『徳島大学 教育・研究者情報データベース (EDB)』---[学外] /
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種別 (必須): 学術論文 (審査論文) [継承]
言語 (必須): 英語 [継承]
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カテゴリ (推奨):
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学究種別 (推奨):
組織 (推奨):
著者 (必須): 1. (英) Ohmine Yuken (日) (読)
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2.森本 忠興
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3.木内 陽介
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4.入谷 忠光
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5.竹内 美惠子
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6.葉久 真理 ([徳島大学.大学院医歯薬学研究部.保健学域.保健科学部門.看護学系.助産学])
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7.西谷 弘
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題名 (必須): (英) Basic study of new diagnostic modality according to non-invasive measurement of the electrical conductivity of tissues  (日)    [継承]
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要約 (任意): (英) The purposes of this study were to estimate the electrical conductivity of tissues by non-invasively measuring the electrical bio-impedance, to develop a new method for tissue diagnosis, i.e., electrical impedance tomography (EIT). Tissue models were first designed taking into consideration the distribution of the fat tissue, muscle and bone in the human forearm, and then the intra-tissue distributions of electrical potential and field, and the electrical impedance in the models was theoretically analyzed by the three-dimensional finite element method. The electrical impedance of both forearms was measured in healthy human subjects, and estimated the electrical conductivity of individual local tissues. The results of the analysis showed that the distributions of electrical potential and field were affected by the presence of fat tissue but not by the presence or absence of bone. In addition, as a result of calculation of the electrical resistance of the extracellular fluid (Re) in each model, it was found that the value of bio-impedance was influenced by the presence of fat tissue, and the value of bio-impedance was increased by the intervention of a fat layer. The electrical conductivity estimated by fitting the observed values to the values obtained by finite element analysis was 0.40 S/m and 0.15 S/m for male muscle and fat tissue, and 0.35 S/m and 0.11 S/m for female muscle and fat tissue, respectively. The sex difference in the slope of linear approximation in the estimation of electrical conductivity of the males and females was thought to be due to sex differences in the properties and structure of fat tissue. These results suggest that local tissues can be diagnosed differentially and electrically by percutaneous measurement of local bio-impedance and subsequent estimation of the electrical conductivity of each tissue.  (日)    [継承]
キーワード (推奨): 1. (英) electrical bio-impedance (日) (読) [継承]
2. (英) electrical conductivity (日) (読) [継承]
3. (英) measurement (日) (読) [継承]
4. (英) non-invasive electrode (日) (読) [継承]
5. (英) soft tissue (日) (読) [継承]
発行所 (推奨): 徳島大学.医学部 [継承]
誌名 (必須): The Journal of Medical Investigation : JMI ([徳島大学.医学部])
(pISSN: 1343-1420, eISSN: 1349-6867)

ISSN (任意): 1343-1420
ISSN: 1343-1420 (pISSN: 1343-1420, eISSN: 1349-6867)
Title: The journal of medical investigation : JMI
Title(ISO): J Med Invest
Supplier: 徳島大学
Publisher: Tokushima Daigaku Igakubu
 (NLM Catalog  (Webcat Plus  (医中誌Web  (J-STAGE  (Scopus  (CrossRef (Scopus information is found. [need login])
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(必須): 3,4 [継承]
(必須): 218 225 [継承]
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年月日 (必須): 西暦 2004年 8月 初日 (平成 16年 8月 初日) [継承]
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DOI (任意): 10.2152/jmi.51.218    (→Scopusで検索) [継承]
PMID (任意): 15460909    (→Scopusで検索) [継承]
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機関リポジトリ : 110744 [継承]
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備考 (任意): 1.(英) Article.Affiliation: Department of Surgery, Awa Hospital Tokushima Prefectural Welfare Federation on Agricaltural Cooperative, Tokushima, Japan.  (日)    [継承]
2.(英) Article.PublicationTypeList.PublicationType: Journal Article  (日)    [継承]

標準的な表示

和文冊子 ● Yuken Ohmine, Tadaoki Morimoto, Yohsuke Kinouchi, Tadamitsu Iritani, Mieko Takeuchi, Mari Haku and Hiromu Nishitani : Basic study of new diagnostic modality according to non-invasive measurement of the electrical conductivity of tissues, The Journal of Medical Investigation : JMI, Vol.51, No.3,4, 218-225, 2004.
欧文冊子 ● Yuken Ohmine, Tadaoki Morimoto, Yohsuke Kinouchi, Tadamitsu Iritani, Mieko Takeuchi, Mari Haku and Hiromu Nishitani : Basic study of new diagnostic modality according to non-invasive measurement of the electrical conductivity of tissues, The Journal of Medical Investigation : JMI, Vol.51, No.3,4, 218-225, 2004.

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