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Fetal ultrasound

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https://www.readbyqxmd.com/read/28635180/renal-vascularization-indexes-and-fetal-hemodynamics-in-fetuses-with-growth-restriction
#1
Giovana Farina Doro, Janaína Campos Senra, Agatha Sacramento Rodrigues, Seizo Miyadahira, Renata Lopes Ribeiro, Rossana Pulcinelli Vieira, Lisandra Stein Bernardes
OBJECTIVE: To identify the correlation between the renal vascularization index (VI), the flow index (FI) and the vascularization and flow index (VFI) and placental and fetal hemodynamics in fetuses with growth restriction. METHOD: Bidimensional ultrasound and three-dimensional power Doppler with the VOCAL technique were used to determine the renal vascular indexes and fetal and placental hemodynamics in fetuses below the 10(th) percentile for fetal weight. Partial correlation analysis (controlled for renal depth and gestational age) was performed...
June 20, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28634788/consistent-reconstruction-of-4d-fetal-heart-ultrasound-images-to-cope-with-fetal-motion
#2
Christine Tanner, Barbara Flach, Céline Eggenberger, Oliver Mattausch, Michael Bajka, Orcun Goksel
PURPOSE: 4D ultrasound imaging of the fetal heart relies on reconstructions from B-mode images. In the presence of fetal motion, current approaches suffer from artifacts, which are unrecoverable for single sweeps. METHODS: We propose to use many sweeps and exploit the resulting redundancy to automatically recover from motion by reconstructing a 4D image which is consistent in phase, space, and time. An interactive visualization framework to view animated ultrasound slices from 4D reconstructions on arbitrary planes was developed using a magnetically tracked mock probe...
June 20, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28631075/measurement-and-evaluation-of-fetal-fat-layer-in-the-prediction-of-fetal-macrosomia-in-pregnancies-complicated-by-gestational-diabetes
#3
Mohamed Elessawy, Christina Harders, Helmut Kleinwechter, Norbert Demandt, Ghada Abu Sheasha, Nicolai Maass, Ulrich Pecks, Christel Eckmann-Scholz
OBJECTIVES: To explore the predictive power of measuring the abdominal fetal fat layer (FFL) as a soft tissue marker at 31, 34, and 37 weeks' gestation to improve the detection of fetal macrosomia in pregnant women with GDM, in addition to the biometric values with close monitoring of maternal blood sugar level and BMI changes. METHODS: We conducted a prospective observational study at the Department of Obstetrics, University Hospitals, Campus Kiel, Germany, in collaboration with diabetic clinic staff...
June 19, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28631022/risk-analysis-and-outcomes-of-bronchopulmonary-sequestrations
#4
Chun Hong, Gang Yu, Jing Tang, QianLi Liu, Bo Xia
BACKGROUND: Researched and discussed the risks and outcomes of bronchopulmonary sequestrations, especially the intralobar type. METHODS: A retrospective review of our experiences with bronchopulmonary sequestrations from January 2012 to April 2015 is reported. The present study researched and discusses the risks and outcomes of bronchopulmonary sequestrations, especially the intralobar type, compared with other types of bronchopulmonary sequestrations in symptoms, surgery, pathology, and excretion...
June 19, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28630397/fetal-hypotrophy-is-an-important-marker-in-diagnosis-of-preeclampsia-in-pregnant-patients-after-solid-organ-transplantation
#5
Anna Cyganek, Bronisława Pietrzak, Filip A Dąbrowski, Zoulikha Jabiry-Zieniewicz, Marcin Chlebus, Mirosław Wielgos, Barbara Grzechocińska
BACKGROUND The purpose of this study was to use a multidisciplinary approach to define the importance of fetal growth disturbances in pregnant patients after renal or liver transplantation in diagnosis and treatment of preeclampsia. MATERIAL AND METHODS We assessed 108 pregnancies in patients with renal or liver transplants. Statistical analysis included Pearson's chi-square test and Fisher's exact test. RESULTS In the renal transplant (RTR) group, preeclampsia was diagnosed in 40% according to ISSHP. In the liver transplant (LTR) group, ISSHP guidelines allow this diagnose in 14...
June 20, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28629568/repeatability-of-estimated-fetal-weight-comparison-between-mr-imaging-versus-2d-ultrasound-in-at-and-near-term-patients
#6
Caroline Kadji, Margaux F Camus, Elisa Bevilacqua, Mieke M Cannie, Teresa Cos Sanchez, Jacques C Jani
INTRODUCTION: Our aim was to evaluate the intra- and inter-observer variability and the impact of operator experience on the estimation of fetal weight (EFW) as measured by 2-dimensional ultrasound (2D-US) and magnetic resonance (MR) imaging. MATERIAL AND METHODS: We estimated fetal weight in 46 singleton pregnancies at 35.6-41.4 weeks gestation using 2D-US according to the Hadlock formula and using MR imaging according to the equation developed by Baker. Each examination was performed twice, once by an inexperienced operator and once by an experienced operator...
June 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28629247/obstetric-practice-patterns-in-pregnancies-complicated-by-fetal-trisomy-13-or-18
#7
Sarah K Dotters-Katz, Marcela C Smid, Cora Mcelwain, Jeffrey A Kuller, Jay Schulkin
PURPOSE: Describe practice patterns among obstetrician/gynecologists (OB/GYNs) when caring for women with pregnancy complicated by fetal trisomy 13(T13) or 18(T18), and compare these between maternal-fetal-medicine (MFM) and non-MFM providers. MATERIALS AND METHODS: We conducted an electronic survey using the American College of Obstetricians and Gynecologists database. Using simple statistics, we describe demographics and practice patterns among respondents, and compare those of MFM practitioners with non-MFM providers...
June 19, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28626857/fetal-intracranial-hemorrhage-role-of-fetal-mri
#8
Laura Sanapo, Matthew T Whitehead, Dorothy I Bulas, Homa K Ahmadzia, Lindsay Pesacreta, Taeun Chang, Adre du Plessis
OBJECTIVE: To date, prenatal diagnosis of intracranial hemorrhage (ICH) is mainly based on ultrasound (US) findings rather than magnetic resonance imaging (MRI). We aimed to: investigate the role of MRI in the diagnosis of fetal ICH among pregnancies referred to fetal MRI and to characterize the topography of fetal ICH using MRI. METHODS: We retrospectively identified fetal ICH cases diagnosed by MRI from 2008-2015, and reviewed their prenatal and postnatal medical records...
June 19, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28623846/sonocad-a-software-to-solve-the-dilemma-of-the-prenatal-diagnosis-of-fetal-syndromes
#9
Mahmoud Abdelnaby, Abdulmeneam Fawzi, Manal Swelem, Hisham Elgammal, Hamdy Elgammal
OBJECTIVE: The aim of this work is to develop an efficient, user friendly, time saving computer software program specified with prenatal diagnosis, based solely on ultrasound findings provided by the sonographer. MATERIALS AND METHOD: SonoCAD (Sonographyic Computer Assisted Diagnosis) program was developed in 4 phases. Phase I, data gathering phase. Phase II the software development phase in which the source code of the software was developed. Phase III, system testing phase, was divided into 2 steps...
June 17, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28623277/in-vivo-quantification-of-placental-insufficiency-by-bold-mri-a-human-study
#10
Jie Luo, Esra Abaci Turk, Carolina Bibbo, Borjan Gagoski, Drucilla J Roberts, Mark Vangel, Clare M Tempany-Afdhal, Carol Barnewolt, Judy Estroff, Arvind Palanisamy, William H Barth, Chloe Zera, Norberto Malpica, Polina Golland, Elfar Adalsteinsson, Julian N Robinson, Patricia Ellen Grant
Fetal health is critically dependent on placental function, especially placental transport of oxygen from mother to fetus. When fetal growth is compromised, placental insufficiency must be distinguished from modest genetic growth potential. If placental insufficiency is present, the physician must trade off the risk of prolonged fetal exposure to placental insufficiency against the risks of preterm delivery. Current ultrasound methods to evaluate the placenta are indirect and insensitive. We propose to use Blood-Oxygenation-Level-Dependent (BOLD) MRI with maternal hyperoxia to quantitatively assess mismatch in placental function in seven monozygotic twin pairs naturally matched for genetic growth potential...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28622418/severe-apparently-isolated-fetal-ventriculomegaly-and-neurodevelopmental-outcome
#11
Mathilde Letouzey, Alexandra Chadie, Marie Brasseur-Daudruy, François Proust, Eric Verspyck, Pascal Boileau, Stéphane Marret
OBJECTIVE: To assess the neurodevelopmental outcome of children with a prenatal diagnosis of apparently isolated severe ventriculomegaly (SVM). METHOD: Retrospective cohort study from 1994 to 2011. We included fetuses with unilateral or bilateral ventriculomegaly equal to or greater than 15 mm at prenatal ultrasound and confirmed by Magnetic Resonance Imaging, whose parents chose continuation of pregnancy past 22 weeks, and with no associated findings at diagnosis (i...
June 16, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28619771/revealed-versus-concealed-criteria-for-placental-insufficiency-in-an-unselected-obstetric-population-in-late-pregnancy-ratio37-randomised-controlled-trial-study-protocol
#12
Francesc Figueras, Eduard Gratacos, Marta Rial, Ilan Gull, Ladislav Krofta, Marek Lubusky, Cruz-Martinez Rogelio, Cruz-Lemini Mónica, Martinez-Rodriguez Miguel, Pamela Socias, Cristina Aleuanlli, Mauro C Parra Cordero
INTRODUCTION: Fetal growth restriction (FGR) affects 5%-10% of all pregnancies, contributing to 30%-50% of stillbirths. Unfortunately, growth restriction often is not detected antenatally. The last weeks of pregnancy are critical for preventing stillbirth among babies with FGR because there is a pronounced increase in stillbirths among growth-restricted fetuses after 37 weeks of pregnancy. Here we present a protocol (V.1, 23 May 2016) for the RATIO37 trial, which evaluates an integrated strategy for accurately selecting at-risk fetuses for delivery at term...
June 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/28619691/a-mouse-model-of-antepartum-stillbirth
#13
Anum Rahman, Lindsay S Cahill, Yu-Qing Zhou, Johnathan Hoggarth, Monique Y Rennie, Mike Seed, Christopher K Macgowan, John C Kingdom, S Lee Adamson, John G Sled
BACKGROUND: Many stillbirths of normally-formed fetuses in the third trimester could be prevented via delivery if reliable means to anticipate this outcome existed. However, since the etiology of these stillbirths is often unexplained and, although the underlying mechanism is presumed to be hypoxia from "placental insufficiency", the placentas often appear normal on histopathologic examination. Gestational age is a risk factor for antepartum stillbirth, with a rapid rise in stillbirth rates after 40 weeks gestation...
June 12, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28619624/fetal-stem-cell-and-gene-therapy
#14
REVIEW
Russell Witt, Tippi C MacKenzie, William H Peranteau
Advances in our understanding of stem cells, gene editing, prenatal imaging and fetal interventions have opened up new opportunities for the treatment of congenital diseases either through in-utero stem cell transplantation or in-utero gene therapy. Improvements in ultrasound-guided access to the fetal vasculature have also enhanced the safety and efficacy of cell delivery. The fetal environment offers accessible stem cell niches, localized cell populations with large proliferative potential, and an immune system that is able to acquire donor-specific tolerance...
June 12, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28618098/pre-labor-fetal-cardiac-function-and-its-relationship-with-intrapartum-fetal-compromise-and-neonatal-status-at-term
#15
Amal A Alsolai, Larissa N Bligh, Ristan M Greer, Sailesh Kumar
OBJECTIVES: To prospectively investigate the relationship between fetal cardiac function and Doppler parameters with intrapartum fetal compromise (IFC) in term appropriately grown fetuses prior to labour. Secondary outcomes were to correlate prenatal cardiac function with neonatal acid base status, intrapartum fetal heart rate abnormalities adverse neonatal outcomes. METHODS: This was a blinded, prospective, observational, cohort study, at the Mater Mother's Hospital, Brisbane, Australia...
June 15, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28617151/lithium-exposure-during-pregnancy-outcomes-for-women-who-attended-a-specialist-antenatal-clinic
#16
Jacqueline Frayne, Thinh Nguyen, Tabitha Mok, Yvonne Hauck, Helena Liira
INTRODUCTION: Lithium treatment in pregnancy represents a significant dilemma for women and treating health professionals alike. The complexity of risk-benefit analysis is impacted by limited information. METHODS: A cohort study of 33 women with severe mental illness, who were prescribed lithium at any time during the pregnancy, and gave birth between December 2007 and January 2015 at a specialist antenatal clinic in Western Australia. A descriptive comparison for women who continued lithium throughout pregnancy, and those who ceased on discovery of pregnancy was undertaken examining demographic, obstetric, neonatal and psychiatric variables...
June 15, 2017: Journal of Psychosomatic Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28614975/prenatal-diagnosis-of-fetal-right-and-left-congenital-ventricular-aneurysms
#17
Mamatha Gowda, Shree Bharathi, Monica Thiagarajan, Tripti Aneja
Congenital ventricular aneurysm is a rare cardiac malformation characterized by protrusion or out-pouching of a portion of the ventricular wall. The aneurysm usually has a broad based communication with the ventricular cavity and has to be differentiated from a diverticulum. Herein described are two such cases of left and right ventricular aneurysm each, diagnosed on prenatal ultrasound at 38 and 36 weeks of gestation respectively.
June 14, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28614833/use-of-the-myocardial-performance-index-in-decreased-fetal-movement-assessment-a-case-control-study
#18
Daphne Ho, Jingjing Wang, Yvette Homann, Jennifer Alphonse, Geraldene Beirne, Alec W Welsh, Amanda Henry
OBJECTIVES: To determine whether there are any fetal cardiac function changes, as measured by the myocardial performance index (MPI), in pregnancies complicated by decreased fetal movement (DFM). METHODS: We performed a prospective cross-sectional case-control study of 50 DFM and 50 uncomplicated third-trimester pregnancies matched within 2 gestational weeks. Routine ultrasound growth and well-being parameters as well as MPI were measured. Average MPI measurements and its component values were compared between the DFM and the control group, as were demographics, other ultrasound data, and perinatal outcomes...
June 15, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28613398/fetal-and-umbilical-doppler-ultrasound-in-high-risk-pregnancies
#19
REVIEW
Zarko Alfirevic, Tamara Stampalija, Therese Dowswell
BACKGROUND: Abnormal blood flow patterns in fetal circulation detected by Doppler ultrasound may indicate poor fetal prognosis. It is also possible that false positive Doppler ultrasound findings could lead to adverse outcomes from unnecessary interventions, including preterm delivery. OBJECTIVES: The objective of this review was to assess the effects of Doppler ultrasound used to assess fetal well-being in high-risk pregnancies on obstetric care and fetal outcomes...
June 13, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28612638/should-isolated-fetal-ventriculomegaly-measured-below-12%C3%A2-mm-be-viewed-as-a-variant-of-the-norm-results-of-a-5-year-experience-in-a-prenatal-referral-center
#20
Anaïs Lavongtheung, Guillaume Jedraszak, Philippe Naepels, Pierre Tourneux, Catherine Gondry-Jouet, Anne-Gaëlle L E Moing, Jean Gondry, Julien Chevreau
BACKGROUND: Fetal ventriculomegaly (VM) is defined as lateral ventricles measured above 10 mm. Some authors believe VM < 12 mm are variants of the norm and needn't be addressed for referral ultrasound. METHODS: A retrospective continuous cohort study of 127 confirmed fetal VM was divided in 3 groups after initial referral sonographic assessment: isolated VM < 12 mm (group A), isolated VM ≥ 12 mm (group B), and VM associated with other malformations (group C)...
June 14, 2017: Journal of Maternal-fetal & Neonatal Medicine
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