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and the value of the continuity equation to calculate the prosthetic valvular area, we performed Doppler echocardiographic study in 106 stable patients with this prosthesis and in 7 patients with suspicion ...
Abstract The continuity equation was used to estimate non-invasively the stenotic mitral valve area by comparison with two other echocardiographic methods (planimetry and pressure half-time ...
According to recent recommendations on echocardiographic assessment of aortic valve stenosis direct measurement of transvalvular peak jet velocity, calculation of transvalvular mean gradient from ...
Abstract. The orifice area was non‐invasively assessed in 19 patients with mitral or mitral and tricuspid stenosis by combined cross‐sectional and Doppler echocardiography. Stroke volume ...
size ( Echocardiographic Assessment of the Doppler Prosthetic Valve in the St. Jude Medical Continuity Equation Aortic Position Using the A. MD Edward R. Chafizadeh, MD, and William Zoghbi, To test ...
echocardiography in an unselected population. Doppler echocardiographic determination of mean transvalvular pressure gradient and aortic valve area by continuity equation was performed in 101 patients before ...
of the regurgitant jet was correctly identified in all compared to Intraoperative assessment . Pulsed, continuous , and color flow Doppler are useful as noninvasive techniques in assessing Ionescu‐Shiley valve ...
to the transprosthetic flow, and effective orifice area (EOA) of the PAV calculated by using the continuity equation . The Pearson correlation coefficients between the PAV size z-score and Doppler -derived hemodynamic ...
To assess the influence of mitral prosthesis malfunction on various Doppler echocardiographic indexes, we studied the changes in the peak mitral flow velocity during early diastolic filling phase (V ...
To evaluate the usefulness of the Doppler ‐derived effective orifice area (EOA) in assessing the hemodynamic severity of subaortic stenosis (SAS) in dogs, 2‐dimensional and Doppler echocardiographic ...
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