Comparative Study of Dobutamine Stress Electron-Beam Computed Tomography and Exercise Thallium Scintigraphy in the Diagnosis of Patients With Suspected Coronary Artery Disease
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概要
- 論文の詳細を見る
To evaluate the diagnostic value of dobutamine stress electron-beam computed tomography (EBCT) as compared with exercise stress thallium-201 single-photon emission computed tomography (^<201>Tl-SPECT) for the detection of myocardial ischemia, 10 patients with proven or suspected coronary artery disease underwent both tests. Nine of the 10 patients also on underwent coronary angiography. EBCT images were analyzed objectively to evaluate systolic wall thickening and analyzed segmentally to determine the distribution of the coronary arteries. Dobutamine stress EBCT revealed the presence of ischemia in 59 segments, whereas exercise stress ^<201>Tl-SPECT revealed ischemia in 51 segments (agreement=73%). The advantage of dobutamine stress EBCT was demonstrated in the inferior/posterior segments as compared with the results of exercise stress ^<201>Tl-SPECT. The overall sensitivity for detecting ischemic regions supplied by coronary arteries with significant stenosis (diameter stenosis>50%) was 83% for dobutamine stress EBCT and 79 % for exercise stress ^<201>Tl-SPECT (p=NS), with specificities of 75% and 82% (p=NS). Thus, dobutamine stress EBCT presents a reasonable alternative to exercise stress ^<201>Tl-SPECT for the objective assessment of patients with suspected coronary artery disease.
- 社団法人日本循環器学会の論文
- 1998-01-20
著者
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Imazu Michinori
Division Of Cardiology Tsuchiya General Hospital
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Imazu Michinori
Department Of Medicine Ajina Tsuchiya Hospital
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Ito Katsuhide
Department Of Radiology Hiroshima University
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Ito Katsuhide
Department Of Radiology Hiroshima University School Of Medicine
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NAKANISHI Tadashi
Department of Clinical Laboratory and Medicine, Kyoto Prefectural University of Medicine
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Imazu Michinori
Second Division, Department of Internal Medicine, Hiroshima University
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Yamabe Takashi
Second Division, Department of Internal Medicine, Hiroshima University
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Yamakido Michio
Second Division, Department of Internal Medicine, Hiroshima University
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Ito Katsuhide
Department Of Physics School Of Science And Engineering Waseda University
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Hattori Yoshihiro
Second Department of Internal, Medicine
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Yamakido Michio
Second Deparment Of Internal Medicine Hiroshima University School Of Medicine
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Nakanishi Tadashi
Department Of Radiology Hiroshima University School Of Medicine
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Yamabe Takashi
Second Department Of Internal Medicine
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Hattori Yoshihiro
Second Department Of Internal Medicine
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Nakanishi Tadashi
Department Of Cardiovascular Medicine Kyoto Prefectural University School Of Medicine
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Imazu Michinori
Second Department Of Internal Medicine Hiroshima University School Of Medicine
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