| Japanese |
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| Title | 運動負荷Tl-201心筋シンチグラフィ24時間像による心筋viabilityの評価 |
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| Subtitle | ≪原著≫ |
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| Authors | 滝淳一*, 中嶋憲一*, 分校久志*, 谷口充*, 川筋道雄**, 利波紀久*, 久田欣一* |
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| Authors(kana) | |
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| Organization | *金沢大学医学部核医学科, **第一外科 |
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| Journal | 核医学 |
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| Volume | 28 |
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| Number | 12 |
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| Page | 1423-1428 |
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| Year/Month | 1991/12 |
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| Article | 原著 |
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| Publisher | 日本核医学会 |
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| Abstract | 「要旨」運動負荷Tl-201心筋シンチグラフィによる心筋viability評価の精度向上のために24時間像追加を試み, 血行再建術後の血流改善結果と照らし合わせ, その有用性を検討した. 運動負荷3時間後像にて再分布を示さなかった集積低下の32症例37病変を対象とし, 24時間像を1方向あたり40秒のデータ収集にて追加し, その有用性を検討した. 24時間像は全例において再分布の評価に耐える画質を示し, 19病変(51%)にて再分布を示した. このうち21症例25病変に対して血行再建術を施行したところ, 24時間像にて初めて再分布を示した13病変のうち, 12病変(92%)で術後に血流改善を認めた. 24時間像にても再分布のない12病変では, 術後も8病変(67%)で血流改善を示さなかった. 24時間像は1日で検査を終了することができないが, 余分なTlの追加投与をすることなく心筋viabilityを評価できる有用な方法と考えられた. |
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| Practice | 臨床医学：一般 |
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| Keywords | Tl-201, 24-hour image, Coronary artery disease, Myocardial viability. |
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| English |
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| Title | Assessment of Myocardial Viability by 24-Hour Imaging after Stress Thallium-201 Scintigraphy |
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| Subtitle | - Original Articles - |
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| Authors | Junichi TAKI*, Kenichi NAKAJIMA*, Hisashi BUNKO*, Mitsuru TANIGUCHI*, Michio KAWASUJI**, Norihisa TONAMI*, Kinichi HISADA* |
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| Authors(kana) | |
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| Organization | *Department of Nuclear Medicine, **Second Department of Surgery, Kanazawa University School of Medicine |
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| Journal | The Japanese Journal of nuclear medicine |
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| Volume | 28 |
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| Number | 12 |
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| Page | 1423-1428 |
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| Year/Month | 1991/12 |
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| Article | Original article |
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| Publisher | THE JAPANESE SOCIETY OF NUCLEAR MEDICINE |
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| Abstract | [Summary] Twenty-four-hour delayed imaging after stress thallium-201 scintigraphy was assessed for more accurate detection of viable myocardium. Thirty-two patients with coronary artery disease who showed fixed perfusion abnormality (FPA) at 3 hr imaging after stress Tl study were evaluated with 24 hr delayed imaging. Of 37 areas with FPA, 19 areas (51%) showed redistribution (RD) at 24 hr imaging. After successful coronary artery bypass grafting (n=19) or transluminal coronary angioplasty (n=3), stress Tl scintigraphy was performed. Of 13 areas with RD at 24 hr imaging, 12 revealed improvement of Tl uptake after revascularization. On the other hand, of 12 areas with FPA until 24 hr, 8 showed no improvement, In conclusion, conventional stress Tl-201 scintigraphy underestimates myocardial viability, and additional 24 hr imaging permits more accurate assessment of myocardial viability. |
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| Practice | Clinical medicine |
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| Keywords | Tl-201, 24-hour image, Coronary artery disease, Myocardial viability. |
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