Advantage of Cine-MR Imaging for the Evaluation of Valvular Regurgitation : 53th Annual Scientific Session of the Japanese Circulation Society
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概要
- 論文の詳細を見る
It is well known that the regurgitant blood flow of valvular disease shows a low intensity signal (LS) in cine-MR imaging (cMRI). To determine the significance of cMRI in evaluation of valvular regurgitation, 104 patients who had been assessed by cineangiography also underwent oblique cMRI for mitral regurgitation (MR) and aortic regurgitation (AR), and transverse cMRI for, tricuspid regurgitation (TR). In evaluating the accuracy of diagnosis of valvular regurgitation on the basis of the presence of LS in the recipient chamber, sensitivity was found to be 93.5% for MR, 100% for AR and 85.7% for TR; specificity was 76.9% for MR and 100% for AR. The length and area of LS were planimetered in any view with the largest area, and its ratios to the length and area of the recipient chamber of view were calculated. Each index was significantly higher than the degree calculated by cineangiography. The best correlation with angiography was the ratio of the area of LS to the recipient chamber, and a semiquantitative classification by the index was coincident with angiographic severity in 38 of 43 (88.4%) patients undergoing MR, and in 28 of 30 (93.3%) patients under-going AR. Thus, cMRI is a clinically useful noninvasive method in the identification and semiquantitative assessment of regurgitation severity.
- 社団法人日本循環器学会の論文
- 1990-03-20
著者
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Kimura Masahiko
Department of Pediatrics, Shimane Medical University
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Yoshino Yasushi
Department of Urology, Nagoya University Graduate School of Medicine
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KAMIYA Hideki
Department of Internal Medicine, Institute of Clinical Medicine, University of tsukuba
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Kamiya Hideki
Department Of Cardiology Kameda General Hospital Kamogawa
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Yoshino Yasushi
Department Of Cardiology Kameda General Hospital Kamogawa
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Yoshino Yasushi
Department Of Applied Pharmacology School Of Pharmacy Hoshi University:research Institute Of Nippon
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ICHIKAWA Seiichi
Department of Infection Control and Prevention, Nagoya City University
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Nishimura Fumiaki
Department of Cardiology, Kameda General Hospital
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Mihara Junji
Department Of Cardiology Kameda General Hospital Kamogawa
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Nishimura Fumiaki
Department Of Cardiology Kameda General Hospital Kamogawa
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Ichikawa Seiichi
Department Of Cardiology Kameda General Hospital Kamogawa
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Kimura Masahiko
Department Of Agricultural Engineering Faculty Of Agriculture Tottori University
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