Doppler assessment of fetal diastolic dysfunction
Authors
Nodira M.Normuradova
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The article presents the results of a study of the pulmonary artery and vein in the assessment of cardiac dysfunction in fetuses with cardiomegaly. The Doppler in the artery and vein was obtained in one control volume. Аcceleration time (АТ), ejection time (ЕТ), isovolumic contraction time (IVCT), isovolumic relaxation time (IVRT), duration of the A wave (Аdur), atrial contraction time (АСТ), the max velocity in the PV at the moment of opening of the atrioventricular valve ( at point AVO), the max velocity in the PV in ventricular systole (at point S) and AVO/S, AT/ET, ACT/IVRT, IVRT/ET were also calculated. In diastolic dysfunction, there was a shortening IVRT, lengthening of the atrial time, and a decrease in the AVO/S ratio. Systolic dysfunction of the heart was characterized by a pronounced dicrotic notch in the arterial spectrum, a decrease in the wave after the closure of the semilunar valve/or retrograde blood flow in the ventricular diastole.
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Authors
Nodira M.Normuradova
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References:
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