Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography
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J Am Soc Echocardiogr · Mar 1994
Comparative StudyTwo-dimensional transesophageal echocardiographic characterization of ventricular filling in real time by acoustic quantification: comparison with pulsed Doppler echocardiography.
Little is known about the accuracy of acoustic quantification (AQ) in the assessment of left ventricular diastolic filling. Therefore the objective of this study was to determine the ability of AQ applied to two-dimensional echocardiography to characterize left ventricular diastolic filling compared with Doppler echocardiography. In 80 unselected patients, AQ of left ventricular diastolic filling was performed during two-dimensional transesophageal echocardiography. ⋯ Acoustic quantification assessment of left ventricular diastolic filling accurately characterizes the distribution of diastolic filling compared with Doppler echocardiography. The presence of asynchronous systolic wall motion decreases the accuracy of the AQ method in assessing peak filling rate. The ultimate clinical application of AQ in the assessment of left ventricular diastolic filling is yet to be determined but appears promising.