Automatic Motion Correction for Quantification of Myocardial Perfusion with Dynamic Magnetic Resonance Imaging
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概要
- 論文の詳細を見る
Respiratory motion makes it difficult to quantify myocardial perfusion with dynamic magnetic resonance imaging (MRI). The purpose of this study was to evaluate an automatic registration method for motion correction for quantification of myocardial perfusion with dynamic MRI. The present method was based on the gradient-based method with robust estimation of displacement parameters. For comparison, we also corrected for motion with manual registration as the benchmark. The myocardial kinetic parameters, K1 (rate constant for transfer of contrast agent from blood to myocardium) and k2 (rate constant for transfer from myocardium to blood), were calculated from dynamic images with a two-compartment model. The images corrected by the present method were similar to those corrected by manual registration. The kinetic parameters obtained after motion correction with the present method were close to those obtained after motion correction with manual registration. These results suggest that the present method is useful for motion correction for quantification of myocardial perfusion with dynamic MRI.
- 日本磁気共鳴医学会の論文
- 2004-10-15
著者
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Kawakami Atsushi
Department of Biological Information, Tokyo Institute of Technology
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TANKI Nobuyoshi
Department of Clinical Radiology, Faculty of Health Sciences, Hiroshima International University
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MURASE Kenya
Department of Medical Engineering, Division of Allied Health Sciences, Osaka University Medical Scho
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WATANABE YUJI
Department of Nuclear Medicine, Faculty of Medicine, Kyoto University
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Murase Kenya
Department Of Medical Physics And Engineering Division Of Medical Technology And Science Course Of H
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Kawakami Atsushi
Department Of Biological Information Tokyo Institute Of Technology
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Kumashiro Masayuki
Department Of Radiology Kurashiki Central Hospital
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Tanki Nobuyoshi
Department Of Medical Physics And Engineering Division Of Medical Technology And Science Course Of H
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Tanki Nobuyoshi
Department Of Clinical Radiology Faculty Of Health Sciences Hiroshima International University
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YAMAZAKI Youichi
Department of Medical Engineering, Division of Allied Health Sciences, Osaka University Medical Scho
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Watanabe Yuji
Department Of Nuclear Medicine Faculty Of Medicine Kyoto University
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Kawakami Atsushi
Department Of Medical Physics And Engineering Division Of Medical Technology And Science Course Of H
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Murase Kenya
Department Of Medical Engineering Division Of Allied Health Sciences Osaka University Medical School
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KAWAKAMI Kazunori
Department of Medical Physics and Engineering, Division of Medical Technology and Science, Course of
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TABUCHI Takashi
Department of Radiology, Kurashiki Central Hospital
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NAGAYAMA Masako
Department of Radiology, Kurashiki Central Hospital
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Nagayama Masako
Department Of Radiology Kurashiki Central Hospital
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Tabuchi Takashi
Department Of Radiology Kurashiki Central Hospital
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Kawakami Kazunori
Department Of Medical Physics And Engineering Division Of Medical Technology And Science Course Of H
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Yamazaki Youichi
Department Of Medical Engineering Division Of Allied Health Sciences Osaka University Medical School
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Yamazaki Youichi
Department Of Medical Physics And Engineering Division Of Medical Technology And Science Course Of H
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Watanabe Yuji
Department Of Molecular Neurobiology Institute Of Development Aging & Cancer Tohoku University
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Murase Kenya
Department Of Allied Health Sciences Osaka University Graduate School Of Medicine
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Watanabe Yuji
Department Of Computational Science And Engineering Graduate School Of Engineering Nagoya University
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