Clinical Role of Non-Contrast Magnetic Resonance Angiography for Evaluation of Renal Artery Stenosis
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概要
- 論文の詳細を見る
Background The association between a gadolinium-based contrast material and nephrogenic systemic fibrosis has been discussed. The purpose of our study was to evaluate whether non-contrast enhanced magnetic resonance angiography (MRA) might provide sufficient information of renal artery stenosis. Methods and Results The non-contrast MRA of 26 patients with hypertension was retrospectively reviewed in the present study. The significant renal artery stenosis was visually evaluated by comparing non-contrast MRA with computed tomography or conventional angiographic finding. Difference of the intensities between the proximal and distal aorta was quantitatively evaluated. The sensitivity, specificity, positive predictive value and negative predictive value of non-contrast MRA in the evaluation of the renal artery stenosis was 78%, 91%, 64% and 96%, respectively. The distal abdominal aorta showed less signal intensity than the proximal aorta by 16.9±12.2%. Conclusions Non-contrast MRA is a non-invasive and effective method that allows evaluation of the renal artery stenosis. (Circ J 2008; 72: 1627 - 1630)
- 社団法人日本循環器学会の論文
- 2008-09-20
著者
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Yamashita Yasuyuki
Department Of Radiology Kumamoto University
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Utsunomiya Daisuke
Diagnostic Imaging Center Saiseikai Kumamoto Hospital
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Miyazaki Mitsue
Department of Advanced Clinical Research, MR, Toshiba Medical Research Institute
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Nomitsu Yohei
Diagnostic Imaging Center, Saiseikai Kumamoto Hospital
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Komeda Yosuke
Diagnostic Imaging Center, Saiseikai Kumamoto Hospital
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Okigawa Takashi
Diagnostic Imaging Center, Saiseikai Kumamoto Hospital
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Urata Joji
Diagnostic Imaging Center, Saiseikai Kumamoto Hospital
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Yamashita Yasuyuki
Department Of Diagnostic Imaging Faculty Of Medical And Pharmaceutical Sciences Kumamoto University
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Yamashita Yasuyuki
Department Of Diagnostic Radiology Graduate School Of Medical Sciences Kumamoto University
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Urata Joji
Diagnostic Imaging Center Saiseikai Kumamoto Hospital
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Komeda Yosuke
Diagnostic Imaging Center Saiseikai Kumamoto Hospital
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Nomitsu Yohei
Diagnostic Imaging Center Saiseikai Kumamoto Hospital
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Okigawa Takashi
Diagnostic Imaging Center Saiseikai Kumamoto Hospital
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Miyazaki Mitsue
Department Of Advanced Clinical Research Mr Toshiba Medical Research Institute
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Yamashita Yasuyuki
Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University
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