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- W2001315339 abstract "<h2>Abstract</h2> To determine the relation between Doppler echocardiographic and radionuclide angiographic indexes of left ventricular (LV) filling, 42 patients were studied using both techniques. From Doppler mitral flow velocity profiles, the percent of LV filling due to atrial systole (percent atrial contribution) and at one-third of diastole (one-third filling fraction), the peak filling rate and the peak filling rate normalized for LV enddiastolic volume and the time from mitral valve opening to peak early velocity and from aortic valve closure to peak early velocity were determined. Good correlations were found between percent atrial contribution (r = 0.83) and one-third filling fraction (r = 0.67) using the 2 techniques. However, Doppler normalized peak filling rate correlated only weakly with radionuclide peak filling rate (r = 0.33, p < 0.05). There was no significant correlation between Doppler peak filling rate and radionuclide peak filling rate. Neither Doppler time from mitral valve opening to peak early velocity nor Doppler time from aortic closure to peak early velocity correlated with radionuclide time to peak filling rate. Thus, Doppler echocardiography and radionuclide angiography agree on relative diastolic filling indexes but not on peak filling rates or useful diastolic time intervals. Relative filling indexes, such as percent atrial contribution and one-third filling fractions, therefore, may be the most reliable noninvasive indicators of diastolic function." @default.
- W2001315339 created "2016-06-24" @default.
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- W2001315339 date "1988-02-01" @default.
- W2001315339 modified "2023-09-24" @default.
- W2001315339 title "Comparison of pulsed Doppler echocardiography and radionuclide angiography in the assessment of left ventricular filling" @default.
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- W2001315339 doi "https://doi.org/10.1016/0002-9149(88)90302-5" @default.
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