Quantification of Left Ventricular Volumes from Cardiac Cine MRI Using Active Contour Model Combined with Gradient Vector Flow
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概要
- 論文の詳細を見る
We investigated the feasibility of combining the active contour model with gradient vector flow (Snakes-GVF) to estimate left ventricular (LV) volumes from cardiac cine magnetic resonance imaging (MRI). MRI data were acquired from 27 patients, including 14 adults (9 men, 5 women, 55.0±23.3 years) and 13 children (10 boys, 3 girls, 2.7±2.1 years) using Gyroscan Intera (1.5 Tesla, Philips Medical Systems). LV volumes were calculated by adding the areas surrounded by the contour extracted by Snakes-GVF and compared with volumes estimated by manual tracing. Those estimated by Snakes-GVF [y (mL)] correlated well with those estimated by manual tracing [x (mL)]. In adult cases, the regression equation and correlation coefficient were y=1.008x-0.517 and 0.996, respectively. In pediatric cases, they were y=1.174x-2.542 and 0.992, respectively. In conclusion, Snakes-GVF is a powerful and useful tool for quantifying LV volumes using cardiac MRI.
- 日本磁気共鳴医学会の論文
- 2005-12-31
著者
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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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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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Watanabe Yuji
Department Of Nuclear Medicine Faculty Of Medicine Kyoto University
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Murase Kenya
Department Of Medical Engineering Division Of Allied Health Sciences Osaka University Medical School
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Yang Xiaomei
Department Of Medical Physics And Engineering Division Of Medical Technology And Science Course Of H
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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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MOMOI Risa
Department of Medical Physics and Engineering, Division of Medical Technology and Science, Course of
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Momoi Risa
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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