Comparison of Three Rapid Diagnostic Kits Using Immunochromatography for Detection of Influenza A Virsuses

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  • HARA Michimaru
    Hara Pediatric Clinic
  • TAKAO Shinichi
    Division of 2nd Microbiolpgy, Hiroshima Prefectural Institute of Public Health and Environmental Science
  • FUKUDA Shinji
    Division of 2nd Microbiolpgy, Hiroshima Prefectural Institute of Public Health and Environmental Science
  • SHIMAZU Yukie
    Division of 2nd Microbiolpgy, Hiroshima Prefectural Institute of Public Health and Environmental Science
  • MIYAZAKI Kazuo
    Division of 2nd Microbiolpgy, Hiroshima Prefectural Institute of Public Health and Environmental Science

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Other Title
  • A型インフルエンザに対する3種類のイムノクロマト法迅速診断キットの比較検討
  • Aガタ インフルエンザ ニ タイスル 3シュルイ ノ イムノクロマトホウ ジンソク シンダン キット ノ ヒカク ケントウ

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Description

In 2004, 3 new rapid influenza diagnostic kits using immunochromatography that allow type differentiation became commercially available. They are the ESPLINE Influenza A & B-N (Fujirebio Corp., Japan: ESPLINE-N hereafter), Quick Vue Rapid SP influ (Quidel Corp., USA: Quick Vue), and POCTEM INFLUENZA A/B (INTERNATIONAL REAGENTS Corp., Japan: POCTEM).<BR>The authors performed a prospective study that compared the usefulness among the 3 kits in 151 children with suspected influenza, who were examined within 3 days after onset, between January and March, 2004.<BR>Nasopharyngeal aspirates were collected, and viruses were isolated. The residual samples were diluted and centrifuged, and the supernatant was used for the rapid diagnosis tests. Influenza virus AH3 was isolated in 95 children and influenza B virus in 3.<BR>In the 95 children with influenza virus AH3, the sensitivity and specificity of ESPLINE-N were 100% and 100%, respectively, those of Quick Vue were 99% and 91%, and those of POCTEM were 91% and 100%. The sensitivity of POCTEM was significantly lower than that of the other 2 kits (p<0.01), and the specificity of Quick Vue was significantly lower than that of the other 2 kits (p<0.05).<BR>Examination was performed within 1 day after onset in 55 of the 95 children, including 30 who underwent examination within 6 hours after the development of fever. The body temperature was less than 38.0°C in 14 of the 95 children. In all children including these children, virus detection was possible by ESPLINE-N.<BR>ESPLINE-N allowed very accurate diagnosis of influenza A using samples prepared by diluting and centrifuging nasopharyngeal aspirates.

Journal

  • Kansenshogaku Zasshi

    Kansenshogaku Zasshi 78 (11), 935-942, 2004

    The Japanese Association for Infectious Diseases

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