Abstract:
BACKGROUND:Health care-associated opportunistic pathogens Staphylococcus aureus and Enterococcus faecium persist on dry environments and can contribute to organism transmission through contact. These organisms can be monitored on surfaces by culture, molecular methods, or metabolic assays. This study was designed to determine the kinetics of bacterial persistence on acrylonitrile butadiene styrene, a plastic commonly used in the manufacture of bedrails. MATERIALS AND METHODS:Polymerase chain reaction for genomic DNA was used to confirm the presence of bacteria cells on this plastic irrespective of viability. Bacterial viability was measured by culture, ATP quantification, and a metabolic assay at time points up to and longer than 1 year. RESULTS:Polymerase chain reaction confirmed the presence of bacteria on the plastic for the entire time period studied. However, S aureus culturability was reduced after 3 and 7 weeks; neither organism was culturable after 1 year. At 7 weeks, ATP levels were reduced for both organisms, paralleling S aureus culturability but indicating that ATP quantification did not predict E faecium culturability. S aureus-reducing potential was reduced after 7 weeks, whereas E faecium-reducing potential reached the level of fresh inoculum after 12 hours in broth culture. Low but significant levels of metabolic activity were detected for each organism after 1 year. CONCLUSIONS:S aureus and E faecium cells may retain viability on plastic for longer than 1 year.
journal_name
Am J Infect Controljournal_title
American journal of infection controlauthors
Heller LC,Edelblute CMdoi
10.1016/j.ajic.2017.07.027subject
Has Abstractpub_date
2018-01-01 00:00:00pages
50-53issue
1eissn
0196-6553issn
1527-3296pii
S0196-6553(17)30943-4journal_volume
46pub_type
杂志文章abstract::The concept of nosocomial versus community-acquired infection is an important one in terms of hospital surveillance and infection control. Risk factors, time of onset, and type of organism are presented in tabular form to assist in classifying infection in the newborn. ...
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journal_title:American journal of infection control
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journal_title:American journal of infection control
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journal_title:American journal of infection control
pub_type: 杂志文章
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journal_title:American journal of infection control
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journal_title:American journal of infection control
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更新日期:2019-08-01 00:00:00
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journal_title:American journal of infection control
pub_type: 杂志文章,评审
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journal_title:American journal of infection control
pub_type: 杂志文章
doi:10.1016/j.ajic.2011.02.014
更新日期:2011-12-01 00:00:00
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journal_title:American journal of infection control
pub_type: 杂志文章
doi:10.1016/j.ajic.2017.02.036
更新日期:2017-09-01 00:00:00
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journal_title:American journal of infection control
pub_type: 杂志文章
doi:10.1016/j.ajic.2017.10.023
更新日期:2018-05-01 00:00:00
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pub_type: 杂志文章
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journal_title:American journal of infection control
pub_type: 杂志文章
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journal_title:American journal of infection control
pub_type: 杂志文章,meta分析
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journal_title:American journal of infection control
pub_type: 杂志文章,评审
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更新日期:2008-06-01 00:00:00
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journal_title:American journal of infection control
pub_type: 杂志文章
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更新日期:2014-12-01 00:00:00
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journal_title:American journal of infection control
pub_type: 杂志文章
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更新日期:2020-11-01 00:00:00
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journal_title:American journal of infection control
pub_type: 杂志文章
doi:10.1016/j.ajic.2016.03.011
更新日期:2016-08-01 00:00:00
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journal_title:American journal of infection control
pub_type: 杂志文章
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更新日期:2019-12-01 00:00:00
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journal_title:American journal of infection control
pub_type: 杂志文章,评审
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更新日期:2006-06-01 00:00:00
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journal_title:American journal of infection control
pub_type: 杂志文章
doi:10.1016/j.ajic.2020.02.004
更新日期:2020-10-01 00:00:00