Journal article
Molecular Comparison of Bacterial Communities on Peripheral Intravenous Catheters and Matched Skin Swabs
PLoS One, Vol.11(1), e0146354
2016
PMCID: PMC4701133
PMID: 26731737
Appears in UniSC Supported Open Access Outputs
Abstract
Skin bacteria at peripheral intravenous catheter (PIVC) insertion sites pose a serious risk of microbial migration and subsequent colonisation of PIVCs, and the development of catheter related bloodstream infections (CRBSIs). Common skin bacteria are often associated with CRBSIs, therefore the bacterial communities at PIVC skin sites are likely to have major implications for PIVC colonisation. This study aimed to determine the bacterial community structures on skin at PIVC insertion sites and to compare the diversity with associated PIVCs. A total of 10 PIVC skin site swabs and matching PIVC tips were collected by a research nurse from 10 hospitalised medical/surgical patients at catheter removal. All swabs and PIVCs underwent traditional culture and high-throughput sequencing. The bacterial communities on PIVC skin swabs and matching PIVCs were diverse and significantly associated (correlation coefficient = 0.7, p <0.001). Methylobacterium spp. was the dominant genus in all PIVC tip samples, but not so for skin swabs. Sixty-one percent of all reads from the PIVC tips and 36% of all reads from the skin swabs belonged to this genus. Staphylococcus spp., (26%), Pseudomonas spp., (10%) and Acinetobacter spp. (10%) were detected from skin swabs but not from PIVC tips. Most skin associated bacteria commonly associated with CRBSIs were observed on skin sites, but not on PIVCs. Diverse bacterial communities were observed at skin sites despite skin decolonization at PIVC insertion. The positive association of skin and PIVC tip communities provides further evidence that skin is a major source of PIVC colonisation via bacterial migration but microbes present may be different to those traditionally identified via culture methods. The results provide new insights into the colonisation of catheters and potential pathogenesis of bacteria associated with CRBSI, and may assist in developing new strategies designed to reduce the risk of CRBSI.
Details
- Title
- Molecular Comparison of Bacterial Communities on Peripheral Intravenous Catheters and Matched Skin Swabs
- Authors
- Md Abu Choudhury (Author) - Griffith UniversityNicole Marsh (Author) - Griffith UniversityShahera Banu (Author) - Queensland University of TechnologyDavid L Paterson (Author) - University of QueenslandClaire M Rickard (Author) - Griffith UniversityDavid J McMillan (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
- Publication details
- PLoS One, Vol.11(1), e0146354; 13
- Publisher
- Public Library of Science
- Date published
- 2016
- DOI
- 10.1371/journal.pone.0146354
- ISSN
- 1932-6203
- PMID
- 26731737; PMC4701133
- Copyright note
- Copyright © 2016 Choudhury et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
- Data Availability
- All next-generation; sequencing data files are available from the NIH; Sequence Read Archive (SRA) database (accession; number SRP065095).
- Organisation Unit
- School of Health and Sport Sciences - Legacy; School of Science, Technology and Engineering; Centre for Bioinnovation
- Language
- English
- Record Identifier
- 99449596202621
- Output Type
- Journal article
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- Domestic collaboration
- Web Of Science research areas
- Microbiology
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