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Evaluation and subsequent optimizations of the quantitative AmpliSens Florocenosis/Bacterial vaginosis-FRT multiplex real-time PCR assay for diagnosis of bacterial vaginosis
Central Research Institute for Epidemiology, Moscow, Russia.
Laboratory of Microbiology, D.O. Ott Research Institute of Obstetrics, Gynaecology and Reproductology, St. Petersburg, Russia; Department of Laboratory Medicine, Microbiology, WHO Collaborating Centre for Gonorrhoea and Other STIs, Faculty of Medicine and Health, Örebro University, Örebro, Sweden.
Central Research Institute for Epidemiology, Moscow, Russia.
Örebro University, School of Health Sciences. Department of Laboratory Medicine, Microbiology, WHO Collaborating Centre for Gonorrhoea and Other STIs.
2016 (English)In: Acta Pathologica, Microbiologica et Immunologica Scandinavica (APMIS), ISSN 0903-4641, E-ISSN 1600-0463, Vol. 124, no 12, 1099-1108 p.Article in journal (Refereed) Published
Abstract [en]

Traditional microscopy-based methods for diagnosis of bacterial vaginosis (BV) are underutilized in many settings, and molecular techniques may provide opportunities for rapid, objective, and accurate BV diagnosis. This study evaluated the quantitative AmpliSens Florocenosis/Bacterial vaginosis-FRT multiplex real-time PCR (Florocenosis-BV) assay. Vaginal samples from a previous study including unselected female subjects (n = 163) and using Amsel criteria and 454 pyrosequencing for BV diagnosis were examined with the Florocenosis-BV test and additionally tested for the presence and quantity of Gardnerella vaginalis clades 3 and 4. The Florocenosis-BV assay demonstrated 100% and 98% sensitivity compared with the Amsel criteria and 454 pyrosequencing, respectively, with 91% specificity. The modified Florocenosis-BV assay (detecting also G. vaginalis clades 3 and 4) resulted in 100% sensitivity vs the Amsel criteria and 454 pyrosequencing with specificity of 86% and 88%, respectively. Further optimizations of thresholds for the quantitative parameters used in the kit resulted in 99-100% accuracy vs Amsel criteria and 454 pyrosequencing for selected parameters. The Florocenosis-BV assay is an objective, accurate, sensitive, and specific method for BV diagnosis; however, the performance of the test can be further improved with some minor optimizations.

Place, publisher, year, edition, pages
Hoboken, USA: Wiley-Blackwell Publishing Inc., 2016. Vol. 124, no 12, 1099-1108 p.
Keyword [en]
Bacterial vaginosis; Amsel criteria; vaginal microbiota; Lactobacillus; Gardnerella vaginalis; Atopobium vaginae; Florocenosis–BV real-time PCR
National Category
Biomedical Laboratory Science/Technology Immunology in the medical area Microbiology in the medical area
Identifiers
URN: urn:nbn:se:oru:diva-52874DOI: 10.1111/apm.12608ISI: 000388265700011PubMedID: 27714844Scopus ID: 2-s2.0-84995639450OAI: oai:DiVA.org:oru-52874DiVA: diva2:1034252
Note

Funding Agencies:

Örebro County Council Research Committee

Foundation for Medical Research at Örebro University Hospital, Sweden

Available from: 2016-10-11 Created: 2016-10-10 Last updated: 2017-10-18Bibliographically approved

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