Annals of Clinical Microbiology, The official Journal of the Korean Society of Clinical Microbiology

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pISSN 2288-0585 eISSN 2288-6850

Cross-Correlation Analysis of the Incidence of Multidrug-Resistant Organisms with Hand Hygiene Compliance and Effectiveness of Alcohol-Gel Hand Hygiene Practice

Original article

Annals of Clinical Microbiology (Ann Clin Microbiol) 2020 December, Volume 23, Issue 4, pages 233-239.

https://doi.org/10.5145/ACM.2020.23.4.2

Cross-Correlation Analysis of the Incidence of Multidrug-Resistant Organisms with Hand Hygiene Compliance and Effectiveness of Alcohol-Gel Hand Hygiene Practice

Eun-Hwa Baek1, Se-Eun Kim1, Da-Hye Kim1, Sunjoo Kim2,3
1Infection Control Team, 2Department of Laboratory Medicine, Gyeongsang National University Changwon Hospital, Changwon, 3Institute of Health Science Gyeongsang National University, Jinju, Korea

Abstract

Background: Multidrug- resistant organisms (MDRO) are a serious concern in healthcareassociated infections. Hand hygiene (HH) is essential to prevent the spread of MDRO in the healthcare institutes. The aim of this study was to investigate the relationship between the incidence of MDRO and hand hygiene compliance and the experimental effectiveness of alcohol-gel hand hygiene practice.

Methods: From March 2016 to September 2018, we analyzed the cross-correlation between the incidence of MDRO and the HH compliance each month at Gyeongsang National University Changwon Hospital. We employed an experiment to observe the effect of alcohol gel hand hygiene practice on the reduction of organisms on the hand surface using the handagar plates.

Results: Among the MDRO, only vancomycin-resistant enterococci (VRE) showed a moderate correlation with the HH rate (r = 0.55). The hand-agar plate experiment showed a significant bacterial reduction for inadequate HH (mean 3.47 CFU) and optimal HH (mean, 0.84 CFU) than before HH (mean, 11.56 CFU) (n = 32, P = 0.006).

Conclusion: The incidence of VRE showed a moderate correlation with HH among MDRO in the longitudinal analysis. HH practice was more effective in preventing the spread of VRE compared with other MDRO in our institute. Optimal alcohol-gel HH practice can effectively remove bacteria on the hand surface.

Keywords

Disinfection, Hand hygiene, Healthcare-associated cross infection, Infection control, Multidrug-resistant organisms