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Fetal doppler

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https://www.readbyqxmd.com/read/29669590/sex-differences-in-umbilical-artery-doppler-indices-a-longitudinal-study
#1
Christian Widnes, Kari Flo, Tom Wilsgaard, Torvid Kiserud, Ganesh Acharya
BACKGROUND: Sexual dimorphism in placental size and function has been described. Whether this influences the clinically important umbilical artery (UA) waveform remains controversial, although a few cross-sectional studies have shown sex differences in UA pulsatility index (PI). Therefore, we tested whether fetal sex influences the UA Doppler indices during the entire second half of pregnancy and aimed to establish sex-specific reference ranges for UA Doppler indices if needed. METHODS: Our main objective was to investigate gestational age-associated changes in UA Doppler indices during the second half of pregnancy and compare the values between male and female fetuses...
April 18, 2018: Biology of Sex Differences
https://www.readbyqxmd.com/read/29661165/midwives-perceptions-on-using-a-fetoscope-and-doppler-for-fetal-heart-rate-assessments-during-labor-a-qualitative-study-in-rural-tanzania
#2
Paschal Francis Mdoe, Hege Langli Ersdal, Estomih Mduma, Robert Moshiro, Hussein Kidanto, Columba Mbekenga
BACKGROUND: The Doppler is thought to be more comfortable and effective compared to the fetoscope for assessing the fetal heart rate (FHR) during labor. However, in a rural Tanzanian hospital, midwives who had easy access to both devices mostly used fetoscope. This study explored midwives' perception of factors influencing their preference for using either a Pinard fetoscope or a FreePlay wind-up Doppler for intermittent FHR monitoring. METHODS: Midwives who had worked for at least 6 months in the labor ward were recruited...
April 16, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29643616/labor-analgesia-in-parturients-of-fetal-growth-restriction-having-raised-umbilical-doppler-vascular-indices
#3
Sukhen Samanta, Kajal Jain, Neerja Bhardwaj, Vanita Jain, Preet Mohinder Singh, Sujay Samanta, Veenu Singla, Rini Saha
Background and Aims: Fetuses with abnormal umbilical blood flow are at a higher risk of adverse perinatal outcome than those with normal flow. Epidural analgesia (EA) has shown to decrease villous vascular resistance in preeclamptic women during labor. The present study evaluates the effects of epidural ropivacaine and intramuscular (IM) tramadol on Doppler blood flow in parturients with fetal growth restriction and raised umbilical artery (UmA) blood flow. Material and Methods: In this prospective nonrandomized comparative study, 36 term parturients with sonographic evidence of UmA systolic-diastolic (S-D) ratio ≥3 were enrolled...
January 2018: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/29626979/placental-exosomes-profile-in-maternal-and-fetal-circulation-in-intrauterine-growth-restriction-liquid-biopsies-to-monitoring-fetal-growth
#4
Jezid Miranda, Cristina Paules, Soumyalekshmi Nair, Andrew Lai, Carlos Palma, Katherin Scholz-Romero, Gregory E Rice, Eduard Gratacos, Fatima Crispi, Carlos Salomon
INTRODUCTION: Placenta-derived exosomes may represent an additional pathway by which the placenta communicates with the maternal system to induce maternal vascular adaptations to pregnancy and it may be affected during Fetal growth restriction (FGR). The objective of this study was to quantify the concentration of total and placenta-derived exosomes in maternal and fetal circulation in small fetuses classified as FGR or small for gestational age (SGA). METHODS: Prospective cohort study in singleton term gestations including 10 normally grown fetuses and 20 small fetuses, sub-classified into SGA and FGR accordingly to birth weight (BW) percentile and fetoplacental Doppler...
April 2018: Placenta
https://www.readbyqxmd.com/read/29626976/chronic-histiocytic-intervillositis-clinical-biochemical-and-radiological-findings-an-observational-study
#5
Lawrence Koby, Sarah Keating, Ann Kinga Malinowski, Rohan D'Souza
INTRODUCTION: Chronic histiocytic intervillositis (CHI) of the placenta although rare, has a high recurrence rate, is associated with serious adverse pregnancy outcomes and has no available treatment. This study aims to determine clinical, biochemical and radiological factors associated with CHI, to guide management of subsequent pregnancies. METHODS: This retrospective observational study included consecutive cases with a histopathologic diagnosis of CHI after 18 weeks of gestation, between 2001 and 2014, and no controls...
April 2018: Placenta
https://www.readbyqxmd.com/read/29621786/relationship-between-the-von-willebrand-factor-plasma-concentration-and-ultrasonographic-doppler-findings-in-pregnancies-complicated-by-hypertensive-disorders-a-pilot-study
#6
Agata Szpera-Gozdziewicz, Tomasz Gozdziewicz, Maciej Boruczkowski, Grzegorz Dworacki, Grzegorz H Breborowicz
BACKGROUND/AIMS: Recent evidence suggests that impaired cytotrophoblast proliferation and migration are major factors responsible for the development of hypertension in pregnancy. Studies report that von Willebrand factor (vWf) is a specific endothelial damage plasma marker. The aim of this study was to evaluate the relationship between vWf maternal plasma concentration and maternal and fetal Doppler flow measurements in pregnancies complicated by hypertension. It may provide additional insight into the pathophysiology of pregnancy-related hypertension and show the potential method for disease prevention and therapy...
April 5, 2018: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/29607557/maternal-hemodynamics-fetal-biometry-and-dopplers-in-pregnancies-followed-up-for-suspected-fetal-growth-restriction
#7
Llinos A Roberts, Hua Zen Ling, Liona Poon, Kypros H Nicolaides, Nikos A Kametas
OBJECTIVES: To assess whether in a cohort of patients with small for gestational age (SGA) foetuses with estimated fetal weight ≤10th percentile, maternal hemodynamics, fetal biometry and Dopplers at presentation, can predict the subsequent development of abnormal fetal Dopplers or delivery with birthweight <3rd percentile. METHODS: The study population comprised of 86 singleton pregnancies with SGA fetuses presenting at a median gestational age of 32 (range 26-35) weeks...
April 1, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29606482/planning-management-and-delivery-of-the-growth-restricted-fetus
#8
REVIEW
Ahmet A Baschat
A uniform approach to management of fetal growth restriction (FGR) improves outcome, prevents stillbirth, and allows appropriately timed delivery. An estimated fetal weight below the tenth percentile with coexisting abnormal umbilical artery (UA), middle cerebral artery (MCA), or cerebroplacental ratio Doppler index best identifies the small fetus requiring surveillance. Placental perfusion defects are more common earlier in gestation; accordingly, early-onset (≤32 weeks of gestation) and late-onset (>32 weeks) FGR differ in clinical phenotype...
March 1, 2018: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29606022/associations-between-neural-injury-markers-of-intrauterine-growth-restricted-infants-and-neurodevelopment-at-2-years-of-age
#9
E Mazarico, E Llurba, L Cabero, O Sánchez, A Valls, A Martin-Ancel, D Cardenas, M D Gómez Roig
OBJECTIVES: The aim of this study was to evaluate the relationships between brain injury biomarkers in intrauterine growth-restricted (IUGR) infants (S100B and neuron-specific enolase (NSE)) and neurodevelopment at 2 years of age. METHODS: This prospective case-control study was a cooperative effort among Spanish Maternal and Child Health Network (Retic SAMID) hospitals. At inclusion, biometry for estimated fetal weight and feto-placental Doppler variables were measured for each infant...
March 31, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29593993/fetal-primary-hydrothorax-with-spontaneous-resolution
#10
Vera Trocado, J P Coutinho-Borges, Mariana Carlos-Alves, Joaquim Santos, Paula Pinheiro
Fetal primary hydrothorax is a rare congenital anomaly with an estimated incidence of 1:10.000-15.000 pregnancies, with an unpredictable clinical course, ranging from spontaneous resolution to fetal death. We present a case of a unilateral fetal pleural effusion identified at 35th gestational week. A 37 year-old woman (G2P1) presented to our routine term pregnancy evaluation. The pregnancy had been otherwise uneventful. At ecographic evaluation a large anechogenic fluid collection was identified in the right fetal hemithorax, with atelectasis of right lung, displacing the heart and mediastinal structures to the contralateral hemithorax...
July 2017: Case Reports in Women's Health
https://www.readbyqxmd.com/read/29587562/correlation-between-umbilical-arterial-ph-values-and-fetal-vertebral-artery-doppler-waveforms-at-the-beginning-of-the-second-stage-of-labor-a-pilot-prospective-study
#11
Danila Morano, Gennaro Scutiero, Piergiorgio Iannone, Giulia Nencini, Elena Mantovani, Antonio Farina, Pantaleo Greco
OBJECTIVE: The aim of this study was to evaluate the association between umbilical arterial pH and fetal vertebral artery Doppler velocimetry waveforms measured at the beginning of the second stage of labor in physiological term pregnancies. METHODS: This was a prospective cohort study of 250 pregnancies. The resistance index, pulsatility index and peak systolic velocity were measured. The relationship between the fetal Doppler and the umbilical arterial pH was evaluated...
March 27, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29582442/relationship-between-fetal-peak-systolic-velocity-in-middle-cerebral-artery-and-umbilical-blood-gas-values-and-hemoglobin-levels-in-diabetic-pregnant-women
#12
Mehmet S Kutuk, Mehmet Dolanbay, Ayse F Gokmen Karasu, Mahmut T Ozgun
PURPOSE: To assess the relationship between peak systolic velocity in the middle cerebral artery (MCA-PSV) and fetal hypoxia in diabetic pregnant women requiring insulin therapy. METHODS: The data of diabetic pregnant women using insulin who were followed in our departments were reviewed retrospectively. The relationships between MCA-PSV and umbilical cord pO2, pCO2, base deficit, hemoglobin, and birth weight were analyzed. RESULTS: A total of 120 cases were included in the final analysis...
March 26, 2018: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/29573498/correlation-between-fetoplacental-dopplers-and-cardiac-function-in-term-fetuses
#13
Amal A Alsolai, Larissa N Bligh, Ristan M Greer, Sailesh Kumar
OBJECTIVE: Redistribution of cardiac output is responsible for the "brain sparing" effect seen during periods of fetal stress. Our aim was to prospectively investigate the correlation between feto-placental Dopplers and cardiac function. METHODS: This prospective, observational study included normotensive women with appropriately grown, non-anomalous, singleton pregnancies. Participants underwent fortnightly ultrasounds from 36 weeks' gestation and intrapartum and neonatal outcomes were recorded...
March 24, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29572873/characterizing-cardiac-dysfunction-in-fetuses-with-left-congenital-diaphragmatic-hernia
#14
Mónica Cruz-Lemini, Brenda Valenzuela-Alcaraz, Julio Granados-Montiel, Josep M Martínez, Fátima Crispi, Eduard Gratacós, Rogelio Cruz-Martínez
OBJECTIVE: To evaluate cardiac function by conventional echocardiography and tissue Doppler imaging (TDI) in fetuses with left congenital diaphragmatic hernia (CDH). METHODS: Conventional echocardiography (myocardial performance index (MPI), ventricular filling velocities and E/A ratios) and TDI (annular myocardial peak velocities, E/E' and E'/A' ratios) in mitral, septal and tricuspid annulus were evaluated in a cohort of 31 left-sided CDH fetuses and compared with 75 controls matched for gestational age 2:1...
March 23, 2018: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29564310/fetal-doppler-to-predict-cesarean-delivery-for-non-reassuring-fetal-status-in-the-severe-small-for-gestational-age-fetuses-of-late-preterm-and-term
#15
Ji Hye Jo, Yong Hee Choi, Jeong Ha Wie, Hyun Sun Ko, In Yang Park, Jong Chul Shin
Objective: To evaluate the significance of fetal Doppler parameters in predicting adverse neonatal outcomes and the risk of cesarean delivery due to non-reassuring fetal status, in severe small for gestational age (SGA) fetuses of late preterm and term gestation. Methods: Fetal brain and umbilical artery (UmA) Doppler parameters of cerebroplacental ratio (CPR) and UmA pulsatility index (PI) were evaluated in a cohort of 184 SGA fetuses between 34 and 41 weeks gestational age, who were less than the 5th percentile...
March 2018: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/29560164/comparison-of-umbilical-artery-doppler-and-non-stress-test-in-assessment-of-fetal-well-being-in-gestational-diabetes-mellitus-a-prospective-cohort-study
#16
Shirin Niromanesh, Mahboobeh Shirazi, Mitra Eftekhariyazdi, Forough Mortazavi
Background: Gestational diabetes mellitus (GDM) is one of the most common medical complications of pregnancy and is related to poor perinatal outcomes. Reduction of neonatal complications of GDM is feasible by assessment of fetal well-being. Both fetal Doppler and NST are used for the screening of high-risk pregnancies. Objective: We aimed to compare the non-stress test (NST) and umbilical artery (UA) Doppler assessments for evaluation of the adverse perinatal outcomes in GDM...
December 2017: Electronic Physician
https://www.readbyqxmd.com/read/29544383/second-trimester-marginal-cord-insertion-is-associated-with-adverse-perinatal-outcomes
#17
M Baraa Allaf, Maria Andrikopoulou, Natalie Crnosija, Jolene Muscat, Martin R Chavez, Anthony M Vintzileos
OBJECTIVES: To determine the feasibility in visualizing placental cord insertion (PCI) during second-trimester fetal anatomical survey and the association between marginal cord insertion (MCI) and preterm delivery (PTD) and low birth weight (LBW). Our secondary objectives were to evaluate the association of MCI with adverse composite obstetrical and neonatal outcomes. METHODS: A prospective cohort study was performed over a 28-month period. Women with singleton pregnancies presenting for routine anatomical survey between 18-22 weeks' gestation were included...
March 16, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29531565/evaluation-of-the-predictive-value-of-fetal-doppler-ultrasound-for-neonatal-outcome-from-the-36-th-week-of-pregnancy
#18
Zahra Laleh Eslamian, Elahe Zarean, Maryam Moshfeghi, Zahra Heidari
Background: Early prediction of adverse neonatal outcome would be possible by Doppler impedance indices of middle cerebral artery (MCA), umbilical artery (UmA), and descending aortal artery (AO) that result in decrease neonatal morbidity and mortality rate. The aim of the present study was a determination of optimal value for the ratio of MCA to descending aorta blood flow (MCA/AO) impedance indices and its comparison with the ratio of MCA to UmA (MCA/UmA) impedance indices and their relationship with neonatal outcome...
2018: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/29530064/dynamic-fetal-cardiovascular-magnetic-resonance-imaging-using-doppler-ultrasound-gating
#19
Fabian Kording, Jin Yamamura, Manuela Tavares de Sousa, Christian Ruprecht, Erik Hedström, Anthony H Aletras, P Ellen Grant, Andrew J Powell, Kai Fehrs, Gerhard Adam, Hendrik Kooijman, Bjoern P Schoennagel
BACKGROUND: Fetal cardiovascular magnetic resonance (CMR) imaging may provide a valuable adjunct to fetal echocardiography in the evaluation of congenital cardiovascular pathologies. However, dynamic fetal CMR is difficult due to the lack of direct in-utero cardiac gating. The aim of this study was to investigate the effectiveness of a newly developed Doppler ultrasound (DUS) device in humans for fetal CMR gating. METHODS: Fifteen fetuses (gestational age 30-39 weeks) were examined using 1...
March 12, 2018: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/29498037/prenatal-diagnosis-of-persistent-right-umbilical-vein-incidence-and-clinical-impact-a-prospective-study
#20
Arkadiusz Krzyżanowski, Dariusz Swatowski, Tomasz Gęca, Maciej Kwiatek, Aleksandra Stupak, Sławomir Woźniak, Anna Kwaśniewska
BACKGROUND: Persistent right umbilical vein (PRUV) is usually an isolated finding but it may be accompanied by other fetal malformations. AIMS: We aimed to determine the incidence of prenatally diagnosed PRUV in a referral population, assess the neonatal outcome and discuss the findings together with those from previous publications. MATERIALS AND METHODS: A total of 2360 women with low-risk singleton pregnancies were examined in the second and third trimesters...
March 2, 2018: Australian & New Zealand Journal of Obstetrics & Gynaecology
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