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"Growth restriction"

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https://www.readbyqxmd.com/read/28101536/host-range-restriction-of-insect-specific-flaviviruses-occurs-at-several-levels-of-the-viral-life-cycle
#1
Sandra Junglen, Marvin Korries, Wolfgang Grasse, Janett Wieseler, Anne Kopp, Kyra Hermanns, Moises León-Juárez, Christian Drosten, Beate Mareike Kümmerer
The genus Flavivirus contains emerging arthropod-borne viruses (arboviruses) infecting vertebrates, as well as insect-specific viruses (ISVs) (i.e., viruses whose host range is restricted to insects). ISVs are evolutionary precursors to arboviruses. Knowledge of the nature of the ISV infection block in vertebrates could identify functions necessary for the expansion of the host range toward vertebrates. Mapping of host restrictions by complementation of ISV and arbovirus genome functions could generate knowledge critical to predicting arbovirus emergence...
January 2017: MSphere
https://www.readbyqxmd.com/read/28099426/fetal-origins-of-adult-cardiac-disease-a-novel-approach-to-prevent-fetal-growth-restriction-induced-cardiac-dysfunction-using-insulin-like-growth-factor
#2
Tarek Alsaied, Khaled Omar, Jeanne F James, Robert B Hinton, Timothy M Crombleholme, Mounira Habli
BACKGROUND: Fetal growth restriction is a risk factor for adult cardiovascular disease. Intra-placental gene transfer of human insulin-like growth factor-1 corrects birth weight in our mouse model of fetal growth restriction. This study addresses long term effects of fetal growth restriction on cardiac function and the potential preventive effect of insulin-like growth factor-1. STUDY DESIGN: Laparotomy was performed on pregnant C57BL/6J mice at embryonic day 18 and pups were divided into 3 groups: Sham operated; fetal growth restriction (induced by mesenteric uterine artery ligation); treatment (intra-placental injection of insulin-like growth factor-1 after uterine artery ligation)...
January 18, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28097445/pregnancy-outcomes-in-hiv-positive-women-a-retrospective-cohort-study
#3
Kholoud Arab, Andrea R Spence, Nicholas Czuzoj-Shulman, Haim A Abenhaim
PURPOSE: In the United States, an estimated 8500 HIV (human immunodeficiency virus) positive women gave birth in 2014. This rate appears to be increasing annually. Our objective is to examine obstetrical outcomes of pregnancy among HIV-positive women. METHODS: A population-based cohort study was conducted using the Nationwide Inpatient Sample database (2003-2011) from the United States. Pregnant HIV-positive women were identified and compared to pregnant women without HIV...
January 17, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28093414/fetal-growth-restriction-and-long-term-cardiovascular-risk-is-it-time-to-get-with-the-program
#4
EDITORIAL
David M Harrild, Gerald R Marx
No abstract text is available yet for this article.
January 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28093413/persistence-of-cardiac-remodeling-in-preadolescents-with-fetal-growth-restriction
#5
Sebastian Imre Sarvari, Merida Rodriguez-Lopez, Marta Nuñez-Garcia, Marta Sitges, Alvaro Sepulveda-Martinez, Oscar Camara, Constantine Butakoff, Eduard Gratacos, Bart Bijnens, Fatima Crispi
BACKGROUND: Fetal growth restriction (FGR) affects 5% to 10% of newborns and is associated with increased cardiovascular mortality in adulthood. We evaluated whether prenatal cardiovascular changes previously demonstrated in FGR persist into preadolescence. METHODS AND RESULTS: A cohort study of 58 FGR (defined as birth weight below 10th centile) and 94 normally grown fetuses identified in utero and followed-up into preadolescence (8-12 years of age) by echocardiography and 3-dimensional shape computational analysis...
January 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28090634/dietary-interventions-for-fetal-growth-restriction-therapeutic-potential-of-dietary-nitrate-supplementation-in-pregnancy
#6
Elizabeth Cottrell, Teresa Tropea, Laura Ormesher, Susan Greenwood, Mark Wareing, Edward Johnstone, Jenny Myers, Colin Sibley
Fetal growth restriction (FGR) affects around 5% of pregnancies and is associated with significant short- and long-term adverse outcomes. A number of factors can increase the risk of FGR, one of which is poor maternal diet. In terms of pathology, both clinically and in many experimental models of FGR, impaired uteroplacental vascular function is implicated, leading to a reduction in the delivery of oxygen and nutrients to the developing fetus. Whilst mechanisms underpinning impaired uteroplacental vascular function are not fully understood, interventions aimed at enhancing nitric oxide (NO) bioavailability remain a key area of interest in obstetric research...
January 16, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28087423/is-middle-cerebral-artery-doppler-related-to-neonatal-and-2-year-infant-outcome-in-early-fetal-growth-restriction
#7
Tamara Stampalija, Birgit Arabin, Hans Wolf, Caterina M Bilardo, Christoph Lees
BACKGROUND: Reduced fetal middle cerebral artery Doppler impedance is associated with hypoxemia in fetal growth restriction. It remains unclear as to whether this finding could be useful in timing delivery especially in third trimester. In this regard there is a paucity of evidence from prospective studies. OBJECTIVES: The aim of this study was to determine whether there is an association between middle cerebral artery Doppler impedance and its ratio with the umbilical artery in relation to neonatal and 2-year infant outcome in early fetal growth restriction (26(+0)-31(+6) weeks of gestation)...
January 10, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28087231/psychosocial-outcome-in-adult-men-born-with-hypospadias
#8
L Örtqvist, M Andersson, A Strandqvist, A Nordenström, L Frisén, G Holmdahl, A Nordenskjöld
INTRODUCTION: Hypospadias, which is a surgically treated congenital malformation of the male urethra, may have a negative impact on quality of life. This aspect has previously been subject to limited research. This study examined the long-term psychosocial outcome of a large cohort of adult males born with hypospadias. OBJECTIVE: The purpose of this case-control study was to assess a possible negative influence on the psychosocial outcome in adult males with hypospadias...
September 9, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28087122/human-trophoblast-stem-cells-real-or-not-real
#9
Ching-Wen Chang, Mana M Parast
Abnormal trophoblast differentiation is the root cause of many placenta-based pregnancy complications, including preeclampsia and fetal growth restriction. Human trophoblast differentiation is difficult to study due to the lack of a stem cell model. Such a multipotent "trophoblast stem" (TS) cell, with the ability to differentiate into all trophoblast subtypes, has been derived from mouse blastocysts, but attempts to derive similar human cells have failed. We consider here several possibilities for the TS cell niche in the human placenta...
January 5, 2017: Placenta
https://www.readbyqxmd.com/read/28079409/promoting-awareness-of-neonatal-menstruation
#10
Paola Bianchi, Giuseppe Benagiano, Ivo Brosens
Neonatal uterine bleeding (NUB) has been carefully studied in the past through case reports, small series, clinical cohort studies, pathology investigations of fetal and neonatal. Following a historical recount, this review summarizes biological mechanisms conditioning NUB, starting from the persistence till birth of an 'ontogenetic progesterone resistance' (OPR), causing decreased responsiveness of target tissues to bioavailable progesterone. Several pregnancy-related conditions, such as preeclampsia, fetal growth restriction, prematurity, post-maturity and even Rhesus or ABO incompatibility, influence the occurrence of NUB...
January 12, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28076856/mri-differences-associated-with-intrauterine-growth-restriction-in-preterm-infants
#11
Christie J Bruno, Shreyans Bengani, William A Gomes, Mariana Brewer, Melissa Vega, Xianhong Xie, Mimi Kim, Mamta Fuloria
BACKGROUND: Preterm infants are at risk for neurodevelopmental impairment. Intrauterine growth restriction (IUGR) further increases this risk. Brain imaging studies are often utilized at or near term-equivalent age to determine later prognosis. OBJECTIVE: To evaluate the association between intrauterine growth and regional brain volume on MRI scans performed in preterm infants at or near term-equivalent age. METHODS: This is a retrospective case-control study of 24 infants born at gestational age ≤30 weeks and cared for in a large, inner-city, academic neonatal intensive-care unit from 2012 to 2013...
January 11, 2017: Neonatology
https://www.readbyqxmd.com/read/28069900/impact-of-donor-and-recipient-adiposity-on-feto-placental-growth-in-adolescent-sheep
#12
Jacqueline M Wallace, John S Milne, Clare L Adam, Raymond P Aitken
The influence of maternal obesity during oocyte development and its putative interaction with nutrient reserves at conception on pregnancy outcome were examined in an adolescent sheep model. Donor ewes were nutritionally managed to achieve contrasting adiposity (control [CD]/obese [ObD]) for 6 weeks prior to superovulation, and inseminated by a non-obese sire. Morulae from 6 CD and 7 ObD were transferred in singleton into adolescent recipients of identical age but differing adiposity, classified as relatively fat or thin, respectively...
January 9, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28068596/evaluation-of-the-effectiveness-of-low-dose-aspirin-and-omega-3-in-treatment-of-asymmetrically-intrauterine-growth-restriction-a-randomized-clinical-trial
#13
Mohammed K Ali, Maggy E Amin, Ahmed F Amin, Diaa Eldeen M Abd El Aal
OBJECTIVE: To test the effect of aspirin and omega 3 on fetal weight as well as feto-maternal blood flow in asymmetrical intrauterine growth restriction (IUGR). STUDY DESIGN: This study is a clinically registered (NCT02696577), open, parallel, randomized controlled trial, conducted at Assiut Woman's Health Hospital, Egypt including 80 pregnant women (28-30 weeks) with IUGR. They were randomized either to group I: aspirin or group II: aspirin plus omega 3. The primary outcome was the fetal weight after 6 weeks of treatment...
January 3, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28067163/hbv-coinfection-is-associated-with-reduced-cd4-response-to-antiretroviral-treatment-in-pregnancy
#14
Marco Floridia, Giulia Masuelli, Enrica Tamburrini, Arsenio Spinillo, Giuliana Simonazzi, Giovanni Guaraldi, Anna Maria Degli Antoni, Pasquale Martinelli, Vincenzo Portelli, Serena Dalzero, Marina Ravizza
OBJECTIVE: To evaluate the impact of Hepatitis B virus (HBV) coinfection on response to antiretroviral treatment in pregnant women with HIV. METHODS: Retrospective analysis of a large case series of pregnant women with HIV in Italy; outcome measures were CD4 changes, HIV viral load, and main pregnancy outcomes (preterm delivery, low birthweight, intrauterine growth restriction, mode of delivery, and major birth defects). RESULTS: Rate of HBV coinfection among 1462 pregnancies was 12...
January 9, 2017: HIV Clinical Trials
https://www.readbyqxmd.com/read/28065816/development-of-customized-fetal-growth-charts-in-twins
#15
Tullio Ghi, Federico Prefumo, Anna Fichera, Mariano Lanna, Enrico Periti, Nicola Persico, Elsa Viora, Giuseppe Rizzo
BACKGROUND: Twin gestations are at significantly higher risk of fetal growth restriction in comparison with singletons. Using fetal biometric charts customized for obstetrical and parental characteristics may facilitate accurate assessment of fetal growth. OBJECTIVE(S): To construct reference charts for gestation of fetal biometric parameters stratified by chorionicity and customized for obstetrical and parental characteristics. STUDY DESIGN: Fetal biometric measurements obtained from serial ultrasound examinations in uncomplicated twin pregnancies delivering after 36 weeks of gestation were collected by 19 Italian fetal medicine units under the auspices of the Società Italiana di Ecografia Ostetrica e Ginecologica...
January 5, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28065221/meta-analysis-of-aspirin-heparin-therapy-for-un-explained-recurrent-miscarriage
#16
Tong Ling, Wei Xian-Jiang
Objective This study was designed to evaluate the efficacy and safety of aspirin-heparin treatment for un-explained recurrent spontaneous abortion (URSA). Methods Literatures reporting the studies on the aspirin-heparin treatment of un-explained recurrent miscarriage with randomized controlled trials (RCTs) were collected from the major publication databases. The live birth rate was used as primary indicator, preterm delivery, preeclampsia, intrauterine growth restriction, and adverse reactions (thrombocytopenia ) were used as the secondary indicators...
November 20, 2016: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/28063262/quantification-of-mechanical-dyssynchrony-in-growth-restricted-fetuses-and-normal-controls-using-speckle-tracking-echocardiography-ste
#17
Kristina Krause, Mareike Möllers, Kerstin Hammer, Maria Karina Falkenberg, Ute Möllmann, Dennis Görlich, Walter Klockenbusch, Ralf Schmitz
PURPOSE: To evaluate longitudinal mechanical dyssynchrony in normally grown fetuses by speckle tracking echocardiography (STE) and to compare longitudinal mechanical dyssynchrony in fetal growth restriction (FGR) with normal controls. MATERIALS AND METHODS: A prospective study was performed on 30 FGR and 62 normally grown fetuses, including 30 controls matched by gestational age, using STE and a transversal four-chamber view. Data analysis was carried out with a high frame rate of about 175 frames/s...
January 7, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28062958/a-study-of-oxidative-stress-in-neonates-delivered-through-meconium-stained-amniotic-fluid
#18
Tapas Bandyopadhyay, B D Bhatia, H D Khanna
: To estimate the levels of malondialdehyde (MDA) and 8-hydroxy-2-deoxyguanosine (8-OH-dG) in cord blood plasma of newborns born through meconium-stained amniotic fluid (MSAF) and also to find out the correlation between their levels with birth weight and gestation, we measured the cord blood plasma levels of MDA and 8-OH-dG in 59 newborns born through MSAF and 50 newborns born through clear liquor. The levels of cord blood plasma MDA and 8-OH-dG were significantly higher in full-term and late-preterm newborns born through MSAF...
January 6, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28059843/clinically-relevant-female-genital-tract-anomalies
#19
Mary E Christiansen, Laura Detti
Müllerian anomalies are defined as congenital uterine malformations that arise from improperly developing Müllerian ducts. These malformations have a variety of presentations ranging from asymptomatic to amenorrhea, dyspareunia, dysmenorrhea, chronic pelvic pain, pregnancy loss, fetal malpresentation, placental abruption, and intrauterine growth restriction. In this review, we discuss the clinical implications, diagnosis, and treatment of the various Müllerian anomalies focusing on the ones for which clinical intervention is amenable to improve pregnancy outcomes...
January 4, 2017: Clinical Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28056865/why-women-do-not-ask-for-information-on-preconception-health-a-qualitative-study
#20
Renata Bortolus, Nadia C Oprandi, Francesca Rech Morassutti, Luca Marchetto, Francesca Filippini, Eleonora Agricola, Alberto E Tozzi, Carlo Castellani, Faustina Lalatta, Bruno Rusticali, Pierpaolo Mastroiacovo
BACKGROUND: Preconception care involves health promotion to reduce risk factors that might affect women and couples of childbearing age. The risk factors of adverse reproductive outcomes include recognized genetic diseases in the family or the individual, previous congenital diseases, miscarriage, prematurity, fetal growth restriction, infertility, chronic maternal diseases, lifestyle, and occupational or environmental factors. Effective preconception care involves a range of preventive, therapeutic and behavioural interventions...
January 5, 2017: BMC Pregnancy and Childbirth
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