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How clean is clean: a new approach to assess and enhance environmental cleaning and disinfection in an acute tertiary care facility.

ABSTRACT: Traditional environmental cleaning monitoring through visual assessment can identify gross lapses in practice. However, in recent years the limitations underlying this need for ongoing compliance with cleaning and disinfection policies in the patient's immediate surroundings have become widely recognised. The value of objectively monitoring and improving environmental cleaning and disinfection in healthcare settings is becoming increasingly identified as a crucial element of strategies to mitigate the transmission of healthcare-associated infections. Mafraq Hospital has adopted a new method using an invisible fluorescent marker system to target on surfaces in patient's immediate surroundings. Evaluation of at least 30 surfaces and objects in patient rooms revealed that only 11% of targets had been cleaned. Simulation training, educational interventions, empowerment, change involvement and acknowledgment were executed, leading to a sustained improvement of 77% in both quarter 2 and 3 of 2013 in cleaning and disinfecting of all surfaces and objects.

SUBMITTER: Ng WK

PROVIDER: S-EPMC4645839 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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How clean is clean: a new approach to assess and enhance environmental cleaning and disinfection in an acute tertiary care facility.

Ng Wai Khuan WK

BMJ quality improvement reports 20141103 1

Traditional environmental cleaning monitoring through visual assessment can identify gross lapses in practice. However, in recent years the limitations underlying this need for ongoing compliance with cleaning and disinfection policies in the patient's immediate surroundings have become widely recognised. The value of objectively monitoring and improving environmental cleaning and disinfection in healthcare settings is becoming increasingly identified as a crucial element of strategies to mitiga ...[more]

PMID: 26734277

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Project description:Experts agree that careful cleaning and disinfection of environmental surfaces are essential elements of effective infection prevention programs. However, traditional manual cleaning and disinfection practices in hospitals are often suboptimal. This is often due in part to a variety of personnel issues that many Environmental Services departments encounter. Failure to follow manufacturer's recommendations for disinfectant use and lack of antimicrobial activity of some disinfectants against healthcare-associated pathogens may also affect the efficacy of disinfection practices. Improved hydrogen peroxide-based liquid surface disinfectants and a combination product containing peracetic acid and hydrogen peroxide are effective alternatives to disinfectants currently in widespread use, and electrolyzed water (hypochlorous acid) and cold atmospheric pressure plasma show potential for use in hospitals. Creating "self-disinfecting" surfaces by coating medical equipment with metals such as copper or silver, or applying liquid compounds that have persistent antimicrobial activity surfaces are additional strategies that require further investigation. Newer "no-touch" (automated) decontamination technologies include aerosol and vaporized hydrogen peroxide, mobile devices that emit continuous ultraviolet (UV-C) light, a pulsed-xenon UV light system, and use of high-intensity narrow-spectrum (405 nm) light. These "no-touch" technologies have been shown to reduce bacterial contamination of surfaces. A micro-condensation hydrogen peroxide system has been associated in multiple studies with reductions in healthcare-associated colonization or infection, while there is more limited evidence of infection reduction by the pulsed-xenon system. A recently completed prospective, randomized controlled trial of continuous UV-C light should help determine the extent to which this technology can reduce healthcare-associated colonization and infections. In conclusion, continued efforts to improve traditional manual disinfection of surfaces are needed. In addition, Environmental Services departments should consider the use of newer disinfectants and no-touch decontamination technologies to improve disinfection of surfaces in healthcare.

Project description:OBJECTIVES:The most efficient approach to monitoring and improving cleaning outcomes remains unresolved. We sought to extend the findings of a previous study by determining whether cleaning thoroughness (dye removal) correlates with cleaning efficacy (absence of molecular or cultivable biomaterial) and whether one brief educational intervention improves cleaning outcomes. DESIGN:Before-after trial. SETTING:Newly built community hospital. INTERVENTION:90 minute training refresher with surface-specific performance results. METHODS:Dye removal, measured by fluorescence, and biomaterial removal and acquisition, measured with culture and culture-independent PCR-based assays, were clandestinely assessed for eight consecutive months. At this midpoint, results were presented to the cleaning staff (intervention) and assessments continued for another eight consecutive months. RESULTS:1273 surfaces were sampled before and after terminal room cleaning. In the short-term, dye removal increased from 40.3% to 50.0% (not significant). For the entire study period, dye removal also improved but not significantly. After the intervention, the number of rooms testing positive for specific pathogenic species by culturing decreased from 55.6% to 36.6% (not significant), and those testing positive by PCR fell from 80.6% to 53.7% (P = 0.016). For nonspecific biomaterial on surfaces: a) removal of cultivable Gram-negatives (GN) trended toward improvement (P = 0.056); b) removal of any cultivable growth was unchanged but acquisition (detection of biomaterial on post-cleaned surfaces that were contaminant-free before cleaning) worsened (P = 0.017); c) removal of PCR-based detection of bacterial DNA improved (P = 0.046), but acquisition worsened (P = 0.003); d) cleaning thoroughness and efficacy were not correlated. CONCLUSION:At this facility, a minor intervention or minimally more aggressive cleaning may reduce pathogen-specific contamination, but not without unintended consequences.

Dataset Information

How clean is clean: a new approach to assess and enhance environmental cleaning and disinfection in an acute tertiary care facility.

Publications

How clean is clean: a new approach to assess and enhance environmental cleaning and disinfection in an acute tertiary care facility.

Similar Datasets

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