| Japanese |
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| Title | RIアンギオグラフィーにおける時間因子の定量化 - functional imageによる心肺循環時間の評価 - |
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| Subtitle | 原著 |
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| Authors | 中嶋憲一*, 分校久志*, 前田敏男*, 山田正人**, 小島一彦***, 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教室, **金沢大学附属病院アイソトープ部, ***金沢大学医療技術短期大学部 |
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| Journal | 核医学 |
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| Volume | 18 |
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| Number | 3 |
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| Page | 303-308 |
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| Year/Month | 1981/4 |
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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アンギオグラフィーのデータをミニコンピュータシステムに収集し, 時間のfunctional imageとしてpeak time imageとhalf time imageを作製した. Peak time imageは心肺系各部位の通過時間の指標とし, half-time imageはtracerのclearanceの指標とした. 心機能正常者20例で心肺系の各部位についてpeak time, half timeの正常値を決定した. Peak timeはbolusのpeakの上大静脈通過時を常に1秒として表示すると, 右室で2.0±0.3(S.D.)秒, 右肺・左肺で4.5±0.5秒, 左室で7.6±0.7秒であった. Half timeは右室で2.0±0.6秒, 右肺で3.2±0.5秒, 左肺で3.3±0.6秒, 左室で3.8±0.9秒であった. 虚血性心疾患例ではこれらの因子に有意の遅延を認めた. |
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| Practice | 臨床医学：一般 |
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| Keywords | functional image, transit time, radionuclide angiography, cardiopulmonary hemodynamics. |
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| English |
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| Title | Evaluation of Cardiopulmonary Circulation Time with Functional Images |
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| Subtitle | Original Articles |
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| Authors | Ken'ichi NAKAJIMA*, Hisashi BUNKO*, Toshio MAEDA*, Masato YAMADA**, Kazuhiko KOJIMA***, Norihisa TONAMI*, Kin'ichi HISADA* |
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| Authors(kana) | |
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| Organization | *Department of Nuclear Medicine, School of Medicine, Kanazawa University, **Division of Radioisotope Service, Kanazawa University Hospital, ***School of Paramedicine, Kanazawa University |
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| Journal | The Japanese Journal of nuclear medicine |
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| Volume | 18 |
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| Number | 3 |
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| Page | 303-308 |
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| Year/Month | 1981/4 |
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| Article | Original article |
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| Publisher | THE JAPANESE SOCIETY OF NUCLEAR MEDICINE |
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| Abstract | [Summary] Functional images of circulation time, peak time image and half time image, were generated using a scintillation camera with a minicomputer system. Peak time image represents the progression of a bolus through heart, lungs and great vessels. Half time image is considered to reflect the regional clearance of the tracer. Normal values of peak time and half time were determined from subjects without evidence of cardiopulmonary disease. Nomal values (n=20) of peak time were: superior vena cava (SVC), always designated to 1 sec; right ventricle (RV), 2.0+-0.3 (SD) sec; lungs 4.5+-0.5 sec; left ventricle (LV), 7.6+-0.7 sec and that of half time were: RV, 2.0+-0.6 (SD) sec; right lung, 3.2+-0.5 sec; left lung, 3.3+-0.6 sec; LV, 3.8+-0.9 sec. In case of ischemic heart disease, these parameters were significantly delayed and supposed to be useful for the evaluations of cardiopulmonary hemodynamics. |
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| Practice | Clinical medicine |
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| Keywords | functional image, transit time, radionuclide angiography, cardiopulmonary hemodynamics. |
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