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Effects of long-term microgravity exposure in space on circadian rhythms of heart rate variability
https://jaxa.repo.nii.ac.jp/records/22578
https://jaxa.repo.nii.ac.jp/records/225789f6cb1e9-6cfc-48d5-aa6e-ada922aae827
名前 / ファイル | ライセンス | アクション |
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PA1510086000.pdf (2.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-09-11 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Effects of long-term microgravity exposure in space on circadian rhythms of heart rate variability | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Yamamoto, Naomune
× Yamamoto, Naomune× Otsuka, Kuniaki× Kubo, Yutaka× Hayashi, Mitsutoshi× Mizuno, Koh× Ohshima, Hiroshi× Mukai, Chiaki |
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著者所属(英) | ||||||
en | ||||||
Tokyo Women’s Medical University: Japan Aerospace Exploration Agency (JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Tokyo Women’s Medical University | ||||||
著者所属(英) | ||||||
en | ||||||
Tokyo Women’s Medical University | ||||||
著者所属(英) | ||||||
en | ||||||
Tokyo Women’s Medical University | ||||||
著者所属(英) | ||||||
en | ||||||
Tohoku Fukushi University | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency (JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency (JAXA) | ||||||
出版者(英) | ||||||
出版者 | Informa Healthcare | |||||
書誌情報 |
en : Chronobiology International: The Journal of Biological and Medical Rhythm Research 巻 32, 号 3, p. 327-340, 発行日 2014 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | We evaluated their circadian rhythms using data from electrocardiographic records and examined the change in circadian period related to normal RR intervals for astronauts who completed a long-term (≥6-month) mission in space. The examinees were seven astronauts, five men and two women, from 2009 to 2010. Their mean ± SD age was 52.0 ± 4.2 years (47–59 yr). Each stayed in space for more than 160 days; their average length of stay was 172.6 ± 14.6 days (163–199 days). We conducted a 24-h Holter electrocardiography before launch (Pre), at one month after launch (DF1), at two months after launch (DF2), at two weeks before return (DF3), and at three months after landing (Post), comparing each index of frequency-domain analysis and 24-h biological rhythms of the NN intervals (normal RR intervals). Results show that the mean period of Normal Sinus (NN) intervals was within 24 ± 4 h at each examination. Inter-individual variability differed among the stages, being significantly smaller at DF3 (Pre versus DF1 versus DF3 versus Post = 22.36 ± 2.50 versus 25.46 ± 4.37 versus 22.46 ± 1.75 versus 26.16 ± 7.18 h, p < 0.0001). The HF component increased in 2 of 7 astronauts, whereas it decreased in 3 of 7 astronauts and 1 was remained almost unchanged at DF1. During DF3, about 6 months after their stay in space, the HF component of 5 of 7 astronauts recovered from the decrease after launch, with prominent improvement to over 20% in 3 astronauts. Although autonomic nervous functions and circadian rhythms were disturbed until one month had passed in space, well-scheduled sleep and wake rhythms and meal times served as synchronizers. | |||||
内容記述(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Accepted: 2014-10-20 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0742-0528 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10638454 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | http://dx.doi.org/10.3109/07420528.2014.979940 | |||||
関連名称 | info:doi/10.3109/07420528.2014.979940 | |||||
権利 | ||||||
権利情報 | ©2014 Informa Healthcare USA, Inc. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: PA1510086000 |