ArticleEuropean journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology2017
Evaluation of the novel artus C. difficile QS-RGQ, VanR QS-RGQ and MRSA/SA QS-RGQ assays for the laboratory diagnosis of Clostridium difficile infection (CDI), and for vancomycin-resistant enterococci (VRE) and methicillin-resistant Staphylococcus aureus (MRSA) screening.
Article in European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 3 citations in OpenAlex.
- Laboratory Tests for the Diagnosis ofClinics in colon and rectal surgery · 2020Review
- Incidence of genes encoding vanA/vanB vancomycin resistance in rectal swabs of patients with diagnosed cancer, on the day of admission to hospital, in a non-epidemic period.Przeglad gastroenterologiczny · 2020Article
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3 authors at 3 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Clostridium difficile, methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant enterococci (VRE) are worldwide prevalent healthcare-associated pathogens. We have evaluated three Qiagen artus QS-RGQ assays for the detection of these pathogens. We examined 200 stool samples previously tested for C. difficile infection (CDI), 94 rectal swabs previously screened for VRE and 200 MRSA screening nasal swabs. With the routine diagnostic laboratory results being adopted as the gold standard, the sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of the artus C. difficile assay were 100%, for the artus VanR QS-RGQ assay, 95, 68, 44 and 98%, and for the artus MRSA/SA assay, 80, 94, 93 and 83%, respectively. The artus VanR assay detected the vanA and/or vanB genes in 32% of culture-negative VRE screens; in 71% of these cases, only vanB was detected. An over-estimation of the rate of faecal VRE colonisation could be due to a patient population with high rates of faecal carriage of non-enterococcal species carrying vanB. Based on our findings, we conclude that all three artus QS-RGQ assays could be a useful addition to a diagnostic laboratory, and that the optimal choice of assay should be determined according to user needs.
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