Longitudinal reference ranges for ductus venosus flow velocities and waveform indices
نویسندگان
چکیده
منابع مشابه
Monitoring of fetuses with intrauterine growth restriction: longitudinal changes in ductus venosus and aortic isthmus flow.
OBJECTIVES To explore in growth-restricted fetuses the sequence of changes in aortic isthmus and ductus venosus blood flow in relation to other arterial Doppler parameters commonly used to evaluate fetal wellbeing. METHODS Umbilical and middle cerebral arteries, ductus venosus and aortic isthmus were explored serially by means of pulsed Doppler in a cohort of singleton small-for-gestational a...
متن کاملNeonatal mortality in dogs: Prognostic value of Doppler ductus venosus waveform evaluation - Preliminary results
AIM To define the prognostic value of Doppler ultrasonographic morphology of ductus venosus (DV) waveform on canine neonatal mortality. MATERIALS AND METHODS Fifty-four healthy pregnant bitches underwent fetal ultrasonographic assessment. The DV waveforms were classified as diphasic (dDVw) or triphasic (tDVw) and compared with neonatal mortality. RESULTS Ninety-three fetuses were evaluated....
متن کاملLongitudinal reference ranges for fetal ultrasound biometry in twin pregnancies
OBJECTIVE The purpose of this study was to establish longitudinal reference ranges for fetal ultrasound biometry measurements and growth parameters in twin pregnancies. METHOD A total of 200 uncomplicated twin pregnancies before 21 weeks of gestation were recruited for this prospective, longitudinal study. Women who abandoned follow-up, pregnancies with unknown outcomes or pregnancies with co...
متن کاملScreening for chromosomal abnormalities at 10-14 weeks: the role of ductus venosus blood flow.
OBJECTIVE To assess the possible role of Doppler ultrasound assessment of ductus venosus blood flow in screening for chromosomal abnormalities at 10-14 weeks of gestation. METHODS Ductus venosus flow velocity waveforms were obtained immediately before fetal karyotyping in 486 consecutive singleton pregnancies at 10-14 weeks of gestation. All cases were screened for chromosomal defects by a co...
متن کاملDuctus venosus flow and myocardial hypertrophy in fetuses of diabetic mothers.
OBJECTIVE To test the hypothesis that the pulsatility index of ductus venosus (PIDV) is greater in the fetuses of diabetic mothers (FDM) with myocardial hypertrophy (MH) than in the FDM with no MH and in the control fetuses of nondiabetic mothers (FNDM). Comparing the results with mitral and tricuspid diastolic peak flows. METHODS The cross-sectional study included fetuses with gestational ag...
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ژورنال
عنوان ژورنال: Ultrasound in Obstetrics & Gynecology
سال: 2006
ISSN: 0960-7692
DOI: 10.1002/uog.3857