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  • Molecular investigation of bacterial communities on the inner and outer surfaces of peripheral venous catheters

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    Author
    Zhang, Li
    Morrison, M.
    Nimmo, G.
    Sriprakash, K.
    Mondot, S.
    Gowardman, J.
    George, N.
    Marsh, Nicole
    Rickard, Claire
    Year published
    2013
    Metadata
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    Abstract
    Peripheral venous catheters (PVCs) are some of the most widely used medical devices in hospitals worldwide. PVC-related infections increase morbidity and treatment costs. The inner surfaces of PVCs are rarely examined for the population structure of bacteria, as it is generally believed that bacteria at this niche are similar to those on the external surface of PVCs. We primarily test this hypothesis and also study the effect of antibiotic treatment on bacterial communities from PVC surfaces. The inner and outer surfaces of PVCs from 15 patients were examined by 454 GS FLX Titanium 16S rRNA sequencing and the culture method. None of the PVCs were colonised according to the culture method and none of the patients had a bacteraemia. From a total of 127,536 high-quality sequence reads, 14 bacterial phyla and 268 diverse bacterial genera were detected. The number of operational taxonomic units for each sample was in the range of 86-157, even though 60 % of patients had received antibiotic treatment. Stenotrophomonas maltophilia was the predominant bacterial species in all the examined PVC samples. There were noticeable but not statistically significant differences between the inner and outer surfaces of PVCs in terms of the distribution of the taxonomic groups. In addition, the bacterial communities on PVCs from antibiotic-treated patients were significantly different from untreated patients. In conclusion, the surfaces of PVCs display complex bacterial communities. Although their significance has yet to be determined, these findings alter our perception of PVC-related infections.
    Journal Title
    European Journal of Clinical Microbiology & Infectious Diseases
    Volume
    32
    Issue
    8
    DOI
    https://doi.org/10.1007/s10096-013-1854-4
    Copyright Statement
    © 2013 Springer Berlin / Heidelberg. This is an electronic version of an article published in European Journal of Clinical Microbiology & Infectious Diseases, August 2013, Volume 32, Issue 8, pp 1083-1090. European Journal of Clinical Microbiology & Infectious Diseases is available online at: http://link.springer.com/ with the open URL of your article.
    Subject
    Clinical Nursing: Secondary (Acute Care)
    Publication URI
    http://hdl.handle.net/10072/57814
    Collection
    • Journal articles

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