A 3‐Year Follow‐Up Study of Anti‐<i>Legionella</i> Antibodies in Users of Japanese 24‐Hour Hot Water Baths
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- Irie Masahiro
- Institute of Health Science, Kyushu University
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- Miyamoto Hiroshi
- Department of Microbiology, School of Medicine, University of Occupational and Environmental Health
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- Ikeda Masato
- Department of Occupational Health Economics, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health
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- Yoshida Shin-ichi
- Department of Bacteriology, Graduate School of Medical Sciences, Kyushu University
書誌事項
- タイトル別名
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- A 3-Year Follow-Up Study of Anti-Legionella Antibodies in Users of Japanese 24-Hour Hot Water Baths
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説明
Although it has been found that legionellae can exist in a 24-h hot water bath (24HHWB), which has been used recently in Japan, whether longer use of the 24HHWB causes legionellosis is unclear. The present longitudinal study was conducted in 2000 to investigate the 3-yr change in antibody titers in association with the continuous use, non-use, or canceling the use of the 24HHWB, and possible factors relating to the antibody changes. Ninety-two subjects (85 males and 7 females), who had had their anti-Legionella pneumophila (Lp) serum antibody titers measured in our initial study in 1997 and consented to blood sampling 3 yr later, were selected as subjects. There were no clinical cases who had experienced Legionnaires' disease or Pontiac fever during the 3 yr. The continuous users showed no significant changes in antibody titers within 3 yr, whereas the continuous non-users had a significant increase in antibody titers against the Lp serogroup (SG) 5 and 6. Eleven ex-users of the 24HHWB showed a significant decrease in antibody titers against Lp SG 6. The changes in the 24HHWB use, job sector, stress coping strategies, and alcohol-drinking habit were associated with the changes in antibody titers against Lp SG 1, 5 or 6. The anti-Lp antibodies were considered to be IgM dominant. In conclusion, this study indicates that 24HHWB use by healthy subjects does not tend to result in a higher onset risk of legionellosis, even if it is continuously used for 3 yr, although 24HHWB use is likely to induce production of antibodies against legionellae.<br>
収録刊行物
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- journal of Occupational Health
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journal of Occupational Health 46 (1), 68-77, 2004
公益社団法人 日本産業衛生学会
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詳細情報 詳細情報について
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- CRID
- 1390282679433047168
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- NII論文ID
- 10012080989
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- NII書誌ID
- AA11090645
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- ISSN
- 13489585
- 13419145
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- NDL書誌ID
- 6843457
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- PubMed
- 14960832
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- 本文言語コード
- en
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- データソース種別
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- JaLC
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