1
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Yanagi N, Satoh H, Sawada Y. Do fathers have sufficient knowledge to administer medicine to children correctly? Eur J Public Health 2022. [DOI: 10.1093/eurpub/ckac130.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Recently, the father's involvement in childcare is increasing in Japan. Inappropriate use of medication for children at home has been reported worldwide, however, the most responsible person was likely to be the mother. We aimed to compare the knowledge related to administering medication to children between fathers and mothers among Japanese parents.
Methods
An online survey regarding medication administration to children was conducted in March 2022. Parents living with preschool children were recruited and categorized by four factors: sex (fathers and mothers), age of children, regular medication, and the difficulty level in giving medicine to their own children. The cross-sectional data were collected for each category. The knowledge related to administering medication to children was measured using ten statements such as “Children can be given a reduced dose of adult medicine” using a 5-point Likert scale. The answer “disagree” was defined as correct understanding and was compared between fathers and mothers (Chi-square test).
Results
The participants were 145 fathers and 128 mothers. The percentage of fathers who answered all questions correctly or all questions incorrectly was 9.0% (mothers = 13.3%) and 25.5% (mothers = 13.3%) respectively. Each statement was answered correctly by fathers 20.0-57.9% and by mothers 25.8-71.9% and fathers were less likely to have the correct knowledge than mothers (6 items, p < 0.05). The biggest difference between those two groups was the statement of “Children should be given more than the proper dose for rapid effect”. Furthermore, the fathers having some difficulties in giving medicine had lower awareness about appropriate medication use than fathers having no difficulties.
Conclusions
Fathers were more likely to have lower knowledge related to administering medication to children than mothers. Medical professionals like pharmacists will need to support fathers.
Key messages
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Affiliation(s)
- N Yanagi
- Graduate School of Pharmaceutical Sciences, University of Tokyo , Tokyo, Japan
| | - H Satoh
- Graduate School of Pharmaceutical Sciences, University of Tokyo , Tokyo, Japan
| | - Y Sawada
- Graduate School of Pharmaceutical Sciences, University of Tokyo , Tokyo, Japan
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2
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Takeda T, Yanagi N, Fukasawa N, Mori E, Maeda M, Sakaguchi R, Tei M, Omura K, Otori N. Respiratory epithelial adenomatoid hamartoma with nasal polyps affects dupilumab efficacy. Rhinology 2022; 60:148-151. [PMID: 35174813 DOI: 10.4193/rhin21.359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- T Takeda
- Department of Otorhinolaryngology, Jikei University School of Medicine, Japan
| | - N Yanagi
- Department of Otorhinolaryngology, Jikei University School of Medicine, Japan
| | - N Fukasawa
- Department of Pathology, Jikei University School of Medicine, Japan
| | - E Mori
- Department of Otorhinolaryngology, Jikei University School of Medicine, Japan
| | - M Maeda
- Department of Otorhinolaryngology, Jikei University School of Medicine, Japan
| | - R Sakaguchi
- Department of Pathology, Jikei University School of Medicine, Japan
| | - M Tei
- Department of Otorhinolaryngology, Jikei University School of Medicine, Japan
| | - K Omura
- Department of Otorhinolaryngology, Jikei University School of Medicine, Japan
| | - N Otori
- Department of Otorhinolaryngology, Jikei University School of Medicine, Japan
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3
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Yanagi N, Satoh H, Sawada Y. Awareness of knowledge related to administering medication for children by mothers among pharmacists. Eur J Public Health 2021. [DOI: 10.1093/eurpub/ckab165.457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Inappropriate medication use for children by caregivers such as mothers and nursery staff has been reported in Japan. The pharmacists have the responsibility to support adequate medication administration and should consult effectively. However, it is not clear how much pharmacists are aware of the knowledge of medication use by caregivers. This study aimed to examine the knowledge related to administering medication for children among mothers and nursery staff and to evaluate the awareness of that understanding among pharmacists.
Methods
Three online surveys involving 600 mothers living with nursery school children, 558 nursery staff at nursery schools, and 584 pharmacists in Japan were conducted separately (Cross-sectional data, in 2019/2021). Ten statements about the knowledge related to administering medication for children such as “You could give the medicine that has been prescribed before if similar symptoms are shown”, “You should give children the medicine using favorite beverages such as milk and juice, regardless of the kind of medicine” were shown and measured using a 5-point Likert scale. The answer: “disagree”, was considered as correct understanding. The pharmacists were asked how much they think mothers/nursery staff answered correctly using a 5-point Likert scale.
Results
The proportion of correct answers for ten statements by mothers and nursery staff were 35.8%-76.0% and 43.0%-69.9%, respectively. Most answers from pharmacists were in the category range of 40%-59%. Only 11.5%-33.0% of pharmacists chose the correct category in each of ten items with mothers' answers and 24.0%-83.4% of them had lower awareness.
Conclusions
Overall, the pharmacists were less likely to be aware of the mothers'/nursery staff members' knowledge related to administering medication. The pharmacists need to instruct mothers to administer medication after confirming their understanding at the pharmacy.
Key messages
The awareness of knowledge related to administering medication for children by mothers and nursery staff among pharmacists was lower than the answers. The pharmacists need to instruct mothers to administer medication at the pharmacy after confirming their understanding of medication use.
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Affiliation(s)
- N Yanagi
- Graduate School of Pharmaceutical Sciences, University of Tokyo, Tokyo, Japan
| | - H Satoh
- Graduate School of Pharmaceutical Sciences, University of Tokyo, Tokyo, Japan
- Graduate School of Interdisciplinary Information Studies, University of Tokyo, Tokyo, Japan
| | - Y Sawada
- Graduate School of Pharmaceutical Sciences, University of Tokyo, Tokyo, Japan
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4
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Yanagi N, Satoh H, Sawada Y. Association between maternal factors and appropriate medication for nursery school children in Japan. Eur J Public Health 2019. [DOI: 10.1093/eurpub/ckz186.176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Inappropriate medication use for children by caregivers has been reported in Japan. We focused on the factors which could be associated with health literacy (HL) and knowledge of medication (KM). We aimed to examine the association between appropriate use for nursery school children and maternal socioeconomic status (SES) or behavior related to medication adherence among mothers in Japan.
Methods
The data regarding the conditions of medication for children (aged from six months to six years old) at home and in nursery school by the online survey from April to May 2019 was used. Maternal SES, such as education, occupational status, and economic conditions, were asked via a self-administered questionnaire. Maternal behaviors were measured using a 5-point Likert scale and classified into two groups. HL and KM were scored and divided into two categories. Appropriate medication use was evaluated using a 5-point Likert scale for the statement “I give my child medicine as per instructions,” and the answers were classified into two groups. Poisson regression was employed to investigate the association. Age, maternal SES, chronic disease of children, birth order, HL, and KM were used as covariates.
Results
A total of 233 (38.8%) of 600 mothers aged 24-48 years, reported appropriate medication use for children. None of the maternal SES was statistically significant. After adjustment, the individuals, who consent to prescribed medications for children, were 2.16 times (95% confidence interval [CI]:1.64-2.86) more likely to use medicine appropriately compared with their counterparts. ’To be able to consult with pharmacists’ were also statistically significant (Prevalence Ratio=2.14, 95% CI:1.63-2.81).
Conclusions
The mothers, who consent to prescribed medications for children, who consult with pharmacists were more likely to use medicine appropriately. Community pharmacists could support those to improve their skills.
Key messages
The maternal behaviors related to adherence were associated with appropriate medication for children among Japanese mothers, although none of the maternal SES was statistically significant. Community pharmacists could support mothers and contribute appropriate medical treatment for children.
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Affiliation(s)
- N Yanagi
- Laboratory of Drug Lifetime Management, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - H Satoh
- Laboratory of Drug Lifetime Management, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
- Interfaculty Initiative in Information Studies, Graduate School of Interdisciplinary Information Studies, The University of Tokyo, Tokyo, Japan
| | - Y Sawada
- Laboratory of Drug Lifetime Management, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
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5
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Yanagi N, Fujiwara T, Hata A, Kondo K. Association between childhood socioeconomic status and sleep quality among old age in Japan. Eur J Public Health 2017. [DOI: 10.1093/eurpub/ckx187.216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- N Yanagi
- Graduate School of Medicine, Chiba University, Chiba, Japan
| | - T Fujiwara
- Tokyo Medical and Dental University, Tokyo, Japan
| | - A Hata
- Graduate School of Medicine, Chiba University, Chiba, Japan
| | - K Kondo
- Center for Preventive Medical Sciences, Chiba University, Japan
- Center for Gerontology and Social Science, Aichi, Japan
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6
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Bromberg L, Hashizume H, Ito S, Minervini JV, Yanagi N. Status of High Temperature Superconducting Fusion Magnet Development. Fusion Science and Technology 2017. [DOI: 10.13182/fst11-a12455] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- L. Bromberg
- MIT Plasma Science and Fusion Center, Cambridge MA 02139
| | | | - S. Ito
- Tohoku University, Sendai, Japan
| | | | - N. Yanagi
- National Institute for Fusion Science, Toki, Japan
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7
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Imagawa S, Mito T, Takahata K, Yamada S, Yanagi N, Chikaraishi H, Maekawa R, Tamura H, Iwamoto A, Hamaguchi S, Obana T, Okamura T, Shirai Y, Ise T, Hamajima T. Overview of LHD Superconducting Magnet System and Its 10-Year Operation. Fusion Science and Technology 2017. [DOI: 10.13182/fst10-a10843] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- S. Imagawa
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - T. Mito
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - K. Takahata
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - S. Yamada
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - N. Yanagi
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - H. Chikaraishi
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - R. Maekawa
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - H. Tamura
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - A. Iwamoto
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - S. Hamaguchi
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - T. Obana
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - T. Okamura
- Tokyo Institute of Technology, Yokohama 226-8502, Japan
| | - Y. Shirai
- Kyoto University, Kyoto 606-8501, Japan
| | - T. Ise
- Osaka University, Suita 565-0871, Japan
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8
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Motojima O, Yamada H, Komori A, Watanabe KY, Mutoh T, Takeiri Y, Ida K, Akiyama T, Asakura N, Ashikawa N, Chikaraishi H, Cooper WA, Emoto M, Fujita T, Fujiwara M, Funaba H, Goncharov P, Goto M, Hamada Y, Higashijima S, Hino T, Hoshino M, Ichimura M, Idei H, Ido T, Ikeda K, Imagawa S, Inagaki S, Isayama A, Isobe M, Itoh T, Itoh K, Kado S, Kalinina D, Kaneba T, Kaneko O, Kato D, Kato T, Kawahata K, Kawashima H, Kawazome H, Kobuchi T, Kondo K, Kubo S, Kumazawa R, Lyon JF, Maekawa R, Mase A, Masuzaki S, Mito T, Matsuoka K, Miura Y, Miyazawa J, More R, Morisaki T, Morita S, Murakami I, Murakami S, Mutoh S, Nagaoka K, Nagasaki K, Nagayama Y, Nakamura Y, Nakanishi H, Narihara K, Narushima Y, Nishimura H, Nishimura K, Nishiura M, Nishizawa A, Noda N, Notake T, Nozato H, Ohdachi S, Ohkubo K, Ohyabu N, Oyama N, Oka Y, Okada H, Osakabe M, Ozaki T, Peterson BJ, Sagara A, Saida T, Saito K, Sakakibara S, Sakamoto M, Sakamoto R, Sasao M, Sato K, Seki T, Shimozuma T, Shoji M, Sudo S, Takagi S, Takahashi Y, Takase Y, Takenaga H, Takeuchi N, Tamura N, Tanaka K, Tanaka M, Toi K, Takahata K, Tokuzawa T, Torii Y, Tsumori K, Watanabe F, Watanabe M, Watanabe T, Watari T, Yamada I, Yamada S, Yamaguchi T, Yamamoto S, Yamazaki K, Yanagi N, Yokoyama M, Yoshida N, Yoshimura S, Yoshimura Y, Yoshinuma M. Review on the Progress of the LHD Experiment. Fusion Science and Technology 2017. [DOI: 10.13182/fst04-a535] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- O. Motojima
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - H. Yamada
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - A. Komori
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Y. Watanabe
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Mutoh
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - Y. Takeiri
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Ida
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Akiyama
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - N. Asakura
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - N. Ashikawa
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - H. Chikaraishi
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - W. A. Cooper
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - M. Emoto
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Fujita
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - M. Fujiwara
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - H. Funaba
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - P. Goncharov
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - M. Goto
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - Y. Hamada
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - S. Higashijima
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Hino
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - M. Hoshino
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - M. Ichimura
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - H. Idei
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Ido
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Ikeda
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - S. Imagawa
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - S. Inagaki
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - A. Isayama
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - M. Isobe
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Itoh
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Itoh
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - S. Kado
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - D. Kalinina
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Kaneba
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - O. Kaneko
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - D. Kato
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Kato
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Kawahata
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - H. Kawashima
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - H. Kawazome
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Kobuchi
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Kondo
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - S. Kubo
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - R. Kumazawa
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - J. F. Lyon
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - R. Maekawa
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - A. Mase
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - S. Masuzaki
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Mito
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Matsuoka
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - Y. Miura
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - J. Miyazawa
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - R. More
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Morisaki
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - S. Morita
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - I. Murakami
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - S. Murakami
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - S. Mutoh
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Nagaoka
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Nagasaki
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - Y. Nagayama
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - Y. Nakamura
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - H. Nakanishi
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Narihara
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - Y. Narushima
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - H. Nishimura
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Nishimura
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - M. Nishiura
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - A. Nishizawa
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - N. Noda
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Notake
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - H. Nozato
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - S. Ohdachi
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Ohkubo
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - N. Ohyabu
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - N. Oyama
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - Y. Oka
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - H. Okada
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - M. Osakabe
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Ozaki
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - B. J. Peterson
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - A. Sagara
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Saida
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Saito
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - S. Sakakibara
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - M. Sakamoto
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - R. Sakamoto
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - M. Sasao
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Sato
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Seki
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Shimozuma
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - M. Shoji
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - S. Sudo
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - S. Takagi
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - Y. Takahashi
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - Y. Takase
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - H. Takenaga
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - N. Takeuchi
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - N. Tamura
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Tanaka
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - M. Tanaka
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Toi
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Takahata
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Tokuzawa
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - Y. Torii
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Tsumori
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - F. Watanabe
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - M. Watanabe
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Watanabe
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Watari
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - I. Yamada
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - S. Yamada
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - T. Yamaguchi
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - S. Yamamoto
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - K. Yamazaki
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - N. Yanagi
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - M. Yokoyama
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - N. Yoshida
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - S. Yoshimura
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - Y. Yoshimura
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
| | - M. Yoshinuma
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
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Yanagi N, Fujiwara T, Hata A, Kondo K. Association between adverse childhood experiences and vegetable consumption in older age in Japan. Eur J Public Health 2016. [DOI: 10.1093/eurpub/ckw174.063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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10
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Yanagi N, Fujiwara T, Hata A, Kondo K. Association between childhood socioeconomic status and vegetables consumption in old age in Japan. Eur J Public Health 2015. [DOI: 10.1093/eurpub/ckv168.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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11
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Sagara A, Tamura H, Tanaka T, Yanagi N, Miyazawa J, Goto T, Sakamoto R, Yagi J, Watanabe T, Takayama S. Helical reactor design FFHR-d1 and c1 for steady-state DEMO. Fusion Engineering and Design 2014. [DOI: 10.1016/j.fusengdes.2014.02.076] [Citation(s) in RCA: 98] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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12
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Kitamura H, Terunuma N, Kurosaki S, Hata K, Masuda M, Kochi T, Yanagi N, Murase T, Ogami A, Higashi T. A cohort study of toner-handling workers on inflammatory, allergic, and oxidative stress markers. Hum Exp Toxicol 2014; 34:337-44. [DOI: 10.1177/0960327113512339] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Objectives: This study examines the relationship between toner exposure and its health effects in terms of biomarkers which are known to assess the damages to humans caused by toxic material exposure. Methods: The subjects were 1504 male workers aged below 50 in 2003 in a Japanese toner and photocopier manufacturing company. Personal exposure measurements, pulmonary function tests, chest X-ray examinations, biomarker measurement, and a questionnaire about respiratory symptoms were conducted. We will report about biomarker measurement in this study. Cross-sectional survey studies and a longitudinal study from 2003 to 2008 were conducted. Results: Few significant findings were associated with the toner exposure in both the cross-sectional and the longitudinal studies. The higher toner exposure concentrations did not induce effects on increasing biomarkers. Conclusion: There was no evidence of excessive inflammatory, allergic, or oxidative stress reaction in toner-handling workers as compared to non-handling workers, despite some sporadically significant findings. There are no other reports of a longitudinal epidemiological study with regard to toner exposure; this report significantly contributes to toner exposure literature. Although in the current well-controlled working environment, the toner exposure concentrations are quite low; further studies are needed to completely understand the health effects toner may have, however small they may be.
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Affiliation(s)
- H Kitamura
- Department of Work Systems and Health, Institute of Industrial Ecological Science, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - N Terunuma
- Department of Work Systems and Health, Institute of Industrial Ecological Science, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - S Kurosaki
- Department of Work Systems and Health, Institute of Industrial Ecological Science, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - K Hata
- Department of Work Systems and Health, Institute of Industrial Ecological Science, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - M Masuda
- Department of Work Systems and Health, Institute of Industrial Ecological Science, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - T Kochi
- Department of Work Systems and Health, Institute of Industrial Ecological Science, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - N Yanagi
- Department of Work Systems and Health, Institute of Industrial Ecological Science, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - T Murase
- Department of Haematology, Tokai University School of Medicine, Hachioji, Japan
| | - A Ogami
- Department of Work Systems and Health, Institute of Industrial Ecological Science, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - T Higashi
- Department of Work Systems and Health, Institute of Industrial Ecological Science, University of Occupational and Environmental Health, Kitakyushu, Japan
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13
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Kitamura H, Terunuma N, Kurosaki S, Hata K, Masuda M, Kochi T, Yanagi N, Murase T, Ogami A, Higashi T. A cohort study using pulmonary function tests and x-ray examination in toner-handling workers: cross-sectional and longitudinal analyses from 2003 to 2008. Hum Exp Toxicol 2014; 34:345-56. [PMID: 25034943 DOI: 10.1177/0960327113520018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVES This study uses pulmonary function tests and chest x-ray examinations to examine the relationship between toner-handling work and its health effects. METHODS The subjects were 1504 male workers in a Japanese toner and photocopier manufacturing company, in the age range from 19 to 50 years in 2003. Personal exposure measurements, pulmonary function tests, chest x-ray examinations, biomarker measurements, and a questionnaire about respiratory symptoms were conducted. The present study reports the results of pulmonary function tests and chest x-ray examinations conducted in the subjects, which includes a cross-sectional study on the toner handling and non-handling workers and a longitudinal study from 2003 to 2008. RESULTS Few significant findings were suspected to be caused by toner exposure found in pulmonary function indices in both the cross-sectional and longitudinal studies. Any obvious fibrotic findings in chest x-ray findings related to the toner exposure could not be found out. CONCLUSION No evidence of adverse effects on pulmonary function indices and chest x-rays was present in the toner-handling workers as compared to the nonspecifically exposed workers. Although the toner exposure concentration is quite low in the current well-controlled working environment, even among the toner-handling workers, we would like to continue this study in the future to verify the toner exposure health effects.
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Affiliation(s)
- H Kitamura
- Department of Work Systems and Health, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - N Terunuma
- Department of Work Systems and Health, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - S Kurosaki
- Department of Work Systems and Health, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - K Hata
- Department of Work Systems and Health, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - M Masuda
- Department of Work Systems and Health, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - T Kochi
- Department of Work Systems and Health, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - N Yanagi
- Department of Work Systems and Health, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - T Murase
- Department of Haematology, Tokai University School of Medicine, Hachioji, Japan
| | - A Ogami
- Department of Work Systems and Health, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - T Higashi
- Department of Work Systems and Health, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, Japan
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14
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Mitarai O, Sagara A, Sakamoto R, Yanagi N, Goto T. Feedback control of the heating power to access the thermally unstable ignition regime in FFHR helical reactor. Fusion Engineering and Design 2013. [DOI: 10.1016/j.fusengdes.2013.03.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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15
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Tamura H, Goto T, Yanagi N, Tanaka T, Masuzaki S, Miyazawa J, Sagara A. Radial-build design and support system for the helical DEMO reactor FFHR-d1. Fusion Engineering and Design 2013. [DOI: 10.1016/j.fusengdes.2013.02.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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16
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Sagara A, Goto T, Miyazawa J, Yanagi N, Tanaka T, Tamura H, Sakamoto R, Tanaka M, Tsumori K, Mitarai O, Imagawa S, Muroga T. Design activities on helical DEMO reactor FFHR-d1. Fusion Engineering and Design 2012. [DOI: 10.1016/j.fusengdes.2012.01.030] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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17
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Tanaka T, Sagara A, Goto T, Yanagi N, Tamura H, Hirooka Y, Miyazawa J, Muroga T. Design studies on three-dimensional issues for liquid blanket systems in helical reactor FFHR. Fusion Engineering and Design 2012. [DOI: 10.1016/j.fusengdes.2012.01.049] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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18
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Hamaguchi S, Okamura T, Imagawa S, Obana T, Yanagi N, Mito T. Helium Subcooling System for LHD Helical Coils. Fusion Science and Technology 2010. [DOI: 10.13182/fst10-a10845] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- S. Hamaguchi
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - T. Okamura
- Tokyo Institute of Technology, Yokohama 226-8502, Japan
| | - S. Imagawa
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - T. Obana
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - N. Yanagi
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - T. Mito
- National Institute for Fusion Science, Toki 509-5292, Japan
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Yanagi N, Imagawa S, Sekiguchi H, Ninomiya A, Takahata K, Hamaguchi S, Obana T, Mito T. Performance of the Superconducting Helical Coils of LHD. Fusion Science and Technology 2010. [DOI: 10.13182/fst10-a10844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- N. Yanagi
- National Institute for Fusion Science, Toki, Gifu 509-5292, Japan
| | - S. Imagawa
- National Institute for Fusion Science, Toki, Gifu 509-5292, Japan
| | - H. Sekiguchi
- National Institute for Fusion Science, Toki, Gifu 509-5292, Japan
| | - A. Ninomiya
- Seikei University, Musashino, Tokyo 180-8633, Japan
| | - K. Takahata
- National Institute for Fusion Science, Toki, Gifu 509-5292, Japan
| | - S. Hamaguchi
- National Institute for Fusion Science, Toki, Gifu 509-5292, Japan
| | - T. Obana
- National Institute for Fusion Science, Toki, Gifu 509-5292, Japan
| | - T. Mito
- National Institute for Fusion Science, Toki, Gifu 509-5292, Japan
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20
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Yamada H, Imagawa S, Takeiri Y, Kaneko O, Mutoh T, Mito T, Chikaraishi H, Hamaguchi S, Ida K, Igami H, Ikeda K, Kasahara H, Kobayashi M, Kubo S, Kumazawa R, Maekawa R, Masuzaki S, Miyazawa J, Morisaki T, Morita S, Nagaoka K, Nakamura Y, Narushima Y, Osakabe M, Saito K, Sakakibara S, Sakamoto R, Seki T, Shimozuma T, Shoji M, Suzuki Y, Takahata K, Tamura H, Tsumori K, Watanabe K, Yamada S, Yanagi N, Yoshimura Y, Kawahata K, Ohyabu N, Komori A, Motojima O. 10 years of engineering and physics achievements by the Large Helical Device project. Fusion Engineering and Design 2009. [DOI: 10.1016/j.fusengdes.2009.01.068] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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21
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Nakahara A, Yoshikawa M, Shima Y, Matsumoto T, Nakahara A, Yanagi N, Itakura A, Cho T, Mase A, Kogi Y. Measurements of 2-Dimensional Plasma Density Distributions by the Phase-Imaging Method in GAMMA 10. Fusion Science and Technology 2007. [DOI: 10.13182/fst07-a1374] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- A. Nakahara
- Plasma Research Center, University of Tsukuba: 1-1-1 Tennoudai, Tsukuba, Ibaraki, Japan, 305-8577
| | - M. Yoshikawa
- Plasma Research Center, University of Tsukuba: 1-1-1 Tennoudai, Tsukuba, Ibaraki, Japan, 305-8577
| | - Y. Shima
- Plasma Research Center, University of Tsukuba: 1-1-1 Tennoudai, Tsukuba, Ibaraki, Japan, 305-8577
| | - T. Matsumoto
- Plasma Research Center, University of Tsukuba: 1-1-1 Tennoudai, Tsukuba, Ibaraki, Japan, 305-8577
| | - A. Nakahara
- Plasma Research Center, University of Tsukuba: 1-1-1 Tennoudai, Tsukuba, Ibaraki, Japan, 305-8577
| | - N. Yanagi
- Plasma Research Center, University of Tsukuba: 1-1-1 Tennoudai, Tsukuba, Ibaraki, Japan, 305-8577
| | - A. Itakura
- Plasma Research Center, University of Tsukuba: 1-1-1 Tennoudai, Tsukuba, Ibaraki, Japan, 305-8577
| | - T. Cho
- Plasma Research Center, University of Tsukuba: 1-1-1 Tennoudai, Tsukuba, Ibaraki, Japan, 305-8577
| | - A. Mase
- Art, Science and Technology Center for Cooperative Research, University of Kyusyu, Kasuga: 6-1 Kasuga-Koen, Kasuga, Fukuoka, Japan, 816-8580
| | - Y. Kogi
- Art, Science and Technology Center for Cooperative Research, University of Kyusyu, Kasuga: 6-1 Kasuga-Koen, Kasuga, Fukuoka, Japan, 816-8580
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22
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Yatsuka E, Kato H, Sakata D, Morikawa J, Ogawa Y, Yanagi N, Mito T. Electron Bernstein Wave Heating on the Internal Coil Device Mini-RT. Fusion Science and Technology 2007. [DOI: 10.13182/fst07-a1385] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- E. Yatsuka
- Graduate School of Frontier Sciences, University of Tokyo, 5-1-5, Kashiwanoha, Kashiwashi, Chiba, 277-8561
| | - H. Kato
- Graduate School of Frontier Sciences, University of Tokyo, 5-1-5, Kashiwanoha, Kashiwashi, Chiba, 277-8561
| | - D. Sakata
- Graduate School of Frontier Sciences, University of Tokyo, 5-1-5, Kashiwanoha, Kashiwashi, Chiba, 277-8561
| | - J. Morikawa
- School of Engineering, University of Tokyo, 2-11-16, Yayoi, Bunkyo Ward, Tokyo, 113-8656
| | - Y. Ogawa
- High Temperature Plasma Center, University of Tokyo, 5-1-5, Kashiwanoha, Kashiwashi, Chiba, 277-8568
| | - N. Yanagi
- National Institute for Fusion Science, 322-6, Oroshicho, Toki, Gifu, 509-5292
| | - T. Mito
- National Institute for Fusion Science, 322-6, Oroshicho, Toki, Gifu, 509-5292
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23
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Hamaguchi S, Imagawa S, Yanagi N, Takahata K, Maekawa R, Mito T. Performance of cold compressors in a cooling system of an R&D superconducting coil cooled with subcooled helium. Fusion Engineering and Design 2006. [DOI: 10.1016/j.fusengdes.2006.07.052] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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24
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Hemmi T, Yanagi N, Bansal G, Seo K, Takahata K, Mito T. Electromagnetic behavior of HTS coils in persistent current operations. Fusion Engineering and Design 2006. [DOI: 10.1016/j.fusengdes.2006.07.038] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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25
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Ishigohka T, Mito T, Imagawa S, Yanagi N, Sekiguchi H, Yamada S. Protection of LHD coils by intelligent observation of voltage signals. Fusion Engineering and Design 2006. [DOI: 10.1016/j.fusengdes.2006.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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26
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Yanagi N, Seo K, Imagawa S, Sekiguchi H, Takahata K, Yamada S, Mito T, Ishigohka T, Ninomiya A. Pulse height analysis on the balance voltage and acoustic emission signals for the LHD superconducting coils. Fusion Engineering and Design 2006. [DOI: 10.1016/j.fusengdes.2006.07.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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27
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Hamamura K, Yamazaki K, Chikaraishi H, Sakakibara S, Yanagi N, Shoji T, Watari T. A new method for measuring plasma energy using superconducting helical coils. Fusion Engineering and Design 2006. [DOI: 10.1016/j.fusengdes.2006.07.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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28
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Imagawa S, Hamaguchi S, Yanagi N, Sekiguchi H, Moriuchi S, Mito T, Komori A, Motojima O. Upgrading program for improving the cryogenic stability of LHD helical coils by lowering the operating temperature. Fusion Engineering and Design 2006. [DOI: 10.1016/j.fusengdes.2006.07.088] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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29
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Mito T, Sagara A, Imagawa S, Yamada S, Takahata K, Yanagi N, Chikaraishi H, Maekawa R, Iwamoto A, Hamaguchi S, Sato M, Noda N, Yamauchi K, Komori A, Motojima O. Applied superconductivity and cryogenic research activities in NIFS. Fusion Engineering and Design 2006. [DOI: 10.1016/j.fusengdes.2006.07.086] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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30
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Nagayama Y, Kawahata K, Inagaki S, Peterson BJ, Sakakibara S, Tanaka K, Tokuzawa T, Watanabe KY, Ashikawa N, Chikaraishi H, Emoto M, Funaba H, Goto M, Hamada Y, Ichiguchi K, Ida K, Idei H, Ido T, Ikeda K, Imagawa S, Isayama A, Isobe M, Iwamoto A, Kaneko O, Kitagawa S, Komori A, Kubo S, Kumazawa R, Masuzaki S, Matsuoka K, Mito T, Miyazawa J, Morisaki T, Morita S, Motojima O, Murakami S, Mutoh T, Muto S, Nakajima N, Nakamura Y, Nakanishi H, Narihara K, Narushima Y, Nishimura A, Nishimura K, Nishizawa A, Noda N, Ohdachi S, Ohkubo K, Ohyabu N, Oka Y, Osakabe M, Ozaki T, Sagara A, Saito K, Sakamoto R, Sasao M, Sato K, Seki T, Shimozuma T, Shoji M, Suzuki H, Sudo S, Takahata K, Takeiri Y, Toi K, Tsumori K, Yamada H, Yamada I, Yamazaki K, Yanagi N, Yokoyama M, Yoshimura Y, Yoshinuma Y, Watari T. Sawtooth oscillation in current-carrying plasma in the large helical device. Phys Rev Lett 2003; 90:205001. [PMID: 12785901 DOI: 10.1103/physrevlett.90.205001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2002] [Indexed: 05/24/2023]
Abstract
Sawtooth oscillations have been observed in current-carrying helical plasmas by using electron-cyclotron-emission diagnostics in the Large Helical Device. The plasma current, which is driven by neutral beam injection, reduces the beta threshold of the sawtooth oscillation. When the central q value is increased due to the plasma current, the core region crashes, and, when it is decreased, the edge region crashes annularly. Observed rapid mixture of the plasma in the limited region suggests that these sawtooth crashes are reconnection phenomena. Unlike previous experiments, no precursor oscillation has been observed.
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Affiliation(s)
- Y Nagayama
- National Institute for Fusion Science, Toki 509-5292, Japan
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31
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Yanagi N, Maruyama T, Arita M, Kaji Y, Niho Y. Alterations in electrical and mechanical activity in Langendorff-perfused guinea pig hearts exposed to decreased external sodium concentration with or without hypotonic insult. Pathophysiology 2001; 7:251-261. [PMID: 11228395 DOI: 10.1016/s0928-4680(00)00056-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
In order to examine electrical and mechanical effects of hyponatremia and hypotonicity, relevant to those in patients with 'water intoxication' syndrome, Langendorff-perfused guinea pig hearts were exposed to reduced NaCl concentrations (hypotonic [NaCl](0)-reduction) under the monitoring of left ventricular developed pressure (LVDP) and epicardial ECG. In some hearts, hyponatremia (from 140 to 80 mEq/l) was compensated for by adding mannitol to maintain osmolarity at a constant level (isotonic [NaCl](0)-reduction) or tetraethylammonium chloride to maintain both osmolarity and chloride concentrations at a constant level (isotonic [Na(+)](0)-reduction). Progressive isotonic [NaCl](0)-reduction increased LVDP, which was abolished in the presence of KB-R7943, a novel inhibitor of Na(+)/Ca(2+)-exchange. LVDP was reduced in hypotonic [NaCl](0)-reduction in which myocardial water content was increased. PQ interval and QRS duration were prolonged with both hypotonic and isotonic [NaCl](0)-reduction and these changes tended to be more pronounced with hypotonic than with isotonic [NaCl](0)-reduction. Similar ECG changes were also evident with isotonic [Na(+)](0)-reduction. Gd(3+) (1-5 µM), a blocker of stretch-activated nonspecific cation channels, had no substantial effects on the electrical or mechanical changes seen with hypotonic [NaCl](0)-reduction. In conclusion, isotonic [NaCl](0)-reduction produced a positive inotropism by modulating Na(+)/Ca(2+)-exchange, whereas hypotonic [NaCl](0)-reduction led to negative inotropism, due in part to hypotonic myocardial swelling. In addition, [Na(+)](0)-reduction, irrespective of the concomitant [Cl(-)](0) or osmotic changes, depressed atrioventricular as well as intraventricular conduction.
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Affiliation(s)
- N Yanagi
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Maidashi 3-1-1, Higashi-ku, 812-8582, Fukuoka, Japan
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Shimoike E, Ohba Y, Yanagi N, Ohtsuka S, Ohnishi Y, Ueda N, Nozaki M, Maruyama T, Kaji Y, Takahashi N, Niho Y. Radiofrequency catheter ablation of idiopathic right ventricular tachycardia near the His bundle. Fukuoka Igaku Zasshi 1999; 90:132-9. [PMID: 10361375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
There are only a few reports on successful radiofrequency catheter ablation of idiopathic right ventricular tachycardia (VT) originating from other sites than right ventricular outflow tract. We report here a case of VT which exhibited an inferior-axis and a left bundle branch block pattern and originated near the His bundle. Using the temperature-controlled ablation catheter, prudent observation of the fluoroscopy and intracardiac electrograms during pacemapping, we successfully ablated the origin of the VT without any conduction disturbance. However, further study is required to determine the effectiveness of catheter ablation and the long term prognosis for this type of VT.
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Affiliation(s)
- E Shimoike
- First Department of Internal Medicine, Kyushu University School of Medicine
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33
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Yanagi N, Mito T, Imagawa S, Takahata K, Satow T, Yamamoto J, Motojima O. Development and quality control of the superconductors for the helical coils of LHD. Fusion Engineering and Design 1998. [DOI: 10.1016/s0920-3796(98)00118-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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34
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Yamamoto J, Mito T, Takahata K, Yanagi N, Motojima O. Helical and poloidal coil R&D in LHD. Fusion Engineering and Design 1998. [DOI: 10.1016/s0920-3796(98)00117-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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35
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Yanagi N, Maruyama T, Uehata S, Wakimoto Y, Sasaki Y, Arita M. Electrical and mechanical abnormalities in the heart of a schizophrenic patient with hyponatremia derived from water intoxication. J Cardiol 1998; 32:197-204. [PMID: 9783241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Electrical and mechanical abnormalities were studied in the heart of a schizophrenic male patient with severe hyponatremia and concomitant low plasma osmolarity induced by excessive water intake (so-called "water intoxication syndrome") by recording electrocardiography and echocardiography. There was a significant positive correlation between the plasma osmolarity and serum sodium concentration. The QRS duration of electrocardiography, an index of the ventricular electrical conduction velocity, tended to be prolonged and the left ventricular ejection fraction calculated by echocardiography decreased in proportion to the reduction of the serum sodium concentration. Lowering extracellular sodium concentration theoretically slows electrical conduction velocity, and was observed in this patient. On the other hand, low external sodium concentration should increase cardiac contractility via suppression of the forward mode operation of the sodium-calcium exchange mechanism, thereby increasing the intracellular free calcium concentration. However, this was not the case in our patient, because ejection fraction was not increased but rather significantly decreased with the lowering of serum sodium concentration. We speculate that in patients with water intoxication, the negative inotropism of the heart caused by low plasma osmolarity prevails over the positive inotropism caused by low serum sodium concentration.
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Affiliation(s)
- N Yanagi
- First Department of Internal Medicine, Faculty of Medicine, Kyushu University, Fukuoka
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Shimoike E, Ohba Y, Yanagi N, Hiramatsu SI, Ueda N, Maruyama T, Kaji Y, Kanaya S, Fujino T, Niho Y. Radiofrequency catheter ablation of left ventricular outflow tract tachycardia: report of two cases. J Cardiovasc Electrophysiol 1998; 9:196-202. [PMID: 9511893 DOI: 10.1111/j.1540-8167.1998.tb00900.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Idiopathic ventricular tachycardia (VT) originating from the left ventricular outflow tract (LVOT) is rare. We report two patients whose QRS configuration during VT commonly showed an inferior axis and monophasic R waves in all the precordial leads. The mechanism of these VTs appeared to be triggered activity. From mapping and ablation, the origin of these VTs was determined to be in the most posterior LVOT, corresponding to the aortomitral continuity (left fibrous trigone).
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Affiliation(s)
- E Shimoike
- First Department of Internal Medicine, Kyushu University School of Medicine, Fukuoka, Japan
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Nagatani T, Okazawa H, Mizuno H, Yanagi N, Miyazawa M, Baba N. [Primary cutaneous lymphoma--mycosis fungoides]. Gan To Kagaku Ryoho 1997; 24:23-9. [PMID: 9020941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Malignant lymphoma of the skin is a type of extranodal lymphoma with a benign prognosis, in which the main organ involved is the skin. Some 80-90% of the cases in Japan show a T-cell phenotype. Mycosis fungoides and Sézary syndrome are common T-cell lymphomas of the skin. The tumor cells of mycosis fungoides, small and medium-sized cells with cerebriform nuclei, are detected in an epidermo-dermo junction. The tumor cells show CD3, CD4 and CLA, (cutaneous lymphocyte associated antigen) positivity. Various forms of topical therapy, such as topical steroid, photochemotherapy (PUVA), and interferons, have been indicated for the good-risk group (stages I A, I B and II A). Electron-beam irradiation, various chemotherapy, such as low-dose etoposide, low-dose MTX and CPT-11 and deoxy coformycin (DCF) plus IFNs, have been indicated for intermediate-risk group (stage II B, III and IV A). BRMs plus low-dose etoposide, electron-beam irradiation and a multiagent combination chemotherapy, such as MACOP-B, M-BACOD or ProMACE-CytaBOM, have been indicated for the high-risk group (stages IV A and IV B). Cutaneous B cell lymphoma (CBCL) can be diagnosed using a molecular biological assay. The tumor cells of CBCL do not express T-cell antigens such as CD2, CD3 and CD43 and show B-cell antigens such as sIg, CD19, CD20 and CD22. Electron-beam irradiation has been indicated for early-stage CBCL (stages I and II). An effective multiagent combination chemotherapy, such as MACOP-B, M-BACOD or ProMACE-CytaBOM, is required for patients with advanced stage CBCL (stages III and IV).
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Affiliation(s)
- T Nagatani
- Department of Dermatology, Yokohama City University School of Medicine, Japan
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Kaji Y, Yanagi N, Maruyama T, Kanaya S, Fujino T, Niho Y, Mori T, Sasaki Y, Ishihara Y. [Factors predictive of early mortality after acute myocardial infarction]. Rinsho Byori 1996; 44:1031-6. [PMID: 8953932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVES (1) To define the clinical and laboratory findings predictive of early mortality after myocardial infarction (AMI), 100 consecutive patients were studied. (2) To elucidate the serum potassium (K) concentration and its clinical significance after AMI, 38 patients were studied. RESULTS (1) The 30-day mortality was greater for women than for men, for patients with diabetes mellitus than for those without, and for patients with previous MI than for those without. Clinical and laboratory findings predictive of early mortality were cardiogenic shock, congestive heart failure, perforation or rupture of the ventricle, and presence of bundle branch block and extensive anterior AMI on electrocardiogram. The presence of bradyarrhythmia, ventricular tachyarrhythmias, and high blood levels of peak creatinine phosphokinase (CPK) or myosin or atrial natriuretic peptide (ANP) were not independent predictors of early mortality. Patients complicated with congestive heart failure showed higher levels of peak CPK and ANP and patients with cardiogenic shock showed higher levels of ANP. (2) Serum K concentration was lower on admission than the following days, and it showed a negative correlation with plasma epinephrine. The lower serum K was accompanied with more severe ventricular arrhythmias on 24-hour electrocardiogram. CONCLUSION (1) Early mortality after AMI is related to left ventricular function rather than to arrhythmias. (2) Serum K is lower in the early phase of AMI and is related with plasma catecholamines and severe ventricular arrhythmias.
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Affiliation(s)
- Y Kaji
- 1st Department of Internal Medicine, Faculty of Medicine, Kyushu University, Fukuoka
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Fujiwara M, Yamazaki K, Okamoto M, Todoroki J, Amano T, Watanabe T, Hayashi T, Sanuki H, Nakajima N, Itoh K, Sugama H, Ichiguchi K, Murakami S, Motojima O, Yamamoto J, Satow T, Yanagi N, Imagawa S, Takahata K, Tamura H, Nishimura A, Komori A, Inoue N, Noda N, Sagara A, Kubota Y, Akaishi N, Satoh S, Tanahashi S, Chikaraishi H, Mito T, Yamada S, Yamaguchi S, Sudo S, Sato KN, Watari T, Kuroda T, Kaneko O, Ohkubo K, Kitagawa S, Ando A, Idei H, Tsumori K, Kubo S, Kumazawa R, Mutoh T, Oka Y, Sato M, Seki T, Shimozuma T, Takeiri Y, Hamada Y, Narihara K, Kawahata K, Fujisawa S, Hidekuma S, Minami T, Yamada I, Ejiri A, Tanaka K, Sasao M, Iguchi H, Watanabe KY, Yamada H, Ohyabu N, Suzuki H, Iiyoshi A. Large Helical Device (LHD) program. J Fusion Energ 1996. [DOI: 10.1007/bf02266926] [Citation(s) in RCA: 62] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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40
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Yamada S, Mito T, Tanahashi S, Kubo H, Yonenaga Y, Watanabe R, Takahata K, Yanagi N, Sakamoto M, Nishimura A, Motojima O, Yamamoto J. Characteristics of a dc 75 kA power supply in the superconducting magnet test facilities. Fusion Engineering and Design 1993. [DOI: 10.1016/0920-3796(93)90044-i] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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41
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Minato T, Sasaki T, Takagi S, Ichihara T, Toyoda K, Tado S, Ikeda B, Tsukamoto T, Mito T, Takahata K, Yanagi N, Yamamoto J, Motojima O. Fabrication of TOKI-MC R&D coil. Fusion Engineering and Design 1993. [DOI: 10.1016/0920-3796(93)90042-g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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42
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Motojima O, Akaishi K, Fujii K, Fujiwaka S, Imagawa S, Ji H, Kaneko H, Kitagawa S, Kubota Y, Matsuoka K, Mito T, Morimoto S, Nishimura A, Nishimura K, Noda N, Ohtake I, Ohyabu N, Okamura S, Sagara A, Sakamoto M, Satoh S, Takahata K, Tamura H, Tanahashi S, Tsuzuki T, Yamada S, Yamada H, Yamazaki K, Yanagi N, Yonezu H, Yamamoto J, Fujiwara M, Iiyoshi A. Physics and engineering design studies on the Large Helical Device. Fusion Engineering and Design 1993. [DOI: 10.1016/0920-3796(93)90019-e] [Citation(s) in RCA: 92] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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43
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Kasuu O, Saito S, Yamada Y, Nagata M, Yokota M, Minato T, Sasaki T, Ichihara T, Toyoda K, Tsuda Y, Mito T, Takahata K, Yanagi N, Yamamoto J, Motojima O. Development of a composite superconductor (Design-M) for research and development programs of the Large Helical Device. Fusion Engineering and Design 1993. [DOI: 10.1016/0920-3796(93)90040-o] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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44
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Yamamoto J, Mito T, Takahata K, Yamada S, Yanagi N, Ohtake I, Nishimura A, Motojima O. Superconducting test facility of NIFS for the Large Helical Device. Fusion Engineering and Design 1993. [DOI: 10.1016/0920-3796(93)90036-h] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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45
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Sumiyoshi F, Kanai Y, Kawashima T, Iwakuma M, Mito T, Takahata K, Yanagi N, Yamamoto J. Sweep-rate dependences of losses in aluminum-stabilized superconducting conductors for the Large Helical Device. Fusion Engineering and Design 1993. [DOI: 10.1016/0920-3796(93)90067-r] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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46
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Yamamoto J, Mito T, Motojima O, Takahata K, Yanagi N, Yamada S, Nishimura A, Sakamoto M, Tamura H, Imagawa S, Satoh S, Satow T, Takeo M, Fujiwara M, Iiyoshi A. Research and development of superconductors and superconducting coils for the Large Helical Device. Fusion Engineering and Design 1993. [DOI: 10.1016/0920-3796(93)90035-g] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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47
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Takahata K, Mito T, Yanagi N, Sakamoto M, Nishimura A, Yamada S, Yamamoto J, Mizumaki S, Nakamoto K, Yamamoto K, Yoshida T, Itoh H, Shimada M, Wachi Y, Shinohara J. Experimental results of the R&D forced-flow poloidal coil (TOKI-PF). Fusion Engineering and Design 1993. [DOI: 10.1016/0920-3796(93)90038-j] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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48
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Sakamoto M, Mito T, Nishimura A, Imagawa S, Tamura H, Takahata K, Yanagi N, Yamada S, Yamamoto J. Stress analysis of the Module Coil (TOKI-MC) as an R&D program for the Large Helical Device. Fusion Engineering and Design 1993. [DOI: 10.1016/0920-3796(93)90041-f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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49
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Nishimura A, Tamura H, Mito T, Takahata K, Yanagi N, Sakamoto M, Yamada S, Yamamoto J, Motojima O. Rigidity tests of a superconducting coil at 4.2 K simulated for the helical coil on the LHD program. Fusion Engineering and Design 1993. [DOI: 10.1016/0920-3796(93)90045-j] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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50
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Satow T, Yamamoto J, Imagawa S, Tamura H, Takahata K, Yanagi N, Satoh S, Mito T, Yamazaki K, Takeo M, Motojima O, LHD Design Group. Present status of superconducting magnets design for the Large Helical Device. Fusion Engineering and Design 1993. [DOI: 10.1016/0920-3796(93)90025-d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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