Relationship between placental blood flow resistance and precordial venous Doppler indices
نویسندگان
چکیده
منابع مشابه
Association of placental T2 relaxation times and uterine artery Doppler ultrasound measures of placental blood flow.
PURPOSE To investigate whether, in the second trimester of pregnancy, placental T2 relaxation time (determined using magnetic resonance imaging (MRI)) is related to impedance to flow in the uterine arteries. METHODS In 40 singleton pregnancies at 24-29 weeks' gestation, uterine artery pulsatility index (PI) was measured by Doppler ultrasound and T2 relaxation time was measured by echo planar ...
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INTRODUCTION Ultrasonic fetal biometry and arterial Doppler flow velocimetry are widely used to assess the risk of pregnancy complications. There is an extensive literature on the relationship between pregnancy outcomes and the size and shape of the placenta. However, ultrasonic fetal biometry and arterial Doppler flow velocimetry have not previously been studied in relation to postnatal placen...
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Ophthalmic artery blood flow in 5 patients with internal carotid artery occlusion of sudden onset was monitored by an ultrasonic Doppler flowmeter to investigate the possible relationship to spontaneous recanalization of the occluded artery. The occluded internal carotid arteries of 2 patients were confirmed angiographically to recanalize and the reversed flow of their ophthalmic arteries chang...
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ژورنال
عنوان ژورنال: Ultrasound in Obstetrics and Gynecology
سال: 2003
ISSN: 0960-7692
DOI: 10.1002/uog.902