| Japanese |
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| Title | 心プール・シンチグラフィを用いた心筋梗塞症における両心機能の評価 - 駆出分画, 容積, 位相差の算出を用いて - |
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| Subtitle | 原著 |
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| Authors | 西村恒彦*, 植原敏勇*, 林田孝平*, 大嶺広海*, 小塚隆弘* |
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| Organization | *国立循環器病センター放診部 |
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| Journal | 核医学 |
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| Volume | 21 |
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| Number | 11 |
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| Page | 1403-1411 |
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| Year/Month | 1984/11 |
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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」心プールシンチグラフィを用いて, 両心室における駆出分画, 容積に加え, 位相, 振幅イメージを作成, 心筋梗塞症例における梗塞部位, 拡がりと両心機能について検討した. 対象は心筋梗塞60例 (前壁35例, 下壁17例, 右室8例) および正常10例である. 正常例に比し, LVEFは前壁梗塞群で有意に低下, また, RVEFは右室塞群で有意に低下した, 左右心室容積と1回拍出量の関係を左室, 右室における心機能曲線として表現すると, 前著では前壁梗塞群で, 後著では右室梗塞群で曲線上では右下方に位置した. また梗塞部位では振幅の減少, 位相の遅れおよび位相ヒストグラムで標準偏差の増大を両心室の傷害の程度に応じ認めた. また, 両心室のcross talk現象は, 両心室の傷害を有する右室梗塞以外, 認められることは少ない. これは, 肺野が左心と右心間の緩衝系となるために, 肺動脈圧の上昇をきたすような著明な心不全の合併がないかぎり, cross talk現象は, 心筋梗塞症において前面に表われる現象でないことが示唆された. このように, 心プールシンチグラフィは非観血的に両心機能の定量的評価に役立つことが証明された. |
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| Practice | 臨床医学：一般 |
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| Keywords | Right ventricular ejection fraction (RVEF), Left ventricular ejection fraction (LVEF), Ventricular volume, Phase and amplitude analysis, Myocardial infarction |
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| English |
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| Title | Evaluation of Right and Left Ventricular Function in the Patients with Myocardial Infarction Using Quantitative Radionuclide Cardioangiography : Analysis by Ejection Fraction, Ventricular Volume and Functional Image |
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| Subtitle | Original Articles |
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| Authors | Tsunehiko NISHIMURA, Toshiisa UEHARA, Kohei HAYASHIDA, Hiromi OHMINE, Takahiro KOZUKA |
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| Authors(kana) | |
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| Organization | Department of Radiology, National Cardiovascular Center |
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| Journal | The Japanese Journal of nuclear medicine |
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| Volume | 21 |
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| Number | 11 |
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| Page | 1403-1411 |
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| Year/Month | 1984/11 |
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| Article | Original article |
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| Publisher | THE JAPANESE SOCIETY OF NUCLEAR MEDICINE |
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| Abstract | [Summary] We evaluated right and left ventricular function in the case of myocardial infarction (MI) by radionuclide cardioangiography. The right and left ventricular ejection fraction (RVEF, LVEF) and ventricular volume (RVEDV, LVEDV) were calculated. And, phase and amplitude images were also obtained from gated blood pool scan. There were 60 cases of MI (35 anterior MI, 17 inferior MI and 8 right ventricular MI) and 10 normal cases. The LVEF was depressed in anterior MI (36+-14%) and RVEF was depressed in right ventricular MI (37+-5%). In addition, LVEDV was increased in anterior MI(163+-47 ml) and RVEDV increased in right ventricular MI (208+-33 ml), respectively. The amplitude of infarcted area was decreased. And the phase angle of LV was delayed in anterior MI and that of RV was delayed in right ventricular MI. Therefore, in the case of right ventricular MI, the depression of LVEF and RVEF was caused by the biventricular myocardial damage. And the cross talk phenomenon of biventricle was rarely observed, since the lung acts as the buffer between RV and LV. In conclusion, these noninvasive, methods provide useful information on the biventricular function in the case of myocardial infarction. |
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| Practice | Clinical medicine |
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| Keywords | Right ventricular ejection fraction (RVEF), Left ventricular ejection fraction (LVEF), Ventricular volume, Phase and amplitude analysis, Myocardial infarction |
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