Myocardial perfusion magnetic resonance imaging for diagnosing coronary arterial stenosis - Evaluation by signal-intensity time curves
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概要
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It has been reported that myocardial perfusion MRI is a useful method for evaluating the severity of myocardial ischemia. We evaluated whether the severity of coronary arterial stenosis could be assessed by the signal-intensity time curve (SITC) obtained by myocardial perfusion MRI.<br> The subjects consisted of 10 patients who showed no abnormalities on coronary angiographies (CAG) (A group), 12 with single-vessel disease of 75-90% stenosis on CAG (B group), and 15 with single-vessel disease of 90% or more stenosis (C group). After infusion of dipyridamole for 4 minutes, gadolinium-diethylenetriamine pentaacetic acid was administered intravenously, followed by serial acquisition of T1-weighted left ventricular short-axis MR images. These images were evaluated after dividing them into the following 3 myocardial segments: anterior wall, lateral wall, and inferior wall. Mean values of the slope of SITC (1.4 ± 0.2 vs 1.1 ± 0.2, <i>P </i>
- Japanese Heart Journal Associationの論文
著者
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Harada M
Department Of Chemistry Graduate School Of Science The University Of Tokyo
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Ito S
Second Department Of Internal Medicine Tokushima University
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Kinoshita Manabu
Division of Cardiology, Kagawa Prefectural Shirotori Hospital
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Nomura Masahiro
Second Department of Internal Medicine, School of Medicine, University of Tokushima
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Kinoshita M
Division Of Applied Biosciences Graduate School Of Agriculture Kyoto University
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Nakaya Y
Department Of Nutrition And Metabolism Institute Of Health Biosciences The University Of Tokushima G
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Nomura M
Second Department of Internal Medicine, School of Medicine, University of Tokushima
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Bando S
Division of Cardiology, Kagawa Prefectural Shirotori Hospital
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