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Review
. 2020 Aug;48(8):925-932.
doi: 10.1016/j.ajic.2019.11.010. Epub 2019 Dec 19.

Methicillin-resistant Staphylococcus aureus and vancomycin-resistant Enterococci co-colonization in patients: A meta-analysis

Ying Wang  1 , Timothy Bonney Oppong  1 , Xuan Liang  1 , Guangcai Duan  1 , Haiyan Yang  2
Affiliations
Review

Methicillin-resistant Staphylococcus aureus and vancomycin-resistant Enterococci co-colonization in patients: A meta-analysis

Ying Wang et al. Am J Infect Control. 2020 Aug.

Abstract

Background: Co-colonization of methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococci (VRE) may result in the transfer of drug-resistant genes. The aim of this meta-analysis was to estimate the pooled co-colonization prevalence of MRSA and VRE.

Methods: We searched PubMed, Embase, and Web of Science databases. The co-colonization prevalence of MRSA and VRE was assessed by calculating the proportion and 95% confidence intervals (CI). The random-effects model was used to calculate the pooled prevalence.

Results: Eleven eligible studies were included in this meta-analysis. The pooled co-colonization prevalence of MRSA and VRE in patients was 7% (95% CI, 5.0%-9.0%). The results of regression analysis showed that co-colonization prevalence of MRSA and VRE was related to study design, setting, screening sites, and detection methods. We found that male patients (odds ratio [OR], 1.58; 95% CI, 1.09-2.28), patients with comorbid conditions such as diabetes mellitus (OR, 1.37; 95% CI, 1.05-1.78), chronic obstructive pulmonary disease (OR, 1.88; 95% CI, 1.27-2.79), and use of indwelling devices (OR, 4.08; 95% CI, 2.21-7.53) were risk factors for co-colonization by MRSA and VRE.

Conclusions: The co-colonization prevalence of MRSA and VRE in the patients was common. Appropriate measures should be adopted to limit the horizontal transmission of MRSA and VRE to minimize the future potential for co-colonization and the transfer of resistance genes among these pathogens.

Keywords: MRSA; Prevalence; Risk factor; VRE.

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