Pages 46: Surveillance of Environmental and Procedural Measures of Infection Control in the Operating Theatre Setting

International Journal of Environmental Research and Public Health doi: 10.3390/ijerph15010046

Authors: Laura Dallolio Alessandra Raggi Tiziana Sanna Magda Mazzetti Alessandra Orsi Angela Zanni Patrizia Farruggia Erica Leoni

The microbiological contamination of operating theatres and the lack of adherence to best practices by surgical staff represent some of the factors affecting Surgical Site Infections (SSIs). The aim of the present study was to assess the microbiological quality of operating settings and the staff compliance to the SSI evidence-based control measures. Ten operating rooms were examined for microbiological contamination of air and surfaces, after cleaning procedures, in "at rest" conditions. Furthermore, 10 surgical operations were monitored to assess staff compliance to the recommended practices. None of the air samples exceeded microbiological reference standards and only six of the 200 surface samples (3.0%) were slightly above recommended levels. Potentially pathogenic bacteria and moulds were never detected. Staff compliance to best practices varied depending on the type of behaviour investigated and the role of the operator. The major not compliant behaviours were: pre-operative skin antisepsis, crowding of the operating room and hand hygiene of the anaesthetist. The good environmental microbiological quality observed is indicative of the efficacy of the cleaning-sanitization procedures adopted. The major critical point was staff compliance to recommended practices. Awareness campaigns are therefore necessary, aimed at improving the organisation of work so as to facilitate compliance to operative protocols.

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