Relationship between arterial and venous Doppler and perinatal outcome in fetal growth restriction
The aim of this investigation was to assess the relationship between abnormal arterial and venous Doppler findings and perinatal outcome in fetuses with intrauterine growth restriction (IUGR). Doppler velocimetry of the umbilical artery (UA), middle cerebral artery (MCA), inferior vena cava (IVC), ductus venosus (DV) and free umbilical vein was performed in 121 IUGR fetuses with a UA pulsatility index (PI) > 2 SD above the gestational age mean and subsequent birth weight < 10th centile for gestational age. Groups based on the last Doppler exam were: 1 = abnormal UA-PI only (n = 42, 34.7%), 2 = MCA-PI > 2 SD below the gestational age mean (= 'brain sparing') in addition to abnormal UA-PI (n = 29, 24.0%), 3 = DV or IVC peak velocity index (PVIV) > 2 SD above the gestational age mean and/or pulsatile UV flow (n = 50, 41.3%). Z-scores (delta indices) were calculated for Doppler indices. Perinatal mortality, respiratory distress (RDS), bronchopulmonary dysplasia (BPD), intraventricular hemorrhage (IVH), necrotizing enterocolitis (NEC), circulatory failure and umbilical artery blood gases were recorded. Absence or reversal of umbilical artery end-diastolic flow was observed in 4 (9.5%) of fetuses in group 1, 10 (34.5%) fetuses in gro...Continue Reading
Doppler measurements of fetal and uteroplacental circulations: relationship with umbilical venous blood gases measured at cordocentesis
Hypoglycemia, hepatic dysfunction, muscle weakness, cardiomyopathy, free carnitine deficiency and long-chain acylcarnitine excess responsive to medium chain triglyceride diet
Fetal venous, intracardiac, and arterial blood flow measurements in intrauterine growth retardation: relationship with fetal blood gases
Assessment of fetal compromise by Doppler ultrasound investigation of the fetal circulation. Arterial, intracardiac, and venous blood flow velocity studies
Umbilical vein pulsations and acid-base status at cordocentesis in growth-retarded fetuses with absent end-diastolic velocity in umbilical artery
Doppler indices from inferior vena cava and ductus venosus in predicting pH and oxygen tension in umbilical blood at cordocentesis in growth-retarded fetuses
Cardiotocogram compared to Doppler investigation of the fetal circulation in the premature growth-retarded fetus: longitudinal observations
Umbilical venous velocity pulsations are related to atrial contraction pressure waveforms in fetal lambs
Arterial and venous Doppler velocimetry in the severely growth-restricted fetus and associations with adverse perinatal outcome
Neonatal nucleated red blood cell counts in growth-restricted fetuses: relationship to arterial and venous Doppler studies
Doppler fetal circulation in pregnancies complicated by pre-eclampsia or delivery of a small for gestational age baby: 2. Longitudinal analysis
Integrated fetal testing in growth restriction: combining multivessel Doppler and biophysical parameters
Evaluation of ductus venosus and inferior vena cava by using multiple Doppler ultrasound parameters in healthy fetuses
Perinatal outcomes and maternal clinical characteristics in IUGR with absent or reversed end-diastolic flow velocity in the umbilical artery
Cord blood B-type natriuretic peptide levels in placental insufficiency: correlation with fetal Doppler and pH at birth
Arterial and ductus venosus Doppler in fetuses with absent or reverse end-diastolic flow in the umbilical artery: correlation with short-term perinatal outcome
Long-term increase in uterine blood flow is achieved by local overexpression of VEGF-A(165) in the uterine arteries of pregnant sheep
The anatomy of the umbilical, portal and hepatic venous systems in the human fetus at 14-19 weeks of gestation
The sequence of changes in Doppler and biophysical parameters as severe fetal growth restriction worsens
Timing the delivery of the preterm severely growth-restricted fetus: venous Doppler, cardiotocography or the biophysical profile?
Making best and appropriate use of fetal biophysical and Doppler ultrasound data in the management of the growth restricted fetus
Abnormal maternal cardiac function and morphology in pregnancies complicated by intrauterine fetal growth restriction
Antenatal testing-a reevaluation: executive summary of a Eunice Kennedy Shriver National Institute of Child Health and Human Development workshop
Venous-arterial Doppler ratios in the prediction of acidemia at birth in pregnancies with placental insufficiency
Doppler and birth weight Z score: predictors for adverse neonatal outcome in severe fetal compromise
Maternal high-fat diet disturbs uteroplacental hemodynamics and increases the frequency of stillbirth in a nonhuman primate model of excess nutrition
Fetal functional brain age assessed from universal developmental indices obtained from neuro-vegetative activity patterns
Comparison of perinatal outcome in fetuses with reverse or absent enddiastolic flow in the umbilical artery and/or fetal descending aorta
Local over-expression of VEGF-DΔNΔC in the uterine arteries of pregnant sheep results in long-term changes in uterine artery contractility and angiogenesis
Fetal blood flow velocimetry by phase-contrast MRI using a new triggering method and comparison with Doppler ultrasound in a sheep model: a pilot study
Prediction of feed intolerance and necrotizing enterocolitis in neonates with absent end diastolic flow in umbilical artery and the correlation of feed intolerance with postnatal superior mesenteric artery flow
Cord blood oxidative stress markers correlate with umbilical artery pulsatility in fetal growth restriction
Doppler velocimetry of the fetal middle cerebral artery and other parameters of fetal well-being in neonatal survival during pregnancies with placental insufficiency
Two-year neurological outcome of very-low-birth-weight children with prenatal absent or reversed end-diastolic flow velocity in the umbilical artery
Ductus venosus Doppler and postnatal outcomes in fetuses with absent or reversed end-diastolic flow in the umbilical arteries
Maternal breath-holding and the valsalva maneuver: methods to overcome fetal breathing movements during Doppler sonography
Indication for Doppler evaluation of the ductus venosus in the management of intrauterine growth restriction of vascular origin
Outcome of 60 neonates who had ARED flow prenatally compared with a matched control group of appropriate-for-gestational age preterm neonates
Qualitative venous Doppler flow waveform analysis in preterm intrauterine growth-restricted fetuses with ARED flow in the umbilical artery--correlation with short-term outcome
Use of umbilical-cerebral Doppler ratios in predicting fetal growth restriction in near-term fetuses
Qualitative venous Doppler waveform analysis improves prediction of critical perinatal outcomes in premature growth-restricted fetuses
Prediction of acidemia at birth by Doppler assessment of fetal cerebral transverse sinus in pregnancies with placental insufficiency
Ductus venosus Doppler velocimetry in the prediction of acidemia at birth: which is the best parameter?
Fetal ductus venosus, middle cerebral artery and umbilical artery flow responses to uterine contractions in growth-restricted human pregnancies
Changes in regional fetal cerebral blood flow perfusion in relation to hemodynamic deterioration in severely growth-restricted fetuses
Predicting adverse neonatal outcome in severe fetal compromise: a pivotal role for estimated fetal weight Z scores
Maternal and fetal hemodynamic effects induced by nitric oxide donors and plasma volume expansion in pregnancies with gestational hypertension complicated by intrauterine growth restriction with absent end-diastolic flow in the umbilical artery
Computerized fetal heart rate analysis, Doppler ultrasound and biophysical profile score in the prediction of acid-base status of growth-restricted fetuses
Longitudinal study of aortic isthmus Doppler in appropriately grown and small-for-gestational-age fetuses with normal and abnormal umbilical artery Doppler
Abnormal antenatal Doppler velocimetry and cognitive outcome in very-low-birth-weight infants at 2 years of age
Duration of persistent abnormal ductus venosus flow and its impact on perinatal outcome in fetal growth restriction
Doppler changes in the vertebral, middle cerebral, and umbilical arteries in fetuses delivered after 34 weeks: relationship to severity of growth restriction
The fetal venous system, Part II: ultrasound evaluation of the fetus with congenital venous system malformation or developing circulatory compromise
Doppler flowmetry of the superior mesenteric artery and portal vein: impact for the early prediction of necrotizing enterocolitis in neonates
Could the consequences of premature delivery be further attenuated by means of new prenatal strategies?
Screening and timing for the delivery of fetuses with intrauterine growth restriction of vascular origin
Intrauterine growth restriction and absent or reverse end-diastolic blood flow in umbilical artery (Doppler class II or III): A retrospective study of short- and long-term fetal morbidity and mortality
Role of the fetoplacental endothelium in fetal growth restriction with abnormal umbilical artery Doppler velocimetry
Defining the residual risk of adverse perinatal outcome in growth-restricted fetuses with normal umbilical artery blood flow
Pathological prenatal Doppler sonography findings and their association with neonatal cranial ultrasound abnormalities in a high risk collective
Banking placental tissue: an optimized collection procedure for genome-wide analysis of nucleic acids
Assessment of uterine artery and aortic isthmus Doppler recordings as predictors of necrotizing enterocolitis
Vitamin C supplementation ameliorates the adverse effects of nicotine on placental hemodynamics and histology in nonhuman primates
Early and persistent reduction in umbilical vein blood flow in the growth-restricted fetus: a longitudinal study
Doppler for growth restriction: the association between the cerebroplacental ratio and a reduced interval to delivery
Do placental lesions among term small for gestational age newborns differ according to the clinical presentation?
Ductus venosus Doppler in the assessment of fetal cardiovascular health: an updated practical approach
Estimation of the growth rate in fetuses with an abnormal cerebroplacental ratio compared to those with suspected growth restriction without evidence of centralization of blood flow
Is middle cerebral artery Doppler related to neonatal and 2-year infant outcome in early fetal growth restriction?
Progression of Doppler changes in early-onset small for gestational age fetuses. How frequent are the different progression sequences?
Restricted physical activity in pregnancy reduces maternal vascular resistance and improves fetal growth
Relationship between monitoring parameters and perinatal outcome in severe, early intrauterine growth restriction
Doppler application in the delivery timing of the preterm growth-restricted fetus: another step in the right direction
Involvement of prostaglandin F2α in preeclamptic human umbilical vein vasospasm: a role of prostaglandin F and thromboxane A2 receptors
Application of wavefront analysis in clinical and scientific settings. From irregular astigmatism to aberrations of a higher order--Part II: examples
Change in biomechanical parameters after flap creation using the Intralase femtosecond laser and subsequent excimer laser ablation
Normative references and clinical correlates of fetal umbilical artery Doppler indices in southwestern Nigeria
Perinatal outcomes after intrauterine growth restriction and umbilical artery Doppler pulsatility index of less than the fifth percentile
Small incision lenticule extraction (SMILE) history, fundamentals of a new refractive surgery technique and clinical outcomes
Kidney impairment in fetal growth restriction: three-dimensional evaluation of volume and vascularization
Use of Doppler velocimetry in diagnosis and prognosis of intrauterine growth restriction (IUGR): A Review
Neurodevelopment at age 2 and umbilical artery Doppler in cases of preterm birth after prenatal hypertensive disorder or suspected fetal growth restriction: the EPIPAGE 2 prospective population-based cohort study
Placental vascularization alterations in hypertensive disorders complicating pregnancy (HDCP) and small for gestational age with HDCP using three-dimensional power doppler in a prospective case control study
Early versus Late Enteral Feeding in Preterm Intrauterine Growth Restricted Neonates with Antenatal Doppler Abnormalities: An Open-Label Randomized Trial
Adverse Placental Perfusion and Pregnancy Outcomes in a New Nonhuman Primate Model of Gestational Protein Restriction
Cardiorespiratory consequences of intrauterine growth restriction: Influence of timing, severity and duration of hypoxaemia
Optimizing Nutritional Strategies to Prevent Necrotizing Enterocolitis and Growth Failure after Bowel Resection.
Can fetal heart rate variability obtained from cardiotocography provide the same diagnostic value like from electrophysiological interbeat intervals?
Circulating Delta-like homolog 1 (DLK1) at 36 weeks is correlated with birthweight and is of placental origin
Perinatal outcome after persistence of abnormal umbilical artery Doppler indices in the growth-restricted fetus following betamethasone administration
Reference ranges of fetal superior vena cava blood flow velocities and pulsatility index in the second half of pregnancy: a longitudinal study.
Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.
Neural Activity: Imaging
Imaging of neural activity in vivo has developed rapidly recently with the advancement of fluorescence microscopy, including new applications using miniaturized microscopes (miniscopes). This feed follows the progress in this growing field.
The Tendon Seed Network
Tendons are rich in the extracellular matrix and are abundant throughout the body providing essential roles including structure and mobility. The transcriptome of tendons is being compiled to understand the micro-anatomical functioning of tendons. Discover the latest research pertaining to the Tendon Seed Network here.
Myocardial stunning is a mechanical dysfunction that persists after reperfusion of previously ischemic tissue in the absence of irreversible damage including myocardial necrosis. Here is the latest research.
Chronic Fatigue Syndrome
Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.
Incretins are metabolic hormones that stimulate a decrease in glucose levels in the blood and they have been implicated in glycemic regulation in the remission phase of type 1 diabetes. Here is the latest research.
Chromatin Regulation and Circadian Clocks
The circadian clock plays an important role in regulating transcriptional dynamics through changes in chromatin folding and remodelling. Discover the latest research on Chromatin Regulation and Circadian Clocks here.
“Long Covid-19” describes illness in patients who are reporting long-lasting effects of the SARS-CoV-19 infection, often long after they have recovered from acute Covid-19. Ongoing health issues often reported include low exercise tolerance and breathing difficulties, chronic tiredness, and mental health problems such as post-traumatic stress disorder and depression. This feed follows the latest research into Long Covid.
Spatio-Temporal Regulation of DNA Repair
DNA repair is a complex process regulated by several different classes of enzymes, including ligases, endonucleases, and polymerases. This feed focuses on the spatial and temporal regulation that accompanies DNA damage signaling and repair enzymes and processes.