Aortic regurgitant flow by color Doppler measurement of the local velocity 7 mm above the leak orifice--Part 2: Comparison with cardiac catheterization

An in vitro study of the flow convergence region in aortic regurgitation has shown that regurgitant flow rate can be derived from the local velocity V(7 mm) at 7 mm distance above the leak orifice. This clinical study was performed to test this method in patients. In 67 patients with aortic regurgit...

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Bibliographic Details
Published in:	Clinical research in cardiology Vol. 88; no. 11; pp. 896 - 905
Main Authors:	Giesler, M, Bajtay, D, Levine, R A, Stein, M, Grossmann, G, Kochs, M, Höher, M, Hombach, V
Format:	Journal Article
Language:	English
Published:	Germany Springer Nature B.V 01-11-1999
Subjects:	Acceleration Adult Aged Aged, 80 and over Angiography Aorta Aortic Valve - diagnostic imaging Aortic Valve - physiopathology Aortic Valve Insufficiency - diagnosis Aortic Valve Insufficiency - diagnostic imaging Aortic Valve Insufficiency - physiopathology Blood Flow Velocity Cardiac Catheterization Catheterization Chronic Disease Color Convergence Correlation analysis Echocardiography, Doppler, Color Female Flow velocity Humans Image processing Image Processing, Computer-Assisted Linear Models Male Middle Aged Orifices Regression models Regurgitation Stroke Stroke volume Velocity Velocity distribution
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