Japanese |
Title | 安静時Tl-201心筋SPECT像による心筋viabilityの評価 |
Subtitle | 原著 |
Authors | 田中健*, 相澤忠範*, 加藤和三*, 小笠原憲*, 桐ヶ谷肇*, 岡本淳*, 細井宏益* |
Authors(kana) | |
Organization | *心臓血管研究所 |
Journal | 核医学 |
Volume | 28 |
Number | 9 |
Page | 1035-1040 |
Year/Month | 1991/9 |
Article | 原著 |
Publisher | 日本核医学会 |
Abstract | 「要旨」前壁心筋梗塞19例を対象として, 安静時Tl-201心筋SPECT像の矢状面よりTl-201摂取率を求め, 左室造影より対応部位のshortening rate(SR)をradial methodにより求めた. 前壁のTl-201摂取率のプロフィールカーブは7例において平坦で, 12例において心基部から心尖部へと減少を示し, この12例中9例においてSRが0%となり, この部位のTl-201摂取率は46.3±6.8%(58-36)であった. SR=41.2+1.03% Tl-uptake(r=0.54, p<0.001)と正の相関を示した. SRが20%以上の90ポイントのうち, 87ポイント(97%)までのTl-201摂取率が60%以上であり, Tl-201摂取率が60%以上を示す101ポイントのうち, 87ポイント(86%)のSRが20%以上であった. Tl-201心筋SPECT像において, Tl-201摂取率が60%以上の部位には, 心筋viabilityが確実にあると考えられた. Tl-201摂取率は, 心筋viabilityの定量的指標として有用と考えられた. 心筋viability評価の可能性を検討した. |
Practice | 臨床医学:一般 |
Keywords | Myocardial viability, Tl-201 myocardial SPECT images, %Tl-201 uptake, Shortening rate. |
English |
Title | Utility of Rest Tl-201 Myocardial SPECT Images for Estimating Myocardial Viability |
Subtitle | Original Articles |
Authors | Takeshi TANAKA, Tadanori AIZAWA, Kazuzo KATO, Ken OGASAWARA, Hajime KIRIGAYA, Kiyoshi OKAMOTO, Hiromitsu HOSOI |
Authors(kana) | |
Organization | The Cardiovascular Institute |
Journal | The Japanese Journal of nuclear medicine |
Volume | 28 |
Number | 9 |
Page | 1035-1040 |
Year/Month | 1991/9 |
Article | Original article |
Publisher | THE JAPANESE SOCIETY OF NUCLEAR MEDICINE |
Abstract | [Summary]Rest Tl-201 myocardial SPECT images were underwent in 19 patients with anterior wall myo-cardial infarction under PTCR one month after the onset of acute myocardial infarction. The rela-tionship between shortening rate (SR) of the left ventricle estimated by radial method and corresponding %Tl-201 uptake obtained by circumferential profile analysis was studied. For each patients 10 points on the anterior wall were taken into consideration. Seven patients showed depressive flat profile curve and 12 patients showed slant curve, in which %Tl-201 uptake continuously decreased from base to apex. Well correlation was obtained between SR and %Tl-201 uptake (SR=-41.2+1.03% Tl-201 up-take, r=0.54, p<0.001). Average %Tl-201 uptake corresponding to SR=0 was 46.3+6.8% (36-58). The sensitivity of %Tl-201 uptake >= 60% for SR 20% was 97% (87/90) and specificity was 69% (31/45). Tl-201 myocardial SPECT images were useful for estimating myocardial viability and %Tl-201 uptake was one of excellent parameters for quan-titatively estimating myocardial viability. |
Practice | Clinical medicine |
Keywords | Myocardial viability, Tl-201 myocardial SPECT images, %Tl-201 uptake, Shortening rate. |