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  • Asymptomatic bacteriuria: prevalence rates of causal microorganisms, etiology of infection in different patient populations, and recent advances in molecular detection

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    Author(s)
    Ipe, Deepak S
    Sundac, Lana
    Benjamin, William H
    Moore, Kate H
    Ulett, Glen C
    Griffith University Author(s)
    Ulett, Glen C.
    Year published
    2013
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    Abstract
    Bacteriuria, or the presence of bacteria in urine, is associated with both asymptomatic, as well as symptomatic urinary tract infection and underpins much of the dynamic of microbial colonization of the urinary tract. The prevalence of bacteriuria in dissimilar patient groups such as healthy adults, institutionalized elderly, pregnant women, and immune-compromised patients varies widely. In addition, assessing the importance of 'significant bacteriuria' in infected individuals represents a diagnostic challenge, partly due to various causal microbes, and requires careful consideration of the distinct etiologies of bacteriuria ...
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    Bacteriuria, or the presence of bacteria in urine, is associated with both asymptomatic, as well as symptomatic urinary tract infection and underpins much of the dynamic of microbial colonization of the urinary tract. The prevalence of bacteriuria in dissimilar patient groups such as healthy adults, institutionalized elderly, pregnant women, and immune-compromised patients varies widely. In addition, assessing the importance of 'significant bacteriuria' in infected individuals represents a diagnostic challenge, partly due to various causal microbes, and requires careful consideration of the distinct etiologies of bacteriuria in different populations and circumstances. Recent molecular discoveries have revealed how some bacterial traits can enable organisms to grow in human urine, which, as a fitness adaptation, is likely to influence the progression of bacteriuria in some individuals. In this review, we comprehensively analyze currently available data on the prevalence of causal organisms with a focus on asymptomatic bacteriuria in dissimilar populations. We evaluate recent advances in the molecular detection of bacteriuria from a diagnostic viewpoint, and briefly discuss the potential benefits and some of the challenges of these approaches. Overall, this review provides an update on the comparative prevalence and etiology of bacteriuria from both microbiological and clinical perspectives.
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    Journal Title
    FEMS Microbiology Letters
    Volume
    346
    Issue
    1
    DOI
    https://doi.org/10.1111/1574-6968.12204
    Copyright Statement
    © 2013 Federation of European Microbiological Societies. Published by Blackwell Publishing Ltd. This is the author-manuscript version of the paper. Reproduced in accordance with the copyright policy of the publisher.The definitive version is available at http://onlinelibrary.wiley.com/
    Subject
    Biological sciences
    Agricultural, veterinary and food sciences
    Biomedical and clinical sciences
    Medical bacteriology
    Publication URI
    http://hdl.handle.net/10072/55531
    Collection
    • Journal articles

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