TITLE

Análisis de concordancia de cuatro pruebas rápidas para la detección de Influenza A en Bogotá

AUTHOR(S)
FIGUEROA, CATALINA; NÚÑEZ, LILIAN; ARANDA, DIEGO; GÓMEZ, SANDRA; OSORIO, ELKIN; VARGAS, HERNÁN
PUB. DATE
October 2009
SOURCE
Universitas Médica;oct-dic2009, Vol. 50 Issue 4, p444
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Rapidity, effectiveness and opportunity of influenza diagnosis make easy confirmed cases handling at therapeutic level most of all considering actual state of pandemic virus A H1N1/2009. Objective: To analyze agreement of four quick tests for Influenza A detection of in Bogotá. Methods: In a cross sectional fashion it was compared four quick tests designed for influenza detection (Quick Vue Influenza A + B; Directigen Ez Flu A + B®; SD Bioline Influenza Antigen® and Clearview Exact Influenza A and B®) in 57 nasopharynxeal hyssoped examples of suspicious patients of pandemic A H1N1/2009 virus, all of them were previously analyzed by real-time PCR and classified as positive for that virus. Results: Behavior of fast tests valued by its global agreement against test of reference fluctuated between 68.19% and 74,47%, without significant statistical differences among them (p=0,95). Neither significant statistical differences were found upon valuing proportion of agreement among positives each one of fast tests with reference test. Conclusions: There are some works on behalf or against of influenza rapid tests, and some of them emphasizes their low sensibility and specificity against other techniques, like direct inmunofluorescence, viral culture and RT-PCR. Nevertheless, in order to face the actual viral AH1N1/2009 pandemic, different strategies of public health surviellance, (including sentinel and conglomerate studies), could be implemented. Influenze Rapid tests (making exclusion of trade mark) would be serviceable by their operative characteristics, low cost and high possibility of identify new cases and by that way, it would possible emergence services decongestion and fast adjustment of measures in Public Health.
ACCESSION #
50141827

 

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