Document Detail


Early detection of influenza A and B infection in infants and children using conventional and fluorescence-based rapid testing.
MedLine Citation:
PMID:  22921515     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: The appropriate management of infants and children with influenza depends on the accurate and timely diagnosis, ideally at the point of care (POC). OBJECTIVES: To evaluate the use of simultaneous RSV/influenza rapid testing with QuickVue™ test strips as well as (the use of) novel, fluorescence-based, rapid influenza antigen testing (SOFIA™) in infants and children with influenza-like illness (ILI). STUDY DESIGN: The Study was conducted in a real-time surveillance program at the Charité Department of Pediatrics in collaboration with the National Reference Centre for Influenza at the Robert Koch Institute (RKI) in Berlin, Germany (Charité Influenza-Like Disease=ChILD Cohort). RESULTS: During the 2010/2011 influenza season, 395 infants and children were simultaneously tested using QuickVue™ FluA&B and RSV10 rapid tests at POC compared to independent RT-PCR. Sensitivities were 62.7/67.8% for Influenza/RSV overall, but highest in infants <1 year with 76.0/76.2%. The evaluation of the fluorescence-based rapid test SOFIA™ with frozen laboratory samples (derived from the 2008/2009 and 2010/2011 national surveillance) yielded sensitivities of 97.7/86.7/86.7/81.7% for influenza A(H1N1)pdm09/A(H3N2)/B-Victoria/B-Yamagata in samples with CT values <34, and 80.2/79.8/67.5/62.5% for all CT values combined. The same method used at POC with 649 consecutive ChILD patients in 2011-2012 yielded sensitivity/specificity/PPV/NPV values of 78.9/99.7/96.6/97.3%. Again, sensitivities were highest in infants (85.7%) and small children <2 years (88%). CONCLUSIONS: Fluorescence-based rapid antigen testing provides a highly sensitive and specific tool for POC diagnostics of acute influenza in the paediatric age group, especially in infants and small children <2 years, when viral loads are at their peak and treatment decisions are imminent.
Authors:
Barbara Rath; Franziska Tief; Patrick Obermeier; Ewelina Tuerk; Katharina Karsch; Susann Muehlhans; Eleni Adamou; Susanne Duwe; Brunhilde Schweiger
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-23
Journal Detail:
Title:  Journal of clinical virology : the official publication of the Pan American Society for Clinical Virology     Volume:  -     ISSN:  1873-5967     ISO Abbreviation:  J. Clin. Virol.     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-8-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9815671     Medline TA:  J Clin Virol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier B.V. All rights reserved.
Affiliation:
Department of Paediatrics, Division of Pneumonology-Immunology, Charité University Medical Centre, Augustenburger Platz 1, Berlin, Germany.
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