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重力効果を利用した慢性心不全における肺野濃度上昇に対する超高速CTを用いた定量的評価法についての臨床的検討
http://hdl.handle.net/10422/85
http://hdl.handle.net/10422/856f5b2a5f-ec07-423a-bd2f-b00865531a48
名前 / ファイル | ライセンス | アクション |
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jsums13p005.pdf (7.9 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2016-04-12 | |||||
タイトル | ||||||
言語 | ja | |||||
タイトル | 重力効果を利用した慢性心不全における肺野濃度上昇に対する超高速CTを用いた定量的評価法についての臨床的検討 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Clinical evaluation for vertical gradient of lung CT density in patients with chronic heart failure using ultrafast CT | |||||
タイトル | ||||||
言語 | ja-Kana | |||||
タイトル | ジュウリョク コウカ ヲ リヨウシタ マンセイ シンフゼン ニ オケル ハイヤ ノウド ジョウショウ ニ タイスル チョウコウソク CT ヲ モチイタ テイリョウテキ ヒョウカホウ ニツイテノ リンショウテキ ケントウ | |||||
言語 | ||||||
言語 | jpn | |||||
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 | departmental bulletin paper | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
著者 |
三品, 淳資
× 三品, 淳資× 村田, 喜代史× 森田, 陸司 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The daignosis of mild increase in the lung CT density, which is seen in patients withheart failure, is difficult because it is influenced by window settings and respiratory levels. The purpose of this study was to develope a quantitative method which is independent from alteration of respiratory levels. High resolution ultra fast CT was performed in 7 volunteers and 192patients with heart disease using 0. 1 msec-scanning time without breath-holding. Lung fields were divided into three ROIs (anterior, intermediate, and posterior lung) at the three constant slice levels. About all subjects, mean lung density of anterior lung and that of posterior lung was measured, and the difference between mean lung density of anterior lung and that of posterior lung was calculated. It was found that strong linear relationship between the lung density of posterior lung and the difference in both the volunteers (r -0.94-0.98) and the patients (r -0.72-0.88). Moreover, the 192 patients were divided into two groups; cardiac dyspnea group, who had present illness or past history of cardiac failure from chronic heart failure, and no dyspnea group, who had no such history. In each lung field, the regression line in cardiac dyspnea groupwas below that in no heart failure group. And. each Y-intercept of the former was statistically lower than the latter in upper and middle slice levels (p<0.05-0.001). In conclusion, correlation between the difference between mean lung density of anterior lung and that of posterior lungand mean lung density of posterior lung was useful index to estimate the change of lung CT density in chronic heart failure without respiratory influence. | |||||
言語 | en | |||||
書誌情報 |
ja : 滋賀医科大学雑誌 巻 13, p. 5-15, 発行日 1998-02 |
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出版者 | ||||||
言語 | ja | |||||
出版者 | 滋賀医科大学雑誌刊行会 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10044327 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |