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Uterine artery doppler

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https://www.readbyqxmd.com/read/29680082/no-197a-fetal-health-surveillance-antepartum-consensus-guideline
#1
Robert Liston, Diane Sawchuck, David Young
OBJECTIVE: This guideline provides new recommendations pertaining to the application and documentation of fetal surveillance in the antepartum period that will decrease the incidence of birth asphyxia while maintaining the lowest possible rate of obstetrical intervention. Pregnancies with and without risk factors for adverse perinatal outcomes are considered. This guideline presents an alternative classification system for antenatal fetal non-stress testing to what has been used previously...
April 2018: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/29675495/maternal-history-and-uterine-artery-wave-form-in-the-prediction-of-early-onset-and-late-onset-preeclampsia-a-cohort-study
#2
Nidhi Sharma, Krishnamurthy Jayashree, Kulasekaran Nadhamuni
Background: Pregnancy induced hypertension (PIH) is a significant cause of maternal morbidity and mortality. Pregnancy-induced-hypertension can be prevented by identification of prenatal and antenatal factors. The uterine artery Doppler waveform transforms into a high flow with low resistance at 22-24 wk. Objective: To study the maternal risk factors and uterine artery Doppler waveform in singleton mid-trimester pregnancy and predict the occurrence of pregnancy-induced hypertension ...
February 2018: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/29670406/effect-of-clomiphene-citrate-on-uterine-hemodynamics-in-women-with-unexplained-infertility
#3
Eman Omran, Mohamed El-Sharkawy, Akmal El-Mazny, Mohamed Hammam, Wafaa Ramadan, Dina Latif, Dalia Samir, Sherine Sobh
Purpose: The aim of the study was to evaluate the effect of clomiphene citrate on uterine artery blood flow using pulsed Doppler and endometrial and subendometrial micro vascularization using 3D power Doppler in unexplained infertility. Patients and methods: In a prospective observational study at a university teaching hospital, the mid-luteal (peri-implantation) endometrial thickness and volume, uterine artery pulsatility index (PI) and resistance index (RI), endometrial and subendometrial vascularization index (VI), flow index (FI), and vascularization flow index (VFI), and serum estradiol and progesterone levels were compared between natural and clomiphene citrate stimulated cycles in the same group of 50 patients with unexplained infertility...
2018: International Journal of Women's Health
https://www.readbyqxmd.com/read/29658370/changes-in-endothelial-function-arterial-stiffness-and-blood-pressure-in-pregnant-women-after-consumption-of-high-flavanol-and-high-theobromine-chocolate-a-double-blind-randomized-clinical-trial
#4
Asma Babar, Emmanuel Bujold, Vicky Leblanc, Élise Lavoie-Lebel, Joalee Paquette, Laurent Bazinet, Simone Lemieux, Isabelle Marc, Belkacem Abdous, Sylvie Dodin
OBJECTIVES: The aim of this 2-group, parallel, double blind single-centre RCT was to evaluate the acute and chronic impacts of high flavanol high theobromine (HFHT) chocolate consumption on endothelial function, arterial stiffness and blood pressure (BP) in women at risk of preeclampsia. METHODS: 131 pregnant women considered at risk of preeclampsia based on uterine artery Doppler ultrasound were divided into two groups (HFHT or low flavanol and theobromine chocolate (LFLT)...
April 16, 2018: Hypertension in Pregnancy
https://www.readbyqxmd.com/read/29643616/labor-analgesia-in-parturients-of-fetal-growth-restriction-having-raised-umbilical-doppler-vascular-indices
#5
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/29607557/maternal-hemodynamics-fetal-biometry-and-dopplers-in-pregnancies-followed-up-for-suspected-fetal-growth-restriction
#6
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/29603308/spatial-configuration-of-the-uterine-artery-cervical-segment-in-3-dimensional-reconstruction-at-11-to-14-weeks-gestation
#7
Dragos Nemescu, Dan Bogdan Navolan, Alina Veduta
Uterine artery blood flow measurement is an important component of preeclampsia screening in the first trimester. Transabdominal measurement of the uterine artery pulsatility index has been reported to have relatively low interobserver reproducibility, mainly because the uterine artery is not sampled in the same place every time. We assessed the uterine artery pathway using 3-dimensional power Doppler reconstruction. We found that the artery always forms a loop at the level of the uterine cervix, with anterior descending and posterior ascending segments...
March 30, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29602135/reference-range-of-gestational-uterine-artery-resistance-index-in-small-canine-breeds
#8
P R Batista, C Gobello, A Rube, J P Barrena, N E Re, P G Blanco
The objectives of this study were to evaluate the uterine artery blood flow during the second half of normal pregnancy in small breed dogs and to determine the RI reference values of this artery in these bitches. Fifty-two, 1.5-6.5 kg, purebred healthy pregnant bitches were included in this study. Doppler ultrasonographic examinations of the uterus were performed every 10 days from Day 30 of the estrous cycle to parturition. Peak systolic velocity (PSV) and end diastolic velocity (EDV) of the uterine artery were measured while RI [(PSV-EDV)/PSV] was automatically calculated...
March 21, 2018: Theriogenology
https://www.readbyqxmd.com/read/29573498/correlation-between-fetoplacental-dopplers-and-cardiac-function-in-term-fetuses
#9
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/29550273/effect-of-exogenous-estradiol-benzoate-on-uterine-blood-flow-in-postpartum-dairy-cows
#10
Mohamed Rawy, Shogo Mido, Hossam El-Sheikh Ali, Derar Derar, Gaber Megahed, Go Kitahara, Takeshi Osawa
The objective of this study was to assess the uterine blood flow following estradiol benzoate administration in Holstein-Friesian dairy cows by trans-rectal color Doppler ultrasonography. Six healthy lactating Holstein-Friesian cows were examined daily for 10 days starting at 4 weeks postpartum. All the cows, which were clinically healthy based on vaginal mucus scoring and endometrial cytology, were examined by trans-rectal Doppler ultrasonography to measure pulsatility index (PI), resistance index (RI), time average maximum velocity (TAMAX), blood flow volume (BFV) and diameter in the uterine arteries ipsilateral and contralateral to the previously pregnant uterine horn...
March 3, 2018: Animal Reproduction Science
https://www.readbyqxmd.com/read/29537325/a-comparison-of-two-different-oral-contraceptives-in-patients-with-severe-primary-dysmenorrhoea
#11
Gulsum Uysal, Hatice Akkaya, Fulya Cagli, Sadan Tutus, Ahter T Tayyar
Pain relief of two different oral contraceptive pills (OCPs) in severe primary dysmenorrhoea (PD) was compared. Sixty-six nulliparous patients with severe PD requiring contraception were evaluated. Group 1 comprised 33 healthy controls. Patients with severe PD were divided into two groups. Patients in Group 2 were administered oestradiol valerate/dienogest and patients in Group 3 were administered ethinylestradiol/drospirenone. Doppler indices of both uterine arteries (left and right) including systolic/diastolicrates (S/D), pulsatility index (PI) and resistance index (RI) were measured, and a visual analogue scale (VAS) was applied to patients before treatment...
March 14, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29523283/the-role-of-angiogenic-biomarkers-and-uterine-artery-doppler-in-pregnant-women-with-systemic-lupus-erythematosus-or-antiphospholipid-syndrome
#12
M E Rodríguez-Almaraz, I Herraiz, P I Gómez-Arriaga, P Vallejo, E Gonzalo-Gil, A Usategui, E A López-Jiménez, A Galindo, M Galindo
OBJECTIVE: To evaluate the usefulness of the uterine artery mean pulsatility index (mPI-UtA) and the sFlt-1/PlGF ratio in women with systemic lupus erythematosus (SLE) or antiphospholipid syndrome (APS) for the prediction of placental dysfunction-related adverse outcomes (AO), namely pre-eclampsia (PE) and intrauterine growth restriction (IUGR), and for differential diagnosis between PE and SLE flares. STUDY DESIGN: Observational prospective cohort study of 57 pregnant women with SLE or APS...
January 2018: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29498074/influence-of-ulipristal-acetate-therapy-on-uterine-fibroid-related-symptoms-and-on-uterine-and-fibroid-volumes-and-vascularity-indices-assessed-by-ultrasound
#13
Silvia Baggio, Paola Pomini, Fabiana Galeone, Francesca Presti, Lorenza Santi, Ricciarda Raffaelli, Massimo Franchi
OBJECTIVES: To investigate the modifications of uterine and fibroid volume, to study Doppler changes in uterine arteries and fibroid-supplying vessels, and to assess possible symptomatic relief after 3 months of treatment with ulipristal acetate. METHODS: Forty-two premenopausal women with symptomatic fibroids were included in the study. They were evaluated clinically for the symptoms reported and underwent ultrasound examinations before starting treatment and after 3 months of therapy with ulipristal acetate...
March 2, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29493778/effects-of-betamethasone-on-fetoplacental-and-maternal-hemodynamics-in-preterm-pregnancies
#14
Cihan Inan, N Cenk Sayin, Zehra N Dolgun, Selen G Erzincan, Isil Uzun, Havva Sutcu, Necdet Sut, Fusun G Varol
OBJECTIVE: To evaluate the possible effects of prenatal steroid administration on Doppler parameters of the umbilical artery, uterine artery, middle cerebral artery, and ductus venosus, the cerebroplacental ratio, and the amniotic fluid index in preterm fetuses. METHODS: The present prospective observational study was performed at the Perinatology Department of Trakya University, Edirne, Turkey, between June 1, 2015, and September 1, 2016. It included patients with healthy singleton pregnancies who had received betamethasone at 24-34 weeks of pregnancy...
March 1, 2018: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29465714/preeclampsia-induced-by-storkhead-box-1-overexpression-in-mice-induces-intrauterine-growth-restriction-abnormal-ultrasonography-and-blood-oxygenation-level-dependent-mri-signatures
#15
Hélène Collinot, Carmen Marchiol, Isabelle Lagoutte, Franck Lager, Nathalie Siauve, Gwennhael Autret, Daniel Balvay, Gilles Renault, Laurent J Salomon, Daniel Vaiman
BACKGROUND: Preeclampsia is a major hypertensive disease caused by pregnancy, inducing proteinuria and increased blood pressure starting from the second half of pregnancy (early preeclampsia) or near the end of pregnancy (late preeclampsia). Pre-symptomatic diagnosis would allow for therapeutic interventions, such as with low-dose aspirin. Among non-invasive methods to explore organ physiology, Doppler ultrasonography (US) and functional blood oxygenation level-dependent (BOLD) MRI (which do not need radioactive contrast agents such as gadolinium) can be used in pregnant women...
February 20, 2018: Journal of Hypertension
https://www.readbyqxmd.com/read/29450694/characteristics-of-women-with-mixed-mass-formation-after-evacuation-following-uterine-artery-chemoembolization-for-cesarean-scar-pregnancy
#16
Qiu-Lei Sun, Xiao-Hua Wu, Li Luo, De-Mei Ying, Ying Yang, Zheng-Qiong Chen
PURPOSE: To explore the efficacy of treatment for early cesarean scar pregnancy (CSP) and to evaluate the characteristics of women with subsequent mixed mass formation. METHODS: Women with CSP, who received UACE followed by evacuation, were retrospectively analyzed. Clinical/sonographic characteristics in patients with or without mixed mass formation were compared. RESULTS: From a total of 395 cases, 105 cases had a pregnancy residual with mixed mass formation...
February 15, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29447050/added-value-of-cerebro-placental-ratio-and-uterine-artery-doppler-at-routine-third-trimester-screening-as-a-predictor-of-sga-and-fgr-in-nonselected-pregnancies
#17
M Rial-Crestelo, R J Martinez-Portilla, A Cancemi, J Caradeux, L Fernandez, A Peguero, E Gratacos, Francesc Figueras
OBJECTIVES: To determine the added value of cerebroplacental ratio (CPR) and uterine Doppler velocimetry at third trimester scan in an unselected obstetric population to predict smallness and growth restriction. METHODS: We constructed a prospective cohort study of women with singleton pregnancies attended for routine third trimester screening (32 +0 -34 +6 weeks). Fetal biometry and fetal-maternal Doppler ultrasound examinations were performed by certified sonographers...
February 15, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29437882/decidual-regulation-of-trophoblast-is-altered-in-pregnancies-at-risk-of-pre-eclampsia
#18
Laura B James-Allan, Guy StJ Whitley, Karin Leslie, Alison E Wallace, Judith E Cartwright
Successful implantation and placentation are dependent on the interaction between decidual stromal cells (DSC) and extravillous trophoblast (EVT) cells. The extent of trophoblast invasion relies on communication between the placenta and maternal decidua. The cyclical process of decidualisation induces a transformation of endometrial fibroblasts to secretory DSC; these secreted products have many functions including the control of trophoblast invasion. Inadequate trophoblast invasion and remodelling of the uterine vessels (the spiral arteries) are associated with pregnancy disorders such as pre-eclampsia...
February 7, 2018: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/29422212/diagnosis-and-surveillance-of-late-onset-fetal-growth-restriction
#19
REVIEW
Francesc Figueras, Javier Caradeux, Fatima Crispi, Elisenda Eixarch, Anna Peguero, Eduard Gratacos
By consensus, late fetal growth restriction is that diagnosed >32 weeks. This condition is mildly associated with a higher risk of perinatal hypoxic events and suboptimal neurodevelopment. Histologically, it is characterized by the presence of uteroplacental vascular lesions (especially infarcts), although the incidence of such lesions is lower than in preterm fetal growth restriction. Screening procedures for fetal growth restriction need to identify small babies and then differentiate between those who are healthy and those who are pathologically small...
February 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29416108/combination-of-serum-histidine-rich-glycoprotein-and-uterine-artery-doppler-to-predict-preeclampsia
#20
Adisorn Aksornphusitaphong, Vorapong Phupong
The primary aim of this study is to determine the value of using a combination of serum histidine-rich glycoprotein (HRG) level and uterine artery pulsatility index (PI) in pregnant women at 11-13+6 weeks' gestation to predict preeclampsia. The secondary aim is to determine the association between other pregnancy complications with the use of these combined tests. Transabdominal uterine artery PI and serum HRG level were measured at the time of first-trimester aneuploidy screening at 11-13+6 weeks' gestation in 327 pregnant women...
February 7, 2018: Hypertension Research: Official Journal of the Japanese Society of Hypertension
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