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  1. 医学
  2. 発表論文(医学系)

3.0 T MRI における心電図同期3D-FSE 差分法を用いた非造影MRA の基礎的検討

http://hdl.handle.net/2298/19059
http://hdl.handle.net/2298/19059
75b900a6-cff9-4b9f-95b7-0c7e5758216e
名前 / ファイル ライセンス アクション
JJRT_66_8_863-869.pdf JJRT_66_8_863-869.pdf (529.1 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2011-06-06
タイトル
タイトル 3.0 T MRI における心電図同期3D-FSE 差分法を用いた非造影MRA の基礎的検討
言語
言語 jpn
キーワード
主題 3.0 T MRI, non-contrast-enhanced MRA, NATIVE
資源タイプ
資源タイプ journal article
著者 肥合, 康弘

× 肥合, 康弘

WEKO 110818

肥合, 康弘

Search repository
中戸, 研吾

× 中戸, 研吾

WEKO 110819

中戸, 研吾

Search repository
冨口, 静二

× 冨口, 静二

WEKO 110820

冨口, 静二

Search repository
別言語の著者 肥合, 康弘

× 肥合, 康弘

WEKO 147584

ja 肥合, 康弘
ISNI

ja-Kana ヒアイ, ヤスヒロ

en Hiai, Yasuhiro

Search repository
Nakato, Kengo

× Nakato, Kengo

WEKO 110825

Nakato, Kengo

Search repository
冨口, 静二

× 冨口, 静二

WEKO 111333

ja 冨口, 静二
ISNI

ja-Kana トミグチ, セイジ

en Tomiguchi, Seiji

Search repository
内容記述
内容記述 Contrast-enhanced magnetic resonance angiography (CE-MRA) is frequently performed in body and extremity studies because of its superior ability to detect the vascular stenosis. However, nephrotoxicity of the contrast medium has been emphasized in recent years. Non-contrast MRA using the three-dimensional electrocardiogram-synchronized fast spin echo method (FBI, NATIVE and TRANCE) is recommended as a substitute for CE-MRA. There are a few reports in the literature that evaluate the detectability of vascular stenosis using non-contrast MRA on 3.0 T MRI.
内容記述
内容記述 The purpose of this study was to evaluate the detectability of vascular stenosis using non-contrast MRA at 3.0 T with an original vascular phantom. The vascular phantom consisted of silicon tubes. 30% and 70% stenosis of luminal diameter were made. Each silicon tube connected a pump producing a pulsatile flow. A flowing material to was used in this study to show the similarity of the intensity to blood on MRI. MRA without a contrast medium (NATIVE sequence) were performed in the vascular phantom by changing the image matrix, static magnetic field strength and flow velocity. In addition, the NATIVE sequence was used with or without flow compensation. Vascular stenosis was quantitatively estimated by measurement of the signal intensities in non-contrast MRA images. MRA with NATIVE sequence demonstrated an accurate estimation of 30% vascular stenosis at slow flow velocity. However, 30% stenosis was overestimated in cases of high flow velocity. Estimation was improved by using a flow compensation sequence. 70% stenosis was overestimated on MRA with NATIVE sequence. Estimation of 70% stenosis was improved by using a flow compensation sequence. Accurate estimation of vascular stenosis in MRA with a NATIVE sequence is improved by using the flow compensation technique. MRA with NATIVE sequence is considered to be a promising method for the evaluation of patients with severe renal dysfunction as a substitute for CT angiography or CE-MRA.
書誌情報 日本放射線技術学会雑誌

巻 66, 号 8, p. 863-869, 発行年 2010-10-13
権利
権利情報 公益社団法人 日本放射線技術学会
フォーマット
内容記述 application/pdf
フォーマット
内容記述 application/pdf
形態
529078 bytes
形態
58334 bytes
著者版フラグ
出版タイプ VoR
日本十進分類法
主題 492.4
その他の言語のタイトル
その他のタイトル A Fundamental Study of Non-contrast Enhanced MR Angiography Using ECG Gated-3D Fast Spin Echo at 3.0 T
タイトル(ヨミ)
その他のタイトル 3.0 T MRI ニ オケル シンデンズ ドウキ 3D-FSE サブンホウ オ モチイタ ヒゾウエイ MRA ノ キソテキ ケントウ
出版者
出版者 公益社団法人 日本放射線技術学会
資源タイプ
内容記述 論文(Article)
資源タイプ・ローカル
雑誌掲載論文
資源タイプ・NII
Journal Article
資源タイプ・DCMI
text
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