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Antimicrobial resistance profile of Enterococcus species isolated from intestinal tracts of hospitalized patients in Jimma, Ethiopia

Overview of attention for article published in BMC Research Notes, June 2015
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Title
Antimicrobial resistance profile of Enterococcus species isolated from intestinal tracts of hospitalized patients in Jimma, Ethiopia
Published in
BMC Research Notes, June 2015
DOI 10.1186/s13104-015-1200-2
Pubmed ID
Authors

Abdulhakim Abamecha, Beyene Wondafrash, Alemseged Abdissa

Abstract

Multi-drug-resistant Enterococci colonizing the intestinal tract of hospitalized patients are the major source of infection as well as nosocomial spread. Despite worldwide increasing rate of multidrug resistant Enterococci colonization and infection among hospitalized patients, there is scarcity of data from resource limited setting. The present study aimed at determining the antimicrobial resistance profile of Enterococcus species from intestinal tracts of hospitalized patients in Jimma, Ethiopia. The study was conducted among hospitalized patients at Jimma University Specialized Hospital, from January to July 2013. Fecal samples were collected and processed for bacterial isolation and susceptibility testing to antimicrobial agents. Stool samples were inoculated onto enterococcus selective media (Bile Esculin azide agar plate) with and without 6 µg/ml of vancomycin. The isolates were identified to genus and species level by cultural characteristics, Gram's stain, catalase test, growth in 6.5% NaCl broth, growth at 45°C, motility test and by using API 20 Streptococcus system. Sensitivity testing was done using Kirby-Bauer disk diffusion method. Minimum inhibitory concentrations for vancomycin were determined using E-test strips. Overall, Enterococci were isolated from 114 (76%) of the study subjects. The isolates were Enterococcus faecium (35.1%) followed by Enterococcus faecalis (29.8%), Enterococcus gallinarum (17.5%), Enterococcus casseliflavus (8.8%) and Enterococcus durans (8.8%). Among 114 tested Enterococci isolates, 41 (36%) were resistant to ampicillin, 62 (54.4%) to streptomycin and 39 (34.2%) to gentamycin. Other alternative antibiotics to treat mixed nosocomial infection caused by Enterococci also showed high rate of resistance in vitro: ciprofloxacin (50% of resistance), norfloxacin (49.1%), erythromycin (63.2%), tetracycline (64.9%), chloramphenicol (34.2%), and nitrofrantoin (32.4%). Multiple drug resistance was observed among 89.5% of E. faecium and E. faecalis. Vancomycin resistant Enterococci were observed in 5% of E. faecium isolates. This study reveals high rate of fecal colonization by multidrug-resistant Enterococci and prevalence of vancomycin resistance strains. Thus periodic surveillance of antibacterial susceptibilities is recommended to detect emerging resistance and to prevent the spread of antibacterial-resistant strains.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 72 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 72 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 19 26%
Student > Bachelor 9 13%
Researcher 9 13%
Student > Ph. D. Student 5 7%
Student > Postgraduate 4 6%
Other 11 15%
Unknown 15 21%
Readers by discipline Count As %
Immunology and Microbiology 14 19%
Medicine and Dentistry 12 17%
Biochemistry, Genetics and Molecular Biology 10 14%
Agricultural and Biological Sciences 4 6%
Nursing and Health Professions 3 4%
Other 10 14%
Unknown 19 26%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 04 June 2015.
All research outputs
#4,317,325
of 5,187,004 outputs
Outputs from BMC Research Notes
#1,324
of 1,644 outputs
Outputs of similar age
#143,153
of 175,002 outputs
Outputs of similar age from BMC Research Notes
#53
of 67 outputs
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So far Altmetric has tracked 1,644 research outputs from this source. They receive a mean Attention Score of 4.0. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 67 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.