Comparison of the direct fluorescence assay and real-time polymerase chain reaction for the detection of influenza virus A and B in immunocompromised patients

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dc.contributor.authorPerosa, Ana Helena Sitta [UNIFESP]
dc.contributor.authorWatanabe, Aripuanã Sakurada Aranha [UNIFESP]
dc.contributor.authorGuatura, Sandra Baltazar [UNIFESP]
dc.contributor.authorSilva, Ellen Ricci Monteiro da [UNIFESP]
dc.contributor.authorGranato, Celso Francisco Hernandes [UNIFESP]
dc.contributor.authorBellei, Nancy Cristina Junqueira [UNIFESP]
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.date.accessioned2015-06-14T13:45:37Z
dc.date.available2015-06-14T13:45:37Z
dc.date.issued2013-09-01
dc.description.abstractOBJECTIVE: This study evaluated the diagnostic performance of two methods for the detection of influenza virus in immunocompromised transplant patients. METHODS: A total of 475 respiratory samples, 236 from patients in a hematopoietic stem cell transplantation program and 239 from kidney transplant patients, were analyzed by a direct fluorescence assay and the Centers for Disease Control real-time polymerase chain reaction protocol for influenza A and B detection. RESULTS: Influenza detection using either method was 7.6% in the hematopoietic stem cell transplant group and 30.5% in the kidney transplant patient group. Influenza detection by real-time polymerase chain reaction yielded a higher positive rate compared with fluorescence than that reported by other studies, and this difference was more pronounced for influenza A. The fluorescence assay sensitivity, specificity, positive and negative predictive values, and kappa coefficient were 17.6%, 100%, 1, 0.83, and 0.256, respectively, and lower detection rates occurred in the kidney transplant patients. CONCLUSIONS: The real-time polymerase chain reaction performance and the associated turnaround time for a large number of samples support the choice of this method for use in different routine diagnostic settings and influenza surveillance in high-risk patients.en
dc.description.affiliationFederal University of São Paulo Medicine Department Infections Disease Unit
dc.description.affiliationUnifespUNIFESP, Medicine Department Infections Disease Unit
dc.description.sourceSciELO
dc.description.sponsorshipConselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
dc.description.sponsorshipFAPESP
dc.format.extent1206-1209
dc.identifierhttp://dx.doi.org/10.6061/clinics/2013(09)05
dc.identifier.citationClinics. Faculdade de Medicina / USP, v. 68, n. 9, p. 1206-1209, 2013.
dc.identifier.doi10.6061/clinics/2013(09)05
dc.identifier.fileS1807-59322013000901206.pdf
dc.identifier.issn1807-5932
dc.identifier.issn1980-5322
dc.identifier.scieloS1807-59322013000901206
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/7953
dc.identifier.wosWOS:000326016600005
dc.language.isoeng
dc.publisherFaculdade de Medicina / USP
dc.relation.ispartofClinics
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectInfluenza Virusen
dc.subjectDiagnostic Methodsen
dc.subjectHematopoietic Stem Cell Transplanten
dc.subjectKidney Transplant Recipientsen
dc.titleComparison of the direct fluorescence assay and real-time polymerase chain reaction for the detection of influenza virus A and B in immunocompromised patientsen
dc.typeinfo:eu-repo/semantics/article
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