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Uterine artery doppler

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https://www.readbyqxmd.com/read/29917286/quality-assessment-of-uterine-artery-doppler-measurement-in-first-trimester-combined-screening-for-pre-eclampsia
#1
Daniel L Rolnik, Fabricio da Silva Costa, Daljit Sahota, Jon Hyett, Andrew McLennan
AIM: To assess the quality of mean uterine artery pulsatility index (UtAPI) measurement in a first trimester pre-eclampsia screening program. METHODS: Consecutive patients attending first trimester screening for fetal chromosomal abnormalities also had combined screening for pre-eclampsia based on the Fetal Medicine Foundation (FMF) algorithm, in a large practice in Sydney, Australia, from May 2014 to February 2017. Distributions of mean UtAPI multiples of the median (MoM) on the logarithmic scale were plotted in relation to the normal median with 95% confidence interval (CI) for each operator and for each month...
June 19, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29913544/uterine-artery-doppler-in-screening-for-preeclampsia-and-fetal-growth-restriction
#2
Marianna Amaral Pedroso, Kirsten Rebecca Palmer, Ryan James Hodges, Fabricio da Silva Costa, Daniel Lorber Rolnik
OBJECTIVE:  To perform a comprehensive review of the current evidence on the role of uterine artery Doppler, isolated or in combination with other markers, in screening for preeclampsia (PE) and fetal growth restriction (FGR) in the general population. The review included recently published large cohort studies and randomized trials. METHODS:  A search of the literature was conducted using Medline, PubMed, MeSH and ScienceDirect. Combinations of the search terms "preeclampsia," "screening," "prediction," "Doppler," "Doppler velocimetry," "fetal growth restriction," "small for gestational age" and "uterine artery" were used...
May 2018: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/29907759/bisphenol-a-exposure-during-early-pregnancy-impairs-uterine-spiral-artery-remodeling-and-provokes-intrauterine-growth-restriction-in-mice
#3
Judith Elisabeth Müller, Nicole Meyer, Clarisa Guillermina Santamaria, Anne Schumacher, Enrique Hugo Luque, Maria Laura Zenclussen, Horacio Adolfo Rodriguez, Ana Claudia Zenclussen
Endocrine disrupting chemicals are long suspected to impair reproductive health. Bisphenol A (BPA) has estrogenic activity and therefore the capacity of interfering with endocrine pathways. No studies dissected its short-term effects on pregnancy and possible underlying mechanisms. Here, we studied how BPA exposure around implantation affects pregnancy, particularly concentrating on placentation and uterine remodeling. We exposed pregnant female mice to 50 µg/kg BPA/day or 0.1% ethanol by oral gavage from day 1 to 7 of gestation...
June 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29901928/uterine-and-ovary-blood-flow-after-uterine-desarterialization
#4
Sebastián Carranza-Lira, Liliana Sillas-Pardo, Sergio Rosales-Ortíz
Background: The aim of this article is to compare the effect of uterine desarterialization (UD) and hypogastric arteries ligature (HAL) in uterine and ovarian blood flow indirectly measured with the pulsatility index (PI). Methods: Women in which UD or HAL was carried out for obstetric hemorrhage control were studied. Control group were puerperal women in which no UD or HAL was carried out. In all them uterine and ovarian blood flow was evaluated with the PI measured with Doppler ultrasound at 48 hours, 15 days and at 6 weeks after the procedure...
March 2018: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/29900608/early-labor-cerebroplacental-ratio-assessment-in-uncomplicated-term-pregnancies-and-prediction-of-adverse-perinatal-outcomes-a-prospective-multicentre-study
#5
Andrea Dall'Asta, Tullio Ghi, Giuseppe Rizzo, Annalisa Cancemi, Filomena Aloisio, Domenico Arduini, Giuseppe Pedrazzi, Francesc Figueras, Tiziana Frusca
INTRODUCTION: Doppler ultrasound has recently been suggested to identify subclinical placental functional impairment among normal sized term fetuses. The objective of this study was to evaluate the relationship between cerebroplacental ratio (CPR) measured in early labor and perinatal and delivery outcomes in a cohort of uncomplicated singleton term pregnancies. METHODS: This was a multicentre, prospective, observational study involving three Tertiary Centres. Low risk term pregnancies, as defined by the absence of any maternal morbidity and pregnancy complication and normal ultrasound and clinical screening of the fetal growth in the third trimester, with spontaneous onset of labor were included...
June 13, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29884305/understanding-abnormal-uterine-artery-doppler-waveforms-a-novel-computational-model-to-explore-potential-causes-within-the-utero-placental-vasculature
#6
Alys R Clark, Joanna L James, Gordon N Stevenson, Sally L Collins
INTRODUCTION: Uterine artery (UtA) Doppler indices are one of the most commonly employed screening tests for pre-eclampsia worldwide. Abnormal indices appear to result from increased uterine vascular resistance, but anatomical complexity and lack of appropriate animal models mean that little is known about the relative contribution of each of the components of the uterine vasculature to the overall UtA Doppler waveform. Previous computational models suggested that trophoblast-mediated spiral artery remodeling has a dominant effect on the UtA Doppler waveform...
June 2018: Placenta
https://www.readbyqxmd.com/read/29884106/second-trimester-maternal-serum-amniotic-fluid-nitric-oxide-and-vascular-endothelial-growth-factor-levels-in-relation-to-uterine-artery-doppler-indices-in-pregnancies-with-normal-outcome
#7
Emre Zafer, Cigdem Yenisey, Meryem Kurek Eken, Ezgi Ozdemir, Imran Kurt Omurlu, Hasan Yuksel
The aim of the present study was to explore the possible relations of maternal serum and amniotic fluid nitric oxide (NO) and of vascular endothelial growth factor A (VEGF-A) concentrations with uterine artery Doppler indices (UtADs) in a healthy second trimester obstetric population. In this regard, the levels of NO and VEGF-A were measured in maternal sera and the amniotic fluid samples were in 36 subjects who were in their early second trimester of pregnancy. The mean levels for VEGF-A were 110.3 ± 31...
June 8, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29870089/re-perinatal-outcome-and-placental-apoptosis-in-patients-with-late-onset-pre-eclampsia-and-abnormal-uterine-artery-doppler-at-diagnosis-m-rodr%C3%A3-guez-c-couve-p%C3%A3-rez-s-san-mart%C3%A3-n-f-mart%C3%A3-nez-c-lozano-and-a-sep%C3%A3%C2%BAlveda-mart%C3%A3-nez-ultrasound-obstet-gynecol-2018
#8
https://www.readbyqxmd.com/read/29851029/placental-growth-factor-as-an-indicator-of-fetal-growth-restriction-in-late-onset-small-for-gestational-age-pregnancies
#9
Ngaire Anderson, Monique De Laat, Samantha Benton, Peter Dadelszen, Lesley McCowan
BACKGROUND: At-risk small-for-gestational age (SGA) pregnancies in New Zealand are identified using Doppler ultrasound; fetuses with Doppler abnormalities are considered growth restricted (FGR). Low maternal placental growth factor (PlGF) has also been associated with late-onset FGR. AIMS: To investigate whether low PlGF at diagnosis of late-onset SGA identifies the same fetuses classified FGR by detailed Doppler studies, and the association between low PlGF and adverse pregnancy outcomes...
May 31, 2018: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29808615/image-scoring-system-for-umbilical-and-uterine-artery-pulsed-wave-doppler-ultrasound-measurement
#10
M Molloholli, R Napolitano, E O Ohuma, S Ash, S Z Wanyonyi, A Cavallaro, A Giudicepietro, F Barros, M Carvalho, S Norris, M A M Min, G Zainab, A T Papageorghiou
OBJECTIVE: To develop an objective, image scoring system for pulsed wave Doppler measurement of maternal uterine and fetal umbilical arteries, and evaluate how the system compares with subjective assessment of the images. METHODS: As part of the quality control strategy for the INTERGROWTH-21st Project, we developed a scoring system based on six predefined criteria for uterine and umbilical artery pulsed wave Doppler measurement. The scoring system was compared to subjective assessment, which consisted simply of classifying an image as acceptable or unacceptable...
May 28, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29804487/combined-doppler-ultrasound-and-platelet-indices-for-prediction-of-preeclampsia-in-high-risk-pregnancies
#11
Mohamed Abdel Razik, Ahmed Mostafa, Sara Taha, Ahmed Salah
OBJECTIVES: To evaluate Doppler ultrasound and platelet indices for prediction of preeclampsia (PE). DESIGN: Prospective observational study. METHODS: The study included 270 normal pregnancy primigravida < 20 years at 20-24-week gestation. Doppler ultrasound was done to detect uterine artery diastolic notch and to measure the pulsation index (PI) and the resistance index (RI). The platelet count (PC), mean platelet volume (MPV), platelet distribution width (PDW) and platelet large cell ratio (Plcr) was measured by automated blood picture...
May 27, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29803894/impact-of-selective-serotonin-reuptake-inhibitors-ssris-during-pregnancy-and-lactation-a-focus-on-short-and-long-term-vascular-effects
#12
REVIEW
S Zullino, T Simoncini
SSRIs are the first choice for the treatment of mood disorders during pregnancy and lactation. Despite the known side effects, the benefits/risks balance suggests their use. Hypertensive disorders of pregnancy (HDP) and Intrauterine growth restriction (IUGR) are the main vascular effects of these drugs, with mechanisms that involves endothelial dysfunction in feto-placental system. These data are supported by animal models, even if preliminary findings are not yet adequately supported by molecular and clinical data...
May 24, 2018: Vascular Pharmacology
https://www.readbyqxmd.com/read/29803191/the-duration-of-sexual-relationship-and-its-effects-on-adverse-pregnancy-outcomes
#13
Prabha Andraweera, Claire T Roberts, Shalem Leemaqz, Lesley McCowan, Jenny Myers, Louise C Kenny, James Walker, Lucilla Poston, Gus Dekker
This study aims to determine if a short duration of sexual relationship is more common among women who experience adverse pregnancy outcomes including gestational hypertension (GHT), preeclampsia, small for gestational age (SGA) pregnancies and spontaneous preterm birth (sPTB) with or without abnormal uterine artery Doppler compared to women who have uncomplicated pregnancies. 5591 nulliparous women from the Screening for Pregnancy Endpoints (SCOPE) study were included. The risk for pregnancy complications for women who had a duration of sexual relationship of ≤3 months, 4-6 months, 7-9 months, 10-12 months was compared with women who had a duration of sexual relationship of >12 months...
May 18, 2018: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/29780783/doppler-sonography-of-perifibroid-and-intrafibroid-arteries-of-uterine-leiomyomas
#14
Bukunmi Michael Idowu, Bolanle Olubunmi Ibitoye
Objective: To sonographically evaluate the dominant fibroid nodule vascularity and flow velocity pattern of perifibroid and intrafibroid arteries. Methods: We recruited 140 women with uterine fibroids. Their uteri were scanned to determine the vascularity of fibroid nodules and the Doppler indices of the fibroid arteries. Results: The median volume of the dominant leiomyoma nodule was 133 cm3 (range=1.5-2,575 cm3 ). Eighty-three subjects (59...
May 2018: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/29778069/differential-correlations-between-maternal-hair-levels-of-tobacco-and-alcohol-with-fetal-growth-restriction-clinical-subtypes
#15
Sally Sabra, Ebba Malmqvist, Laura Almeida, Eduard Gratacos, Maria Dolores Gomez Roig
Maternal exposure to tobacco and alcohol is a known cause, among others, for fetal growth restriction (FGR). Clinically, FGR can be subclassified into two forms: intrauterine growth restriction (IUGR) and small for gestational age (SGA), based on the severity of the growth retardation, and abnormal uterine artery Doppler or cerebro-placental ratio. This study aimed at investigating any differential correlation between maternal exposures to these toxins with the two clinical forms of FGR. Therefore, a case-control study was conducted in Barcelona, Spain...
January 4, 2018: Alcohol
https://www.readbyqxmd.com/read/29764256/strategies-for-the-prediction-of-late-preeclampsia
#16
Raquel Mula, Eva Meler, Gerard Albaiges, Ignacio Rodriguez
OBJECTIVES: To evaluate different strategies for the prediction of late preeclampsia. METHODS: A retrospective study was undertaken. A predictive model including maternal parameters (maternal age, maternal BMI, maternal history of preeclampsia or intrauterine growth restriction (PE/IUGR) or maternal chronic disease, and maternal arterial pressure) and mean pulsatility index (PI) of uterine Doppler was created. It was evaluated as an independent model in each trimester, considering 11-13...
May 15, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29750127/a-potentially-useful-addition-to-predict-spontaneous-resolution-of-uterine-artery-pseudoaneurysm-absence-of-diastolic-flow
#17
Yosuke Baba, Hironori Takahashi, Hiroyuki Morisawa, Daisuke Matsubara, Kohei Tamura, Rie Usui, Shigeki Matsubara
Pregnancy-associated uterine artery pseudoaneurysm (UAP) usually requires transarterial embolization (TAE) irrespective of the presence/absence of current bleeding. Some UAP cases spontaneously resolve without TAE; however, such UAP is not well characterized. Here, we suggest that Pulse Wave Doppler may become an addition to predict its spontaneous resolution. A woman underwent 1st-trimester vaginal termination. Vaginal bleeding repeated and, 36 days later, an intrauterine low-echoic mass (24 mm) with swirling blood flow and arterial waveforms (Pulse Wave Doppler) and an enhanced intrauterine sac-like structure without current extravasation were observed, leading to the diagnosis of UAP...
2018: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29742984/maternal-serum-endocan-concentration-in-pregnancies-complicated-by-intrauterine-growth-restriction
#18
Agata Szpera-Gozdziewicz, Katarzyna Kosicka, Tomasz Gozdziewicz, Mariola Krzyscin, Przemyslaw Wirstlein, Anna Siemiatkowska, Franciszek Glowka, Ewa Wender-Ozegowska, Grzegorz H Breborowicz
OBJECTIVES: Endocan plays a role in the development of vascular tissue in health and disease and is an indicator of endothelial cells activation and angiogenesis. Therefore, this study aimed to investigate the relationship between maternal endocan serum level and intrauterine growth restriction (IUGR) as well as ultrasound Doppler flow measurements indicating placental insufficiency. METHODS: This study included a group of women with IUGR (n = 37) and a group of healthy pregnant women (controls, n = 37)...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29740835/factors-associated-to-early-intrauterine-fetal-demise-after-laser-for-ttts-by-pre-operative-fetal-heart-and-doppler-ultrasound
#19
Amélie Delabaere, France Leduc, Quentin Reboul, Florent Fuchs, Sandrine Wavrant, Johanne Dubé, Jean-Claude Fouron, François Audibert
OBJECTIVE: To determine the prognostic value of fetal Doppler and echocardiographic parameters for intra-uterine fetal demise (IUFD) within 24 hours and within one week after laser coagulation in monochorionic pregnancies complicated by twin-twin transfusion syndrome (TTTS). METHOD: This retrospective study correlated the preoperative hemodynamic and echocardiography parameters to the outcome in fetuses with TTTS undergoing laser therapy. RESULTS: One hundred and twelve laser coagulations were performed between February 2006 and June 2015...
May 9, 2018: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29730664/fetal-biometry-and-doppler-study-for-the-assessment-of-perinatal-outcome-in-stage-i-late-onset-fetal-growth-restriction
#20
Cecilia Villalaín, Ignacio Herraiz, María Soledad Quezada, Paula Isabel Gómez-Arriaga, Enery Gómez-Montes, Alberto Galindo
OBJECTIVE: To compare perinatal outcomes on fetuses classified as stage I late-onset fetal growth restriction (FGR) depending on the estimated fetal weight (EFW) centile category and the fetal and maternal Doppler study. MATERIAL AND METHODS: Retrospective cohort study on 131 cases of stage I late-onset FGR (diagnosis ≥32+0 weeks), defined as: EFW < 3rd centile and normal Doppler (G1) or EFW < 10th centile and mean uterine artery pulsatility index (PI) > 95th centile (G2) or EFW < 10th centile and mild fetal Doppler alteration: umbilical artery PI > 95th centile, middle cerebral artery PI < 5th centile, or cerebroplacental ratio < 5th centile (G3)...
May 4, 2018: Fetal Diagnosis and Therapy
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