Six Adult Cases of Respiratory Complications Caused by Pandemic 2009 Influenza A (H1N1) Compared to Seasonal Influenza

  • MIKAMI Yu
    Department of Respiratory Medicine, National Hospital Organization Tokyo National Hospital
  • ARIGA Haruyuki
    Department of Respiratory Medicine, National Hospital Organization Tokyo National Hospital
  • OHSHIMA Nobuharu
    Department of Respiratory Medicine, National Hospital Organization Tokyo National Hospital
  • NAGAI Hideaki
    Department of Respiratory Medicine, National Hospital Organization Tokyo National Hospital

Bibliographic Information

Other Title
  • 新型インフルエンザ A の感染を契機に呼吸器疾患を合併し入院となった成人例 6 例の臨床的検討と季節性インフルエンザとの比較
  • シンガタ インフルエンザ A ノ カンセン オ ケイキ ニ コキュウキ シッカン オ ガッペイ シ ニュウイン ト ナッタ セイジンレイ 6レイ ノ リンショウテキ ケントウ ト キセツセイ インフルエンザ ト ノ ヒカク

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Abstract

The first case in Japan of 2009 pandemic influenza A (H1N1) was reported in May, with pediatric hospitalization exceeding that of adults. We evaluated six adults hospitalized for 2009 H1N1 respiratory complications and compared the pandemic to seasonal influenza. Hospitalization was due to aggravated asthma in four of the six, two of whom had simultaneous pneumonia probably virus-caused, and two cases of bacterial pneumonia. Among the three seasons examined, the number of adults increased slightly but the hospitalization rate was low in 2009-2010. Respiratory complications such as viral pneumonia were not seen outside of 2009-2010. Attention should therefore be paid to respiratory complications in adults with pandemic 2009 influenza A (H1N1) virus.

Journal

  • Kansenshogaku Zasshi

    Kansenshogaku Zasshi 85 (2), 144-149, 2011

    The Japanese Association for Infectious Diseases

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