| Japanese |
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| Title | シングル・プローベシステム (核聴診器) による左心機能の評価 |
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| Subtitle | 原著 |
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| Authors | 西村恒彦*, 植原敏勇*, 小塚隆弘 |
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| Authors(kana) | |
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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 | 17 |
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| Number | 6 |
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| Page | 699-706 |
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| Year/Month | 1980/7 |
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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RIアンジオグラフィは近年左心機能の評価に汎用されつつある. non-imaging deviceとしてのNuclear Stethoscope (核聴診器) は局所壁運動の観察を除けば, マイクロプロセッサーを利用した専用機として駆出分画など左心機能に関するパラメータを定量的に, しかもリアルタイムで測定できる. 本研究では, 左心機能の評価に関して, 同一症例にてカメラ・コンピュータシステムおよび心カテーテル検査による左室造影から求めた駆出分画と比較したところ, それぞれ0.82, 0.79と良好な相関が得られた. また臨床応用として, 第1に虚血性心疾患におけるハンドグリップ, エルゴメータによる運動負荷前後の心機能を測定した. 第2に, 心拍ごと (beat-to-beat) の駆出分画が測定できることから不整脈症例において心周期に基づく容積変化を検討した. |
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| Practice | 臨床医学：一般 |
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| Keywords | Nuclear Stethoscope, Non-imaging device, Left ventricular function, Handgrip, ergometer exercise test, Arrythmia |
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| English |
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| Title | Evaluation of Left Ventricular Function by Single Probe System (Nuclear Stethoscope) |
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| Subtitle | Original Articles |
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| Authors | Tsunehiko NISHIMURA*, Toshiisa UEHARA*, Takahiro KOZUKA* |
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| Authors(kana) | |
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| Organization | *Department of Radiology and Nuclear Medicine, National Cardiovascular Center |
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| Journal | The Japanese Journal of nuclear medicine |
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| Volume | 17 |
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| Number | 6 |
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| Page | 699-706 |
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| Year/Month | 1980/7 |
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| Article | Original article |
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| Publisher | THE JAPANESE SOCIETY OF NUCLEAR MEDICINE |
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| Abstract | [Summary] Quantitative evaluation of left ventricular performance is considered to be one of the most useful tools in routine and critical cardiac patients diagnosis. The Nuclear Stethoscope (N. S. ) is a unique cardiac probe system that provides a precise, rapid, noninvasive method to directly quantify ventricular functions at the bedside or acutual beat-to-beat or composite beat basis. The accuracy and valiadaty of N. S. were studied in 42 patients with cardiac diseases in comparison with camera-computer EF. The N. S. EF. was well correlated with camera-computer EF (r=0.82) and 17 patients with cardiac catheterization, contrast EF was well correlated N. S. EF (r=0.78) , while the correlation coefficients of cameracomputer and contrast EF was 0.89. The N. S. EF would be available for routine work noninvasively. In this study, clinical application of N. S. was as follows. 1. beat-to-beat left ventricular volume responce for evaluation of arrythmia (atrial fibrillation, premature ventricular conduction, bigemy et al) 2. exercise study by handgrip and ergometer. EF is an extremely sensitive indicator to discriminate coronary arteries diseases from normal subjects. |
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| Practice | Clinical medicine |
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| Keywords | Nuclear Stethoscope, Non-imaging device, Left ventricular function, Handgrip, ergometer exercise test, Arrythmia |
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