CHANGES IN HTLV-I POSITIVE RATES AMONG PREGNANT WOMEN IN OKINAWA PRIOR TO THE EFFECTS OF MEASURES INTRODUCED TO PREVENT VERTICAL TRANSMISSION THROUGH BREAST MILK FEEDING
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- ANDO YOSHIYA
- Wakayama Medical University, Kihoku Hospital, Obstetrics and Gynecology
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- MATSUMOTO YOSHINARI
- Wakayama Medical University, Kihoku Hospital, Obstetrics and Gynecology
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- NAKANO SHIRO
- Saiseikai Nara Hospital
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- SAITO KENSUKE
- Saiseikai Tondabayashi Hospital
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- KAKIMOTO KAZUHIRO
- International Medical Center of Japan
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- TANIGAWA TAKUO
- Daido Life Insurance Company
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- EKUNI YUTAKA
- Ekuni Ladies Clinic
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- KAWA MOTOHIRO
- Nara Prefectural Nara Hospital
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- TOYAMA YUJI
- Toyama Obstetrical Gynecological Clinic
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- TOYAMA TAKENORI
- Toyama Obstetrical Gynecological Clinic
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Objectives: Human T cell leukemia virus type-I (HTLV-I) is a causative agent of human T-cell leukemia and HTLV-I associated myelopathy (HAM/TSP). HTLV-I carriers are often infected vertically, especially via mother's milk. Since 1985, clinical measures have been adopted at a hospital in Okinawa to prevent vertical infections.<BR>Methods: We examined HTLV-I antibodies in all of the women (total 11, 506) who gave birth after 24 gestational weeks at a hospital on the Okinawa main island from January 1985 to December 1999.<BR>Results: The positive rate among all pregnant women was always higher than that among primipara alone. Both figures decreased over the period studied, but the primiparity rate (36-39%) did not change significantly. The percentage of HTLV-I positive primipara pregnant women among the HTLV-I positive total was close to the primiparity rate from 1985 to 1988, but it was considerably lower than the overall primiparity rate thereafter (22-26%).<BR>Conclusions: Preventive measures against HTLV-I infection did not contribute to the decrease in HTLV-I positive mothers before 1999 because these measures were adopted from 1985, and so there must be other reasons for the decrease in HTLV-I positive rate. Further studies on social factors and by year of birth are needed to identify factors influencing HTLV-carrier ratios among pregnant women.
収録刊行物
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- Tropical Medicine and Health
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Tropical Medicine and Health 32 (2), 177-180, 2004
日本熱帯医学会
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詳細情報 詳細情報について
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- CRID
- 1390001205220796160
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- NII論文ID
- 10013297258
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- NII書誌ID
- AA11912846
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- ISSN
- 13494147
- 13488945
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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
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可