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Placental cerebral index

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https://www.readbyqxmd.com/read/27873370/the-magnitude-of-change-in-the-fetal-cerebroplacental-ratio-in-the-third-trimester-and-the-risk-of-adverse-pregnancy-outcome
#1
Christopher Flatley, Ristan M Greer, Sailesh Kumar
OBJECTIVE: The primary aim of this study was to evaluate if the magnitude of change in the cerebro-placental ratio (CPR) after 30 weeks gestation was better predictive of adverse pregnancy outcome compared to a single measurement at 35-37 weeks. A secondary aim was to evaluate whether the utility of CPR measured at 35-37 weeks was enhanced after adjusting for the gestational change. METHODS: This was a retrospective cohort study of women who had had at least two ultrasound scans between 30-37 weeks gestation with the final scan taking place at 35-37 weeks...
November 22, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27515046/placental-insufficiency-among-high-risk-pregnancies-with-a-normal-umbilical-artery-resistance-index-after-32weeks
#2
Lut Geerts, Elrike Van der Merwe, Anneke Theron, Kerry Rademan
OBJECTIVE: To determine the incidence of abnormal multi-vessel Doppler values among advanced pregnancies at risk of suboptimal placentation but with a normal umbilical artery resistance index (RI), and to assess whether clinical and ultrasonography findings can identify them. METHODS: In a prospective cross-sectional study at Tygerberg Hospital, South Africa, women with high-risk pregnancies but normal umbilical artery RI after 32weeks underwent ultrasonography (fetal biometry, liquor, and placenta maturation) and Doppler assessment (uterine, umbilical, and middle cerebral arteries) between February 11 and October 21, 2013...
October 2016: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/27504944/assessment-of-ultrasound-and-doppler-parameters-in-the-third-trimester-of-pregnancy-as-predictors-of-adverse-perinatal-outcome-in-unselected-pregnancies
#3
Alberto Borges Peixoto, Taciana Mara Rodrigues da Cunha Caldas, Tácito Augusto Godoy Silva, Mário Sérgio Silva Gomes Caetano, Wellington P Martins, Eduardo Felix Martins Santana, Edward Araujo Júnior
OBJECTIVES: The aim of the study was to investigate ultrasound and Doppler parameters in the third trimester of pregnancy as possible predictors of adverse perinatal outcome in unselected pregnancies. MATERIAL AND METHODS: We performed a retrospective cross-sectional study including unselected pregnant women be-tween 27 and 36 + 6 weeks of gestation. The following ultrasound and Doppler parameters were assessed: estimated fetal weight (EFW) [g], EFW percentile, placental maturity grade (Grannum classification), single vertical deepest pocket (SVDP) of amniotic fluid [cm], amniotic fluid index (AFI) [cm], mean uterine artery (UtA) pulsatility index (PI), umbilical artery (UA) PI, middle cerebral artery (MCA) PI, MCA peak systolic velocity (PSV) [cm/s], and cerebroplacental ratio (CPR)...
2016: Ginekologia Polska
https://www.readbyqxmd.com/read/26962562/the-usefulness-of-fetal-doppler-evaluation-in-early-versus-late-onset-intrauterine-growth-restriction-review-of-the-literature
#4
REVIEW
Daniel Mureșan, Ioana Cristina Rotar, Florin Stamatian
Intrauterine growth restriction (IUGR) represents a serious condition that can lead to increased perinatal morbidity, mortality and postnatal impaired neurodevelopment. There are two distinct phenotypes of IUGR: early onset and late onset IUGR with different onset, patterns of evolution and fetal Doppler profile. In early onset preeclampsia the main Doppler modifications are at the level of umbilical artery, with progressive augmentation of the pulsatility index to absent or reverse end diastolic flow. The modifications of the cerebral, cardiac and ductus venosus circulation are generally present, but with different sequences...
March 2016: Medical Ultrasonography
https://www.readbyqxmd.com/read/26827880/sequential-plasma-angiogenic-factors-levels-in-women-with-suspected-preeclampsia
#5
Kedak Baltajian, Surichhya Bajracharya, Saira Salahuddin, Anders H Berg, Carl Geahchan, Julia B Wenger, Ravi Thadhani, S Ananth Karumanchi, Sarosh Rana
BACKGROUND: Alterations in circulating angiogenic factors are associated with the diagnosis of preeclampsia and correlate with adverse perinatal outcomes during the third trimester. OBJECTIVE: Analysis of the sequential levels of plasma angiogenic factors among patients admitted for evaluation of preeclampsia. STUDY DESIGN: We performed an observational study among women with singleton pregnancies admitted to Beth Israel Deaconess Medical Center, Boston, Massachusetts, for evaluation of preeclampsia at less than 37 weeks of gestation...
July 2016: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/26759989/early-functional-and-morphological-brain-disturbances-in-late-onset-intrauterine-growth-restriction
#6
Mirta Starčević, Maja Predojević, Dražan Butorac, Jasna Tumbri, Paško Konjevoda, Aida Salihagić Kadić
AIMS: To determine whether the brain disturbances develop in late-onset intrauterine growth restriction (IUGR) before blood flow redistribution towards the fetal brain (detected by Doppler measurements in the middle cerebral artery and umbilical artery). Further, to evaluate predictive values of Doppler arterial indices and umbilical cord blood gases and pH for early functional and/or morphological brain disturbances in late-onset IUGR. STUDY DESIGN: This cohort study included 60 singleton term pregnancies with placental insufficiency caused late-onset IUGR (IUGR occurring after 34 gestational weeks)...
February 2016: Early Human Development
https://www.readbyqxmd.com/read/26692775/effects-of-altitude-changes-on-doppler-flow-parameters-for-uterine-umbilical-and-mid-cerebral-arteries-in-term-pregnancy-a-pilot-study
#7
Ayşe Nur Aksoy, Gonca Batmaz, Banu Dane, Suna Kabil Kucur, İlay Gözükara
OBJECTIVE: We hypothesized that maternal and fetal circulations may be affected by moderately high altitudes. Therefore, we compared the differences in maternal and fetal Doppler flow parameters in women with term pregnancy living at a moderately high altitude (1890 m in Erzurum) with those of women living at the sea level (31 m in İstanbul). MATERIAL AND METHODS: Eighty women (n=40, for each group) with full-term and singleton pregnancies underwent Doppler waveform analysis, and the pulsatility and resistance index values for the uterine, umbilical, and mid-cerebral arteries were recorded...
2015: Journal of the Turkish German Gynecological Association
https://www.readbyqxmd.com/read/26475425/the-hemodynamics-of-late-onset-intrauterine-growth-restriction-by-mri
#8
COMPARATIVE STUDY
Meng Yuan Zhu, Natasha Milligan, Sarah Keating, Rory Windrim, Johannes Keunen, Varsha Thakur, Annika Ohman, Sharon Portnoy, John G Sled, Edmond Kelly, Shi-Joon Yoo, Lars Gross-Wortmann, Edgar Jaeggi, Christopher K Macgowan, John C Kingdom, Mike Seed
BACKGROUND: Late-onset intrauterine growth restriction (IUGR) results from a failure of the placenta to supply adequate nutrients and oxygen to the rapidly growing late-gestation fetus. Limitations in current monitoring methods present the need for additional techniques for more accurate diagnosis of IUGR in utero. New magnetic resonance imaging (MRI) technology now provides a noninvasive technique for fetal hemodynamic assessment, which could provide additional information over conventional Doppler methods...
March 2016: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/26224608/biophysical-and-biochemical-markers-at-35-37-weeks-gestation-in-the-prediction-of-adverse-perinatal-outcome
#9
N Valiño, G Giunta, D M Gallo, R Akolekar, K H Nicolaides
OBJECTIVE: To investigate the potential value of biophysical and biochemical markers at 35-37 weeks' gestation in the prediction of adverse perinatal outcome. METHODS: This was a screening study in 3953 singleton pregnancies at 35-37 weeks' gestation. Estimated fetal weight (EFW), uterine artery pulsatility index (UtA-PI), umbilical artery (UA)-PI, fetal middle cerebral artery (MCA)-PI, mean arterial pressure (MAP), serum placental growth factor (PlGF) and soluble fms-like tyrosine kinase-1 (sFlt-1) were measured...
February 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/26153118/prominent-coronary-artery-flow-with-normal-coronary-artery-anatomy-is-a-rare-but-ominous-harbinger-of-poor-outcome-in-the-fetus
#10
Yen K Bui, Lisa W Howley, Steven E Ambrose, Henry L Galan, Timothy M Crombleholme, Julia Drose, John Bokowski, Bettina F Cuneo
OBJECTIVES: "Heart sparing" refers to prominent antegrade fetal coronary artery (CA) blood flow readily visualized by color Doppler and is a harbinger of poor outcome in growth restricted fetus, but little is known of the features and presentation of heart sparing in normally grown fetuses. Our objective was to describe heart sparing effects in normally grown fetuses, and compare the presentation and outcome of heart sparing between fetuses with growth restriction and those who were normally grown...
2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/26113288/increased-umbilical-artery-pulsatility-index-in-third-trimester-fetuses-with-trisomy-21
#11
Philipp Wagner, Jiri Sonek, Markus Hoopmann, Harald Abele, Sara Brucker, Karl Oliver Kagan
OBJECTIVE: To examine the umbilical arterial Doppler flow patterns in late third-trimester fetuses with trisomy 21. METHODS: This is a retrospective study on fetuses with trisomy 21 that were evaluated after 33 weeks' gestation at the Department of Obstetrics and Gynaecology of the University of Tuebingen, Germany. The umbilical and the middle cerebral artery (UA and ACM) pulsatility index (PI) measurements and the abdominal circumference were transformed into z-values...
2016: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/26104640/the-role-of-maternal-fetal-doppler-in-pre-eclampsia
#12
Johanes C Mose
Pre-eclampsia is associated with significant maternal and fetal morbidity and mortality worldwide. Pregnancy complicated by preeclampsia and/or by fetal growth restriction are reported to have inadequate maternal vascular responses to placentation. This defective vascular response was due to the failure of second wave of endovascular trophoblast migration leading to both a reduced amount and depth of trophoblast invasion of myometrium followed by the development of placental hypoxia and ischemia that can be measured biophysically by means of Doppler Ultrasound...
July 2014: Pregnancy Hypertension
https://www.readbyqxmd.com/read/26094952/biophysical-and-biochemical-markers-at-30-34-weeks-gestation-in-the-prediction-of-adverse-perinatal-outcome
#13
N Valiño, G Giunta, D M Gallo, R Akolekar, K H Nicolaides
OBJECTIVE: To investigate the potential value of biophysical and biochemical markers at 30-34 weeks' gestation in the prediction of adverse perinatal outcome. METHODS: This was a screening study in 8268 singleton pregnancies at 30-34 weeks' gestation. Estimated fetal weight (EFW), uterine artery (UtA) pulsatility index (PI), umbilical artery (UA) PI, fetal middle cerebral artery (MCA) PI, mean arterial pressure (MAP), serum placental growth factor (PlGF) and soluble fms-like tyrosine kinase-1 (sFlt-1) were measured...
February 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/26053596/mid-gestation-brain-doppler-and-head-biometry-in-fetuses-with-congenital-heart-disease-predict-abnormal-brain-development-at-birth
#14
N Masoller, M Sanz-CortéS, F Crispi, O Gómez, M Bennasar, G Egaña-Ugrinovic, N Bargalló, J M Martínez, E Gratacós
OBJECTIVES: Fetuses with congenital heart disease (CHD) show evidence of abnormal brain development before birth, which is thought to contribute to adverse neurodevelopment during childhood. Our aim was to evaluate whether brain development in late pregnancy can be predicted by fetal brain Doppler, head biometry and the clinical form of CHD at the time of diagnosis. METHODS: This was a prospective cohort study including 58 fetuses with CHD, diagnosed at 20-24 weeks' gestation, and 58 normal control fetuses...
January 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/25974407/disproportionate-fetal-growth-and-the-risk-for-congenital-cerebral-palsy-in-singleton-births
#15
Elani Streja, Jessica E Miller, Chunsen Wu, Bodil H Bech, Lars Henning Pedersen, Diana E Schendel, Peter Uldall, Jørn Olsen
OBJECTIVE: To investigate the association between proportionality of fetal and placental growth measured at birth and the risk for congenital cerebral palsy (CP). STUDY DESIGN: We identified all live-born singletons born in Denmark between 1995 and 2003 and followed them from 1 year of age until December 31st, 2008. Information on four indices of fetal growth: ponderal index, head circumference/ abdominal circumference ratio, cephalization index and birth weight/ placenta weight ratio was collected...
2015: PloS One
https://www.readbyqxmd.com/read/25917436/computerized-fetal-heart-rate-analysis-in-the-prediction-of-myocardial-damage-in-pregnancies-with-placental-insufficiency
#16
Mariane de Fátima Y Maeda, Roseli M Y Nomura, Juliana I Niigaki, Rossana P V Francisco, Marcelo Zugaib
OBJECTIVE: To evaluate the reliability of fetal heart rate (FHR) parameters analyzed by computerized cardiotocography (cCTG) in predicting myocardial damage in pregnancies with placental insufficiency. STUDY DESIGN: We evaluated 38 patients with placental insufficiency detected before 34 weeks of gestation. All patients underwent 30 min of cCTG (Sonicaid Fetal Care, version 2.2) and Doppler of umbilical artery, middle cerebral artery, and ductus venosus. Umbilical vein blood samples were collected at birth to determine fetal cardiac Troponin T, and a ≥0...
July 2015: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/25832854/acute-presentation-of-gestational-diabetes-insipidus-with-pre-eclampsia-complicated-by-cerebral-vasoconstriction-a-case-report-and-review-of-the-published-work
#17
Amir Mor, Yael Fuchs, Kathleen Zafra, Shoshana Haberman, Reshef Tal
Gestational diabetes insipidus (GDI) is a rare, self-limited complication of pregnancy. As it is related to excess placental vasopressinase enzyme activity, which is metabolized in the liver, GDI is more common in pregnancies complicated by conditions associated with liver dysfunction. We present a case of a 41-year-old woman at 38 weeks' gestation who presented with pre-eclampsia with severe features, including impaired liver function and renal insufficiency. Following cesarean section she was diagnosed with GDI, which was further complicated by cerebral vasoconstriction as demonstrated by magnetic resonance angiography...
August 2015: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/25716415/comparing-the-effects-of-antenatal-betamethasone-on-doppler-velocimetry-between-intrauterine-growth-restriction-with-and-without-preeclampsia
#18
MULTICENTER STUDY
Kobra Shojaei, Nooshin Mohammadi
Evaluation of the effects of betamethasone on patients with intrauterine growth restriction in couple with preeclampsia is not well studied. This study was designed to assess and compare the changes of Doppler flow in maternal, fetal and placental arteries in singleton pregnancies complicated by IUGR and preeclampsia which are at 24-34 weeks of gestation after betamethasone therapy. This prospective, longitudinal and multicenter study was conducted in 2013 on the 40 singleton pregnant women with IUGR fetuses and concerned over maternal or fetal well-being...
January 13, 2015: Global Journal of Health Science
https://www.readbyqxmd.com/read/25688304/effects-of-yoga-on-utero-fetal-placental-circulation-in-high-risk-pregnancy-a-randomized-controlled-trial
#19
Abbas Rakhshani, Raghuram Nagarathna, Rita Mhaskar, Arun Mhaskar, Annamma Thomas, Sulochana Gunasheela
Introduction. Impaired placentation and inadequate trophoblast invasion have been associated with the etiology of many pregnancy complications and have been correlated with the first trimester uterine artery resistance. Previous studies have shown the benefits of yoga in improving pregnancy outcomes and those of yogic visualization in revitalizing the human tissues. Methods. 59 high-risk pregnant women were randomized into yoga (n = 27) and control (n = 32) groups. The yoga group received standard care plus yoga sessions (1 hour/day, 3 times/week), from 12th to 28th week of gestation...
2015: Advances in Preventive Medicine
https://www.readbyqxmd.com/read/25447961/the-association-between-fetal-doppler-and-admission-to-neonatal-unit-at-term
#20
Asma A Khalil, José Morales-Rosello, Malaz Elsaddig, Naila Khan, Aris Papageorghiou, Amar Bhide, Basky Thilaganathan
OBJECTIVE: Fetal cerebroplacental ratio is emerging as a better proxy than birthweight for placental insufficiency and as a marker of fetal compromise at term. The extent to which these fetal Doppler changes are related to neonatal outcomes has not been systematically assessed. The main aim of this study was to evaluate the association between estimated fetal weight percentile, cerebroplacental ratio recorded at 34(+0)-35(+6) weeks' gestation, and neonatal unit admission at term. STUDY DESIGN: This was a retrospective cohort study in a tertiary referral center over an 11 year period from 2002 to 2012...
July 2015: American Journal of Obstetrics and Gynecology
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