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タイトルModified least-squares法を用いた非放射性キセノン吸入によるコンピューター断層脳血流検査
タイトルヨミModified least-squares ホウ オ モチイタ ヒ ホウシャセイ キセノン キュウニュウ ニ ヨル コンピューター ダンソウ ノウ ケツリュウ ケンサ
タイトル別表記Measurement and imaging of cerebral blood flow with stable xenon and computed tomography using modified least-squares analysis
作成者山下, 哲男
中野, 茂樹
林, 政明
阿美古, 征生
青木, 秀夫
作成者ヨミヤマシタ, テツオ
ナカノ, シゲキ
ハヤシ, マサアキ
アビコ, セイショウ
アオキ, ヒデオ
作成者別表記Yamashita, Tetsuo
Nakano, Shigeki
Hayashi, Masaaki
Abiko, Seisho
Aoki, Hideo
作成者所属山口大学医学部
内容記述(抄録等)Studies of stable xenon CT CBF technique with a newly developed closed system inhalator are reported. The patient inhales 30% of xenon for six minutes using a closed system(XETRON 3) while a series of CT scans is obtained using a Somaton DR 3 CT scanner. Endtidal xenon concentration is measured using a xenon monitor (AZ-723-XS), and CBF is calculated with Siemens medical CT CBF imaging software. The software uses Koeppe's mocified nonlinear least-squares analysis for calculation of f and k in Kety-Schmidt's equation. The scan slice level was selected about 5 cm above and parallel to orbitomeatal line, showing the pineal body and both glomus of the choroid plexus. CBF was evaluated in the region of interest corresponding to anatomical structure. Ten cases were studied including five normal adults, three cases of headache, one of small acoustic neurinoma and one of hemifacial spasm. There were seven males and three females, with ages ranging from 25 to 59 years old and averaging 43. In this system, normal averaging CBF (ml/100g/min) of left and right hemisphere was 52.0±9.0 and 51.1±7.4, respectively. The results are reasonable and this technique has the potential for broad utilization as a cheap, less-invasive three dimensional method of clinical examination for the evaluation of brain disorders.
本文言語jpn
主題医学
資料タイプtext
出版者山口大学医学会
出版者ヨミヤマグチ ダイガク イガッカイ
NII資料タイプ学術雑誌論文
査読の有無査読あり
ISSN0513-1731
NCIDAN00243156
学内刊行物(紀要等)山口医学
掲載誌名山口医学
37
4
開始ページ247
終了ページ253
発行日1988-08
著者版/出版社版その他
リポジトリIDB030037000404
地域区分山口大学
URIhttp://www.lib.yamaguchi-u.ac.jp/yunoca/handle/B030037000404