Detection and Visualization of Regurgitant Flow in Valvular Diseases by Pulsed Doppler Technique : SYMPOSIUM ON CURRENT PROBLEMS IN VALVULAR HEART DISEASE
スポンサーリンク
概要
- 論文の詳細を見る
Regurgitant flows in valvular diseases were evaluated by a pulsed Doppler flowmeter combined with an electronic beam sector scanning echocardiograph. The apparatus which was newly developed by us allowed the simultaneous demonstration of a sample site on a two-dimensional echocardiogram with flow measurement. Doppler signals of regurgitant now were recorded as uni-directional or bidirectional wide frequency band signals. The locations, where regurgitant flow signals were detected, were depicted on the corresponding two-demensional echocardiogram. This procedure was referred to as "a flow mapping technique" for non-invasive visualization of the distribution of regurgitant flow. In 12 patients with mitral regurgitation due to mitral valve prolapse detected by the pulsed Doppler technique, the regurgitant flow was distributed to the opposite side of the prolapsing mitral leaflet. The transmission of the regurgitant murmur was well consistent with the direction of the regurgitant flow. In 14 patients with aortic regurgitation, the distribution of aortic regurgitant flow visualized by the flow mapping technique closely coincided with that obtained by cineaortography. Based on the distribution of the regurgitation, the severity of the regurgitation could be precisely evaluated by the Doppler technique. Regurgitant flow signals were detected in the right atrium in all 13 patients with tricuspid regurgitation diagnosed by right ventriculography. We found 4 patients who did not show Carvallo's sign but in whom were detected regurgitant flow signals by the Doppler technique. In all of them, tricuspid regurgitation was proven at surgery. These results indicate that the Doppler technique presented here has an obvious clinical advantage in detecting and evaluating regurgitant flow in valvular diseases.
- 社団法人日本循環器学会の論文
- 1982-04-20
著者
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HORI Masatsugu
Osaka Medical Center for Cancer and Cardiovascular Disease
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Kitabatake Akira
The First Department Of Medicine Osaka University School Of Medicine
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Tanouchi Jun
Osaka Acute Coronary Insufficiency Study (OACIS) Group
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Tanouchi Jun
Osaka Acute Coronary Insufficiency Study (oacis) Group:osaka Rosai Hospital
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Mishima Masayoshi
The First Dept. of Medicine, Osaka University
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ABE HIROSHI
The First Department of Medicine, Osaka University School of Medicine
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TAMAI Jun
Cardiac Intensive Care Unit of Osaka Police Hospital
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Matsuo Hirohide
The Second Department Of Internal Medicine Kagawa Medical School
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TANOUCHI JUN
The First Department of Medicine, Osaka University School of Medicine
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Senda Shoichi
The Second Department of Internal Medicine, Kagawa Medical University
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MORITA Hisaki
The Second Department of Internal Medicine, Kagawa Medical School
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ASAO MASATO
The First Department of Medicine, Osaka University Medical School
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Asao Masato
The Division Of Cardiology Sakurabashi Watanabe Hospital
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Asao Masato
The First Department Of Medicine Osaka University Medical School
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Tanouchi Jun
The First Department Of Medicine Osaka University Medical School
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Morita Hisaki
The Second Department Of Internal Medicine Kagawa Medical School
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Abe Hiroshi
The First Department Of Internal Medicine Osaka University Medical School
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Tanouchi J
Osaka Rosai Hospital
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