半夏瀉心湯によると思われる薬剤性肺臓炎の1例 Pneumonitis due to Hangeshashin-to

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半夏瀉心湯による薬剤性肺臓炎の1例を報告した. 症例は72歳の女性で, 口内炎の治療のため半夏瀉心湯と白虎加人参湯を内服したところ, 8ヵ月後に労作時息切れと胸部X線写真上びまん性の斑状影が出現し, 間質性肺炎の疑いで入院した. 薬剤性肺臓炎を疑い, 内服薬を中止したところ, 臨床症状, 胸部X線写真の改善を認めた. 気管支肺胞洗浄の検査では, リンパ球の増加とCD4/CD8比の低下を認め, 肺生検の組織像では, 細気管支周辺および肺胞壁に, リンパ球を主とする細胞浸潤を認めた. 白血球遊走阻止試験では, 半夏瀉心湯に対し陽性を示し, 半夏瀉心湯による薬剤性肺臓炎と思われた. 当薬剤による薬剤性間質性肺炎の報告は, 本邦で第1例目と思われる.

A 72-year-old woman was admitted to our hospital because of dyspnea and abnormal shadows on a chest X-ray film. The X-ray film revealed diffuse reticular and patchy shadows in both lung fields. Drug-induced pneumonitis was suspected, and all drug treatment was stopped. The symptoms were relieved and the X-ray findings improved markedly.<br>In bronchoalveolar lavage fluid, the lymphocyte percentage was high and the CD4/CD8 ratio was low. Microscopic examination of open-lung biopsy specimens showed pneumonitis, dominant lymphocyte invasion within peribronchiolar and alveolar interstitia. The result of leukocyte migration inhibition test was positive for Hangeshashin-to and Byakkokaninjin-to, and lymphocyte stimulation test was positive for Hange, an ingredient of Hangeshashin-to.<br>Based on these findings, we diagnosed as pneumonitis induced by Hangeshashin-to. To our knowledge, there has been no previous report of pulmonary hypersensitivity induced by Hangeshashin-to in Japan.

収録刊行物

  • 日本胸部疾患学会雑誌 = The Japanese journal of thoracic diseases

    日本胸部疾患学会雑誌 = The Japanese journal of thoracic diseases 34(9), 983-988, 1996-09-25

    The Japanese Respiratory Society

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各種コード

  • NII論文ID(NAID)
    10008110970
  • NII書誌ID(NCID)
    AN00187758
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03011542
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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