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Early detection of metallo-β-lactamase NDM-1- and OXA-23 carbapenemase-producing Acinetobacter baumannii in Libyan hospitals

Overview of attention for article published in International Journal of Antimicrobial Agents, April 2016
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Title
Early detection of metallo-β-lactamase NDM-1- and OXA-23 carbapenemase-producing Acinetobacter baumannii in Libyan hospitals
Published in
International Journal of Antimicrobial Agents, April 2016
DOI 10.1016/j.ijantimicag.2016.03.007
Pubmed ID
Authors

Najla Mathlouthi, Allaaeddin Ali El Salabi, Mariem Ben Jomàa-Jemili, Sofiane Bakour, Charbel Al-Bayssari, Abdulaziz A. Zorgani, Abdulmajeed Kraiema, Omar Elahmer, Liliane Okdah, Jean-Marc Rolain, Chedly Chouchani

Abstract

Acinetobacter baumannii is an opportunistic pathogen causing various nosocomial infections. The aim of this study was to characterise the molecular support of carbapenem-resistant A. baumannii clinical isolates recovered from two Libyan hospitals. Bacterial isolates were identified by matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry (MALDI-TOF/MS). Antibiotic susceptibility testing was performed using disk diffusion and Etest methods, and carbapenem resistance determinants were studied by PCR amplification and sequencing. Multilocus sequence typing (MLST) was performed for typing of the isolates. All 36 imipenem-resistant isolates tested were identified as A. baumannii. The blaOXA-23 gene was detected in 29 strains (80.6%). The metallo-β-lactamase blaNDM-1 gene was detected in eight isolates (22.2%), showing dissemination of multidrug-resistant (MDR) A. baumannii in Tripoli Medical Center and Burn and Plastic Surgery Hospital in Libya, including one isolate that co-expressed the blaOXA-23 gene. MLST revealed several sequence types (STs). Imipenem-resistant A. baumannii ST2 was the predominant clone (16/36; 44.4%). This study shows that NDM-1 and OXA-23 contribute to antibiotic resistance in Libyan hospitals and represents the first incidence of the association of these two carbapenemases in an autochthonous MDR A. baumannii isolated from patients in Libya, indicating that there is a longstanding infection control problem in these hospitals.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 54 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 54 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 8 15%
Student > Master 7 13%
Student > Ph. D. Student 7 13%
Student > Bachelor 6 11%
Other 3 6%
Other 9 17%
Unknown 14 26%
Readers by discipline Count As %
Immunology and Microbiology 12 22%
Biochemistry, Genetics and Molecular Biology 9 17%
Medicine and Dentistry 6 11%
Pharmacology, Toxicology and Pharmaceutical Science 2 4%
Agricultural and Biological Sciences 2 4%
Other 5 9%
Unknown 18 33%
Attention Score in Context

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 26 May 2016.
All research outputs
#20,674,485
of 25,394,764 outputs
Outputs from International Journal of Antimicrobial Agents
#2,460
of 3,032 outputs
Outputs of similar age
#232,576
of 312,564 outputs
Outputs of similar age from International Journal of Antimicrobial Agents
#38
of 46 outputs
Altmetric has tracked 25,394,764 research outputs across all sources so far. This one is in the 10th percentile – i.e., 10% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,032 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 22.3. This one is in the 10th percentile – i.e., 10% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 312,564 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 13th percentile – i.e., 13% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 46 others from the same source and published within six weeks on either side of this one. This one is in the 10th percentile – i.e., 10% of its contemporaries scored the same or lower than it.