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Dive into the research topics where Yutaka Kiyohara is active.

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Featured researches published by Yutaka Kiyohara.


Japanese journal of geriatrics | 1986

Blood chemical constituents as a risk factor in cerebral infarction. The Hisayama Study

Yanai T; Kazuo Ueda; Hasuo Y; Fujii I; Yutaka Kiyohara; Wada J; Kawano H; Shikata T; Moriyuki Takeshita; Tsuyoshi Omae

一般住民間で測定した断面時における多項目血液生化学値と, その後の脳梗塞発症との関係を満40歳以上の久山町住民で調査した. 昭和48~49年の検診受診者のうち, 脳卒中の既往がなく, 血液サンプルに溶血, 混濁のない男823名, 女1,159名の計1,982名を対象とした. これらを昭和49年12月1日より満7年間追跡したが, この間, 男27名, 女24名の脳梗塞発症がみられた. 血液生化学値17項目 (総ビリルビン, GPT, 血清総コレステロール等) と脳梗塞発症との関係を, 多重ロジスティック回帰分析を用いて解析した.男では, β-リポ蛋白, BUN, クレアチニンの3項目の標準化回帰係数が有意であったが, 女では統計的有意性がえられた項目はなかった. 男について, β-リポ蛋白, BUN, クレアチニンの平均値を脳梗塞発症者と非発症者とで比較すると, β-リポ蛋白のみが発症者で有意に高値を示した. また, β-リポ蛋白, BUN, クレアチニンの分布から, 対象者を90%値以上の高値群, 10%値未満の低値群, その中間の3群に分け, 各群からの脳梗塞発症率をみた. β-リポ蛋白の高値群からは有意に脳梗塞が多発していたが, BUN, クレアチニンと脳梗塞との間には直線的な用量-反応関係はなかった.つぎに, 今までに久山町研究で脳梗塞の危険因子として分析されてきた, 年齢, 血圧, 心電図異常などの8項目にβ-リポ蛋白, BUN, クレアチニンを加えて, 再び多重ロジスティック回帰分析を行なった. この解析では, 年齢と平均血圧のみが脳梗塞の危険因子としてとりあげられた. β-リポ蛋白の標準化回帰係数はこれらの次に大きかったが, 統計的有意性はえられなかった.


Archive | 2009

Device and method for analyzing development risk, and computer program

Yasufumi Doi; Mitsuo Iida; Manabu Iitoshi; Yutaka Kiyohara; Katsuyuki Nishino; Tomomi Okabe; Takuya Oki; Teruo Omae; Yumihiro Tanizaki; Masataka Yamaguchi; Koji Yonemoto; 康文 土井; 拓野 大木; 照雄 尾前; 正孝 山口; 友美 岡部; 裕 清原; 孝二 米本; 克行 西野; 弓裕 谷崎; 学 飯利; 三雄 飯田


Japanese journal of geriatrics | 1996

[Guidelines on treatment of hypertension in the elderly, 1995--a tentative plan for comprehensive research projects on aging and health-- Members of the Research Group for "Guidelines on Treatment of Hypertension in the Elderly", Comprehensive Research Projects on Aging and Health, the Ministry of Health and Welfare of Japan].

Toshio Ogihara; Kunio Hiwada; Hiroaki Matsuoka; Masayuki Matsumoto; Kazuaki Shimamoto; Yasuyoshi Ouchi; Isao Abe; Masatoshi Fujishima; Shigeto Morimoto; Takeshi Nakahashi; Hiroshi Mikami; Katsuhiko Kohara; Mikihiro Takasaki; Satoshi Takizawa; Yutaka Kiyohara; Ibayashi S; Masato Eto; Toshihiko Ishimitsu; Nakamura T; Masusa A; Yoshitoki Takagawa


Japanese journal of geriatrics | 1996

[Cerebrovascular disease in the elderly-risk factor, treatment and prognosis].

Masatoshi Fujishima; Yutaka Kiyohara; Isao Kato; Yumihiro Tanizaki; Saku Y


Japanese journal of geriatrics | 1986

Changes in various blood chemical constituents in relation to menopause. The Hisayama Study

Fujii I; Kazuo Ueda; Yanai T; Hasuo Y; Yutaka Kiyohara; Wada J; Kawano H; Shikata T; Moriyuki Takeshita; Hirota Y


Japanese journal of geriatrics | 1986

Changes in blood chemical constituents and death in the aged population. The Hisayama Study

Hasuo Y; Kazuo Ueda; Fujii I; Yanai T; Yutaka Kiyohara; Wada J; Kawano H; Shikata T; Moriyuki Takeshita; Hirota Y


Japanese journal of geriatrics | 1999

Multicenter Prospective Survey of Prognosis of Hypertensive Elderly Outpatient under Antihypertesive Treatment. Morbidity and Mortality of Cardiovascular Diseases and Cancer.

Toshio Ogihara; Shigeto Morimoto; Takeshi Nakahashi; Kunio Hiwada; Hiroaki Matsuoka; Masayuki Matsumoto; Kazuaki Shimamoto; Yasuyoshi Onchi; Isao Abe; Hiroshi Mikami; Toshihiko Ishimitsu; Katuhiko Kohara; Satoshi Takizawa; Mikihiro Takasaki; Atushi Masuda; Junnichi Munehira; Masato Eto; Yoshitoki Takagawa; Yutaka Kiyohara; Seturou Ibayashi; Toshiko Nakamura; Masatoshi Fujishima


Nippon Ronen Igakkai Zasshi. Japanese Journal of Geriatrics | 1997

Insulin Resistance and Diseases in the Elderly

Yutaka Kiyohara; Hiroshi Ikegami; Kazuaki Shimamoto; T. Kushiro; Mitsuo Ohni


Neurology: Clinical Practice | 2018

Prevalence of and risk factors for cerebral microbleeds in a general Japanese elderly community

Tomohiro Yubi; Jun Hata; Tomoyuki Ohara; Naoko Mukai; Yoichiro Hirakawa; Daigo Yoshida; Seiji Gotoh; Naoki Hirabayashi; Yoshihiko Furuta; Tetsuro Ago; Takanari Kitazono; Yutaka Kiyohara; Toshiharu Ninomiya


Archive | 2016

Validity of the JNC VI Recommendations for the Management of Hypertension in a General Population of Japanese Elderly

Hisatomi Arima; Yumihiro Tanizaki; Yutaka Kiyohara; T Tsuchihashi; Isao Kato; Michiaki Kubo; Keiichi Tanaka; Ken Ohkubo; Hidetoshi Nakamura; Isao Abe; Masatoshi Fujishima; Mitsuo Iida

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Kazuaki Shimamoto

Sapporo Medical University

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