Results 141 to 150 of about 10,371 (200)

Umbilical venous access through the ductus arteriosus for arterial embolization of a neonatal sacrococcygeal teratoma. [PDF]

CVIR Endovasc
Belloch-Ripollés V, Gómez-Muñoz F, Martínez-Rodrigo J, Boukhoubza A, Gómez-Chacón J, Marco-Macián A.   +5 more
europepmc   +1 more source

The TRUFFLE monitoring protocol for early-onset fetal growth restriction: A clinical effectiveness study. [PDF]

Acta Obstet Gynecol Scand
Pegorie C, Chmielewska B, Jie M, Mehta N, McStay D, Bhide A, Thilaganathan B.   +6 more
europepmc   +1 more source

Aging mothers, failing placentas? Association between maternal age and placental perfusion in a low-resource setting. [PDF]

PLOS Glob Public Health
Eze IO, Nwagha UI, Eze SC, Abdul AE, Igboezue VC, Muhammed R.   +5 more
europepmc   +1 more source

Aortic isthmus Doppler hemodynamics and ımpacts on perinatal outcomes in pregestational and gestational diabetes mellitus. [PDF]

Arch Gynecol Obstet
Seyhanli Z, Karabay G, Filiz AA, Duygulu Bulan D, Agaoglu RT, Aktemur G, Cakir BT, Yucel KY, Yilmaz ZV.   +8 more
europepmc   +1 more source

Doppler Ultrasound of the Umbilical Artery: Clinical Application

Revista Brasileira De Ginecologia E Obstetricia, 2022
Abstract Objective To provide a survey of relevant literature on umbilical artery Doppler ultrasound use in clinical practice, technical considerations and limitations, and future perspectives. Methods Literature searches were conducted in PubMed and Medline, restricted to articles written in English. Additionally, the references of
Luis Guedes-Martins, Maria Lucia Moleiro, Ana Sa Rocha   +2 more
exaly   +5 more sources

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Umbilical artery doppler velocimetry—an update

Seminars in Perinatology, 2001
Doppler ultrasonography was introduced into clinical obstetric practice over 20 years ago. It is also accepted that a variety of common obstetrical complications such as preeclampsia and intrauterine growth restriction have their origin in abnormal development of the placental vasculature and this could be reflected in abnormal Doppler velocimetry ...
M Y, Divon, A, Ferber
openaire   +2 more sources

Heartrate variation of umbilical artery Doppler waveforms

Ultrasound in Medicine & Biology, 1989
Umbilical artery Doppler waveforms from 20 patients were used to investigate the dependence of resistance index and pulsatility index on beat to beat pulse length over short time periods for individual patients, and on the usefulness of a common normalisation formula.
P R, Hoskins, F D, Johnstone, S E, Chambers, N G, Haddad, G, White, W N, McDicken   +5 more
openaire   +2 more sources

Doppler flow velocities in single umbilical arteries

American Journal of Obstetrics and Gynecology, 1991
Fetal compromise has been associated with an umbilical artery waveform pattern of low or absent diastolic velocity relative to systolic velocity. Fetuses with single umbilical arteries have an increased risk of major malformations, mortality, retarded fetal growth, and prematurity. In this study Doppler flow velocities were obtained in 13 fetuses (four
N B, Duerbeck, M, Pietrantoni, K L, Reed, C F, Anderson, L, Shenker   +4 more
openaire   +2 more sources

The effect of altitude on the umbilical artery Doppler resistance

Journal of Ultrasound in Medicine, 1992
This study examined whether there were differences between the umbilical artery systolic-diastolic (S/D) ratio and resistance index (RI) in patients with normal fetuses living at sea level (group I) and those living between 4,200 and 4,500 feet above sea level (group II).
G R, DeVore, A L, Medearis, L D, Platt
openaire   +2 more sources