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Characteristics of spontaneous coagulase-negative staphylococcal spondylodiscitis: a retrospective comparative study versus Staphylococcus aureus spondylodiscitis

Overview of attention for article published in BMC Infectious Diseases, October 2017
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Title
Characteristics of spontaneous coagulase-negative staphylococcal spondylodiscitis: a retrospective comparative study versus Staphylococcus aureus spondylodiscitis
Published in
BMC Infectious Diseases, October 2017
DOI 10.1186/s12879-017-2783-0
Pubmed ID
Authors

Julien Lopez, Zuzana Tatar, Anne Tournadre, Marion Couderc, Bruno Pereira, Martin Soubrier, Jean-Jacques Dubost

Abstract

Coagulase-negative staphylococci (CoNS) are increasingly implicated in recent patient series of spondylodiscitis, but there are no series of CoNS-spondylodiscitis available. The objective of this study was to compare the characteristics of patients with spontaneous CoNS-spondylodiscitis with those patients with Staphylococcus aureus (SA) spondylodiscitis. This was a retrospective single center study involving 147 spontaneous infectious spondylodiscitis cases observed between 2000 and 2015. The 26 cases of CoNS-spondylodiscitis (15 confirmed) were compared with 30 cases of SA-spondylodiscitis. CoNS infection was considered confirmed if the same CoNS was isolated in at least two samples at two different times. Patients with CoNS-spondylodiscitis were older (70 vs. 61 years of age; p = 0.01), had associated cancer more often (15% vs. 0%; p = 0.04) and had a longer diagnostic delay (>15 days in 88% vs. 60%; p = 0.01); experienced fever less often (19% vs. 50%; p = 0.01), and had lower white blood cell (7.6 vs. 9.9G/L; p = 0.01) and polymorphonuclear leucocyte counts (5.6 vs. 7.5G/L; p = 0.04). Patients with CoNS spondylodiscitis had less pronounced inflammatory syndrome (erythrocyte sedimentation rate [ESR]: 62 vs. 81 mm at 1 h; p = 0.03; CRP: 60 vs. 147 mg/L; p = 0.0003) and less common (ESR < 30 mm: 23% vs. 0%; p = 0.01; CRP < 10 mg/L: 23% vs. 0%; p = 0.005) in comparison with patients with SA infection. The infection entry site was most often an intravascular catheter (20% vs. 3%; p = 0.008). The level of positive percutaneous needle biopsies was comparable between CoNS and SA. Two patients who died both had SA infections. CoNS-spondylodiscitis involved at least 10% of spontaneous spondylodiscitis cases and was more common in elderly patients, afflicted by comorbidities, and its presentation was less virulent than that of those with SA-spondylodiscitis.

Twitter Demographics

The data shown below were collected from the profile of 1 tweeter who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 22 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 22 100%

Demographic breakdown

Readers by professional status Count As %
Other 6 27%
Student > Ph. D. Student 4 18%
Student > Master 3 14%
Researcher 3 14%
Unspecified 2 9%
Other 4 18%
Readers by discipline Count As %
Medicine and Dentistry 14 64%
Biochemistry, Genetics and Molecular Biology 2 9%
Unspecified 2 9%
Nursing and Health Professions 1 5%
Mathematics 1 5%
Other 2 9%

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 17 October 2017.
All research outputs
#10,643,827
of 12,002,078 outputs
Outputs from BMC Infectious Diseases
#3,863
of 4,443 outputs
Outputs of similar age
#238,709
of 284,435 outputs
Outputs of similar age from BMC Infectious Diseases
#240
of 296 outputs
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So far Altmetric has tracked 4,443 research outputs from this source. They receive a mean Attention Score of 4.3. 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 296 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.