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Therapeutic Options for Infections Due to vanB Genotype Vancomycin-Resistant Enterococci

Authors: Riccardi, Niccolò; Monticelli, Jacopo; Antonello, Roberta Maria; Di Lallo, Gustavo; Frezza, Domenico; Luzzati, Roberto; Di Bella, Stefano;

Therapeutic Options for Infections Due to vanB Genotype Vancomycin-Resistant Enterococci

Abstract

Enterococci are ubiquitous, facultative, anaerobic Gram-positive bacteria that mainly reside, as part of the normal microbiota, in the gastrointestinal tracts of several animal species, including humans. These bacteria have the capability to turn from a normal gut commensal organism to an invasive pathogen in patients debilitated by prolonged hospitalization, concurrent illnesses, and/or exposed to broad-spectrum antibiotics. The majority of vancomycin-resistant enterococcus (VRE) infections are linked to the vanA genotype; however, outbreaks caused by vanB-type VREs have been increasingly reported, representing a new challenge for effective antimicrobial treatment. Teicoplanin, daptomycin, fosfomycin, and linezolid are useful antimicrobials for infections due to vanB enterococci. In addition, new drugs have been developed ( e.g ., dalbavancin, telavancin, and tedizolid), new molecules will soon be available ( e.g ., eravacycline, omadacycline, and oritavancin), and new treatment strategies are progressively being used in clinical practice ( e.g ., combination therapies and bacteriophages). The aim of this article is to discuss the pathogenesis of infections due to enterococci harboring the vanB operon (vanBVRE) and their therapeutic, state-of-the-art, and future treatment options and provide a comprehensive and easy to use review for clinical purposes.

Country
Italy
Keywords

VRE, 610, Microbial Sensitivity Tests, Settore MEDS-03/A - Microbiologia e microbiologia clinica, Settore MED/07 - MICROBIOLOGIA E MICROBIOLOGIA CLINICA, Settore BIOS-15/A - Microbiologia, VRE; antibiotics; infections, Anti-Bacterial Agents, Vancomycin-Resistant Enterococci, Genes, Bacterial, antibiotic, 616, Humans, infections, Settore BIO/19 - MICROBIOLOGIA GENERALE, Gram-Positive Bacterial Infections

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    15
    popularity
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    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
15
Top 10%
Average
Top 10%
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