Dynamic mitral regurgitation. An important determinant of the hemodynamic response to load alterations and inotropic therapy in severe heart failure.

G Keren, S Katz, J Strom, EH Sonnenblick… - Circulation, 1989 - Am Heart Assoc
Cardiac performance and mitral regurgitation were measured by Doppler echocardiography
and right heart catheterization in 12 patients with severe congestive heart failure who …

Sources of variability for Doppler color flow mapping of regurgitant jets in an animal model of mitral regurgitation

BD Hoit, M Jones, EE Eidbo, W Elias… - Journal of the American …, 1989 - Elsevier
To determine whether Doppler color flow mapping could be used to quantify changing levels
of regurgitant flow and define the technical variables that influence the size of color flow …

A new method for noninvasive quantification of valvular regurgitation based on conservation of momentum. In vitro validation.

EG Cape, EG Skoufis, AE Weyman, AP Yoganathan… - Circulation, 1989 - Am Heart Assoc
The noninvasive Doppler assessment of regurgitant volume from jet size is limited by the
fundamental inequality of jet volume and regurgitant volume and by the dependence of jet …

Noninvasive evaluation of mitral regurgitation by analysis of left atrial signal loss in cine magnetic resonance

PW Pflugfelder, UP Sechtem, RD White… - American Heart …, 1989 - Elsevier
Magnetic resonance imaging that uses shallow flip angles, short repetition times, and
gradient refocused echoes results in multiple images throughout the cardiac cycle in which …

Assessment of mitral regurgitation by magnetic resonance imaging

D Glogar, S Globits, A Neuhold, H Mayr - Magnetic resonance imaging, 1989 - Elsevier
To evaluate the potential of magnetic resonance imaging (MRI) in detection and
quantification of mitral regurgitation, 26 pts. with echocardiographically or angiographically …

Independent pulsed doppler mapping techniques: limitations in the prediction of the angiographic severity of mitral regurgitation

MW Liu, EK Louie - Chest, 1989 - Elsevier
Pulsed Doppler mapping of the flow disturbance of mitral insufficiency is commonly
employed to estimate the severity of regurgitation. We re-examined the customary pulsed …

Doppler-echocardiographic quantification of the regurgitant blood volume in patients with mitral regurgitation

H Dittmann, W Voelker, KR Karsch, L Seipel - Klinische Wochenschrift, 1989 - Springer
The purpose of this study was to assess the accuracy and clinical utility of pulsed Doppler
echocardiography in determining the regurgitant fraction in patients with pure mitral …

[PDF][PDF] A incorporaçäo do mapeamento de fluxo a cores à prática ecocardiografica

GP Camarano, M Grinberg - Arq. Bras. Cardiol, 1989 - cardiol.br
Os princípios físicos do MFC baseiam-se no uso da técnica de autocorrelação33. De forma
resumida, o fluxo em direção oposta, afastando-se do transdutor ecocardiográfico …

[PDF][PDF] Dynamic Mitral Regurgitation

EH Sonnenblick, TH LeJemtel - 1989 - academia.edu
Methods Patient Population We studied nine men and three women with dilated
cardiomyopathy and severe chronic congestive heart failure who were in New York Heart …

Factors reducing left and right ventricular output during simultaneous atrioventricular activation in the pig heart

ØA VENGEN, Ø ELLINGSEN… - Acta physiologica …, 1989 - Wiley Online Library
Forward stroke volume fell by 26%(23–30%)(median and 95% confidence interval) when
simultaneous atrioventricular (Av) pacing was induced at constant heart rate in to …