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umbilical doppler velocimetry

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https://www.readbyqxmd.com/read/27680818/h2-maternal-hemodynamic-status-in-pregnancies-complicated-by-intrauterine-growth-restriction-iugr-and-post-partum-follow-up
#1
D Di Martino, S Zullino, D Casati, A S Grimaldi, V Sterpi, G Principato, M Garbin, E Ferrazzi
AIMS: To investigate maternal hemodynamic status in pregnancies complicated by IUGR and in the post-partum. METHODS: In this prospective study, we enrolled pregnant women between 24 and 38 weeks divided in severe and mild IUGR and a group of controls matched for gestational age. Severe IUGR was defined as abdominal circumference <5th centile and a Doppler velocimetry in umbilical artery42SD. Mild IUGR was defined as an abdominal circumference <10th centile and a Doppler velocimetry in umbilical artery <2SD...
August 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27680792/c1-maternal-hemodynamic-profile-in-hypertensive-disorders-of-pregnancy-hdp-and-intrauterine-growth-restriction
#2
D Di Martino, S Zullino, D Casati, A S Grimaldi, C Mastroianni, G Principato, E Rosti, M Garbin, E Ferrazzi
AIMS: To investigate maternal hemodynamic status in pregnancies complicated by HDP and/or IUGR and by severe IUGR without HDP. METHODS: In this prospective study we enrolled pregnant women between 24 and 38 weeks divided in: HDP with appropriate for gestational age fetuses (HDP-AGA), HDP associated with IUGR (HDPIUGR), severe IUGR and a group of controls matched for gestational age. Severe IUGR was defined as abdominal circumference <5th centile and a Doppler velocimetry in umbilical artery42SD...
August 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27651594/which-is-superior-doppler-velocimetry-or-non-stress-test-or-both-in-predicting-the-perinatal-outcome-of-high-risk-pregnancies
#3
Vijaya Subramanian, Janani Venkat, Mohana Dhanapal
AIM AND OBJECTIVES: To analyze which is superior, Doppler velocimetry or non-stress test or both by means of categorization into four groups and comparing the prediction of perinatal outcome in high-risk pregnancies like anemia, hypertensive disorders of pregnancies. MATERIALS AND METHODS: This was a prospective study conducted at the Department of Obstetrics and Gynaecology, ISO KGH, Madras Medical College, Chennai, in the year 2014. Two hundred high-risk pregnancies like anemia, hypertensive disorders of pregnancy were included in the study...
October 2016: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/27538552/maternal-and-fetal-doppler-velocimetry-in-women-diagnosed-with-fear-of-childbirth
#4
A N Aksoy, F Aydin, S K Kucur, I Gözükara
AIM: This study aimed to investigate maternal and fetal Doppler flow parameters in term pregnant women diagnosed with fear of childbirth (FOC). MATERIALS AND METHODS: Women between 20 and 40 years with full-term singleton pregnancies (≥37 gestational weeks) were included in the study. All patients were questioned with Turkish form of Wijma Delivery Expectancy/Experience Questionnaire (W-DEQ) version A. Women with W-DEQ scores ≥85 were defined as FOC. Forty women diagnosed with FOC (FOC group) and 45 women with W-DEQ scores <85 (control group) underwent Doppler waveform analysis and the pulsatility index (PI) and resistance index (RI) values for uterine, umbilical, and mid cerebral arteries were recorded...
September 2016: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/27533101/brain-volume-and-doppler-velocimetry-in-growth-restricted-small-for-gestational-age-and-appropriate-for-gestational-age-fetuses
#5
Hala A E Wahab Abdel Latif, Hassan Mostafa Gaafar, Ghada Abdel Fattah Abdel Moety, Doaa Salah Eldin Mahmoud, Nihal Mohamed El Rifai
Objectives This study aims to detect possible differences in fetal brain volumes between growth-restricted fetuses (FGR), small-for-gestational-age (SGA) fetuses with normal Doppler indices, and appropriate-for-gestational-age fetuses (AGA). Study Design Three-dimensional measurements of fetal brain volume and umbilical artery and middle cerebral artery (MCA) pulsatility index (PI) and resistance index (RI) were made in 80 AGA fetuses, 68 SGA fetuses with normal Doppler indices, and 68 FGR with brain-sparing effect between 32 and 36 weeks of gestation...
August 17, 2016: American Journal of Perinatology
https://www.readbyqxmd.com/read/27512094/numerical-investigation-of-the-hemodynamics-in-the-fetal-umbilical-vein-ductus-venosus-based-on-%C3%A2-experimental-data
#6
Taraneh Rezaee, Kamran Hassani
Abortion of the fetus due to a disease has been dramatically increased in the last decades. There is a still lack of knowledge on the various types of diseases which lead fetus to a vulnerable circumstance. The transport of oxygenated blood from the placenta to the human fetus has been an important clinical feature in Doppler velocimetry studies, especially the Ductus Venosus (DV). The DV connects intra-abdominal portion of the umbilical vein and the Inferior Vena Cava (IVC) at the inlet of the right atrium and is, therefore, important when examining the fetus state of health...
August 10, 2016: Bioscience Reports
https://www.readbyqxmd.com/read/27509872/can-maternal-fetal-hemodynamics-influence-prenatal-development-in-dogs
#7
Luana Azevedo de Freitas, Gustavo Lobato Mota, Herlon Victor Rodrigues Silva, Cibele Figueira Carvalho, Lúcia Daniel Machado da Silva
The goals of this study were to report embryonic and fetal ultrasound changes and compare blood flow of uteroplacental and umbilical arteries of normal and abnormal conceptus. Accordingly, from the day of mating or artificial insemination, all fetuses in 60 pregnancies were evaluated weekly. According to the ultrasound findings, the gestational age was determined and the conceptuses were divided into normal or abnormal (embryonic and fetal abnormalities). The two-dimensional ultrasound assessment consists of measuring and evaluating the echogenicity of conceptus and extra-fetal structures...
September 2016: Animal Reproduction Science
https://www.readbyqxmd.com/read/27438567/reduced-placental-volume-and-flow-in-severe-growth-restricted-fetuses
#8
Renata Montes Dourado Abulé, Lisandra Stein Bernardes, Giovana Farina Doro, Seizo Miyadahira, Rossana Pulcinelli Vieira Francisco
OBJECTIVES: To evaluate placental volume and vascular indices in pregnancies with severe fetal growth restriction and determine their correlations to normal reference ranges and Doppler velocimetry results of uterine and umbilical arteries. METHODS: Twenty-seven fetuses with estimated weights below the 3rd percentile for gestational age were evaluated. Placental volume and vascular indices, including vascularization, flow, and vascularization flow indices, were measured by three-dimensional ultrasound using a rotational technique and compared to a previously described nomogram...
July 2016: Clinics
https://www.readbyqxmd.com/read/27276861/doppler-changes-as-the-earliest-parameter-in-fetal-surveillance-to-detect-fetal-compromise-in-intrauterine-growth-restricted-fetuses
#9
Saloni Bansal, Deepika Deka, Vatsla Dhadwal, Rajiv Mahendru
INTRODUCTION: It is estimated that 3-10% of infants are growth restricted. Growth disturbances may have long-term issues. Doppler allows insight into the fetal response to intrauterine stress. OBJECTIVE: The aim of this study was to detect fetal compromise in intrauterine growth-restricted (IUGR) fetuses by means of biophysical profile (BPP) vis-à-vis Doppler velocimetry studies of the fetal umbilical artery, and to find out which of the two is a better and earlier predictor of fetal compromise...
January 2016: Srpski Arhiv za Celokupno Lekarstvo
https://www.readbyqxmd.com/read/27197939/use-of-doppler-velocimetry-in-diagnosis-and-prognosis-of-intrauterine-growth-restriction-iugr-a-review
#10
I Aditya, V Tat, A Sawana, A Mohamed, R Tuffner, T Mondal
Intrauterine growth restriction (IUGR) is a condition which has been difficult to assess at an early stage, resulting in the delivery of children who have poor genetic growth potential. Currently, IUGR classification is based upon the system of ultrasound biometry. Doppler velocimetry allows the measurement of hemodynamic flow of major fetal vessels, comparing the flow indices and patterns of normal and IUGR cases. In this review, the effectiveness of Doppler velocimetry in assessing blood flow in major vessels including the umbilical artery, ductus venosus, and middle cerebral artery was studied for both diagnostic and prognostic screening of IUGR...
May 18, 2016: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/27103540/associations-of-maternal-personal-exposure-to-air-pollution-on-fetal-weight-and-fetoplacental-doppler-a-prospective-cohort-study
#11
Mariana A Carvalho, Lisandra S Bernardes, Karen Hettfleisch, Luciana D M Pastro, Sandra E Vieira, Silvia R D M Saldiva, Paulo H N Saldiva, Rossana P V Francisco
We determined the influence of maternal air pollution exposure during each trimester of pregnancy on fetal and birth weight and fetoplacental hemodynamics. In total, 366 women with singleton pregnancies were prospectively followed in the city of São Paulo, Brazil. Nitrogen dioxide (NO2) and ozone (O3) were measured during each trimester using passive personal samplers. We evaluated fetal weight and Doppler velocimetry data from the umbilical, middle cerebral, and uterine arteries in the 3rd trimester, and birth weight...
July 2016: Reproductive Toxicology
https://www.readbyqxmd.com/read/26961588/fetal-vascular-adaptation-before-and-after-treatment-of-severe-maternal-anemia-in-pregnancy
#12
Eram Ali, Manisha Kumar, Sayyed E H Naqvi, Shubha S Trivedi, Anuradha Singh
OBJECTIVES: To use color Doppler ultrasonography indices to study the effects on fetal circulation of treating severe maternal anemia. METHODS: A prospective cohort study enrolled patients who were at 30-34weeks of pregnancy and had hemoglobin levels below 70g/L between November 1, 2011 and March 31, 2013 at a hospital in New Delhi, India. A control group consisting of patients with the same duration of pregnancy and with hemoglobin levels above 110g/L was included...
June 2016: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/26907381/the-relationship-between-human-placental-morphometry-and-ultrasonic-measurements-of-utero-placental-blood-flow-and-fetal-growth
#13
N Salavati, U Sovio, R Plitman Mayo, D S Charnock-Jones, G C S Smith
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 placental morphometry in detail. METHODS: We conducted a prospective cohort study of nulliparous women in The Rosie Hospital, Cambridge (UK)...
February 2016: Placenta
https://www.readbyqxmd.com/read/26428491/role-of-the-fetoplacental-endothelium-in-fetal-growth-restriction-with-abnormal-umbilical-artery-doppler-velocimetry
#14
REVIEW
Emily J Su
Growth-restricted fetuses with absent or reversed end-diastolic velocities in the umbilical artery are at substantially increased risk for adverse perinatal and long-term outcome, even in comparison to growth-restricted fetuses with preserved end-diastolic velocities. Translational studies show that this Doppler velocimetry correlates with fetoplacental blood flow, with absent or reversed end-diastolic velocities signifying abnormally elevated resistance within the placental vasculature. The fetoplacental vasculature is unique in that it is not subject to autonomic regulation, unlike other vascular beds...
October 2015: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/26352077/effect-of-antenatal-betamethasone-administration-on-doppler-velocimetry-of-fetal-and-uteroplacental-vessels-a-prospective-study
#15
Atalay Ekin, Cenk Gezer, Ulas Solmaz, Cuneyt Eftal Taner, Mehmet Ozeren, Askin Dogan, Ibrahim Uyar
OBJECTIVES: To examine the effect of antenatal betamethasone administration on Doppler parameters of fetal and uteroplacental circulation. METHODS: Seventy-six singleton pregnancies that received betamethasone therapy were prospectively evaluated. Doppler measurements of pulsatility indices (PI) in fetal umbilical artery (UA), middle cerebral artery (MCA), ductus venosus and maternal uterine arteries were performed before (0 h) and 24, 48, 72 and 96 h after the first dose of betamethasone...
March 2016: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/26303962/the-use-of-angiogenic-biomarkers-in-maternal-blood-to-identify-which-sga-fetuses-will-require-a-preterm-delivery-and-mothers-who-will-develop-pre-eclampsia
#16
Tinnakorn Chaiworapongsa, Roberto Romero, Amy E Whitten, Steven J Korzeniewski, Piya Chaemsaithong, Edgar Hernandez-Andrade, Lami Yeo, Sonia S Hassan
OBJECTIVE: To determine (1) whether maternal plasma concentrations of angiogenic and anti-angiogenic factors can predict which mothers diagnosed with "suspected small for gestational age fetuses (sSGA)" will develop pre-eclampsia (PE) or require an indicated early preterm delivery (≤ 34 weeks of gestation); and (2) whether risk assessment performance is improved using these proteins in addition to clinical factors and Doppler parameters. METHODS: This prospective cohort study included women with singleton pregnancies diagnosed with sSGA (estimated fetal weight <10th percentile) between 24 and 34 weeks of gestation (n = 314)...
2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/26279411/comparison-between-transdermal-nitroglycerin-and-sildenafil-citrate-in-intrauterine-growth-restriction-effects-on-uterine-umbilical-and-fetal-middle-cerebral-artery-pulsatility-indices
#17
A Trapani, L F Gonçalves, T F Trapani, M J Franco, R N Galluzzo, M M S Pires
OBJECTIVES: To evaluate the effects of transdermal nitroglycerin (GTN) and sildenafil citrate on Doppler velocity waveforms of the uterine (UtA), umbilical (UA) and fetal middle cerebral (MCA) arteries in pregnancies with intrauterine growth restriction (IUGR). METHODS: This was a prospective study of 35 singleton pregnancies (gestational age, 24-31 weeks) with IUGR and abnormal UtA and UA Doppler waveforms. We compared maternal arterial blood pressure and Z-scores of the pulsatility index (PI) of UtA, UA and fetal MCA before and after application of a transdermal GTN patch (average dose, 0...
July 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/26274621/the-use-of-angiogenic-biomarkers-in-maternal-blood-to-identify-which-sga-fetuses-will-require-a-preterm-delivery-and-mothers-who-will-develop-pre-eclampsia
#18
Tinnakorn Chaiworapongsa, Roberto Romero, Amy E Whitten, Steven J Korzeniewski, Piya Chaemsaithong, Edgar Hernandez-Andrade, Lami Yeo, Sonia S Hassan
OBJECTIVE: To determine (1) whether maternal plasma concentrations of angiogenic and anti-angiogenic factors can predict which mothers diagnosed with "suspected small for gestational age fetuses (sSGA)" will develop pre-eclampsia (PE) or require an indicated early preterm delivery (≤ 34 weeks of gestation); and (2) whether risk assessment performance is improved using these proteins in addition to clinical factors and Doppler parameters. METHODS: This prospective cohort study included women with singleton pregnancies diagnosed with sSGA (estimated fetal weight <10th percentile) between 24 and 34 weeks of gestation (n = 314)...
August 14, 2015: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/26207980/fetal-growth-restriction-and-intra-uterine-growth-restriction-guidelines-for-clinical-practice-from-the-french-college-of-gynaecologists-and-obstetricians
#19
C Vayssière, L Sentilhes, A Ego, C Bernard, D Cambourieu, C Flamant, G Gascoin, A Gaudineau, G Grangé, V Houfflin-Debarge, B Langer, V Malan, P Marcorelles, J Nizard, F Perrotin, L Salomon, M-V Senat, A Serry, V Tessier, P Truffert, V Tsatsaris, C Arnaud, B Carbonne
Small for gestational age (SGA) is defined by weight (in utero estimated fetal weight or birth weight) below the 10th percentile (professional consensus). Severe SGA is SGA below the third percentile (professional consensus). Fetal growth restriction (FGR) or intra-uterine growth restriction (IUGR) usually correspond with SGA associated with evidence indicating abnormal growth (with or without abnormal uterine and/or umbilical Doppler): arrest of growth or a shift in its rate measured longitudinally (at least two measurements, 3 weeks apart) (professional consensus)...
October 2015: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/26020551/values-of-t-qrs-ratio-in-pregnancies-complicated-by-intrauterine-growth-restriction
#20
Tomasz Fuchs
AIMS: To evaluate values of T/QRS ratio in normal pregnancies and those complicated by intrauterine growth restriction (IUGR) using non-invasive method with transabdominal electrodes. Assessment of fetal well-being in IUGR pregnancies. METHODS: Fetal electrocardiograms were recorded and analyzed by KOMPOREL software from ITAM (Zabrze, Poland) and T/QRS ratios were automatically calculated. Doppler velocimetry of the middle cerebral artery and umbilical artery was carried out...
May 15, 2015: Journal of Perinatal Medicine
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