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Fetal Growth restriction

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https://www.readbyqxmd.com/read/29785960/reduction-in-regulatory-t-cells-in-early-pregnancy-causes-uterine-artery-dysfunction-in-mice
#1
Alison S Care, Stephane L Bourque, Jude S Morton, Emma P Hjartarson, Sarah A Robertson, Sandra T Davidge
Preeclampsia, fetal growth restriction, and miscarriage remain important causes of maternal and perinatal morbidity and mortality. These complications are associated with reduced numbers of a specialized T lymphocyte subset called regulatory T cells (Treg cells) in the maternal circulation, decidua, and placenta. Treg cells suppress inflammation and prevent maternal immunity toward the fetus, which expresses foreign paternal alloantigens. Treg cells are demonstrated to contribute to vascular homeostasis, but whether Treg cells influence the vascular adaptations essential for a healthy pregnancy is unknown...
May 21, 2018: Hypertension
https://www.readbyqxmd.com/read/29785115/management-and-outcomes-of-pregnancy-with-or-without-lupus-nephritis-a-systematic-review-and-meta-analysis
#2
REVIEW
Jiayue Wu, Jinghang Ma, Wei-Hong Zhang, Wen Di
Background: Although it is well established that systemic lupus erythematosus (SLE) negatively affects pregnancy outcomes, there is insufficient evidence on the effect of lupus nephritis (LN) on antenatal management and pregnancy outcomes. We performed a systematic review and meta-analysis to determine the association of LN with management and pregnancy outcomes in SLE patients. Methods: Embase, Medline, Cochrane, and ClinicalTrials.gov were carefully searched for relevant English and Chinese language studies...
2018: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/29779040/association-between-unexplained-thickened-nuchal-translucency-and-adverse-pregnancy-outcomes
#3
Santee Tiyatha, Sirinart Sirilert, Ratanaporn Sekararithi, Theera Tongsong
OBJECTIVE: To determine the association between unexplained increased nuchal translucency (INT) and adverse pregnancy outcomes. PATIENTS AND METHODS: The prospective database of our fetal down screening project was accessed to retrieve the records with NT measurement and complete follow-up. Pregnancies with pre-existing medical diseases, fetal chromosomal or structural abnormalities were excluded. The selected pregnancies were classified into the INT groups (> 95th percentile), the normal (< 95th percentile) group...
May 19, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29778808/maternal-treatment-with-a-placental-targeted-antioxidant-mitoq-impacts-offspring-cardiovascular-function-in-a-rat-model-of-prenatal-hypoxia
#4
Mais M Aljunaidy, Jude S Morton, Raven Kirschenman, Tom Phillips, C Patrick Case, Christy-Lynn M Cooke, Sandra T Davidge
Intrauterine growth restriction, a common consequence of prenatal hypoxia, is a leading cause of fetal morbidity and mortality with a significant impact on population health. Hypoxia may increase placental oxidative stress and lead to an abnormal release of placental-derived factors, which are emerging as potential contributors to developmental programming. Nanoparticle-linked drugs are emerging as a novel method to deliver therapeutics targeted to the placenta and avoid risking direct exposure to the fetus...
May 17, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29778069/differential-correlations-between-maternal-hair-levels-of-tobacco-and-alcohol-with-fetal-growth-restriction-clinical-subtypes
#5
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/29775476/maternal-asthma-is-associated-with-increased-risk-of-perinatal-mortality
#6
Mari Kemppainen, Anna-Maria Lahesmaa-Korpinen, Paula Kauppi, Martti Virtanen, Suvi M Virtanen, Riitta Karikoski, Mika Gissler, Turkka Kirjavainen
BACKGROUND: Asthma is the most common chronic disease during pregnancy and it may have influence on pregnancy outcome. OBJECTIVES: Our goal was to assess the association between maternal asthma and the perinatal risks as well as possible effects of asthma medication. METHODS: The study was based on a nationwide Finnish register-based cohort between the years 1996 and 2012 in the Drug and Pregnancy Database. The register data comprised 962 405 singleton live and stillbirths, 898 333 (93...
2018: PloS One
https://www.readbyqxmd.com/read/29770755/body-composition-during-early-infancy-and-developmental-progression-from-1-to-5-years-of-age-the-infant-anthropometry-and-body-composition-iabc-cohort-study-among-ethiopian-children
#7
Mubarek Abera, Markos Tesfaye, Bitiya Admassu, Charlotte Hanlon, Christian Ritz, Rasmus Wibaek, Kim F Michaelsen, Henrik Friis, Jonathan C Wells, Gregers S Andersen, Tsinuel Girma, Pernille Kæstel
Early nutrition and growth have been found to be important early exposures for later development. Studies of crude growth in terms of weight and length/height, however, cannot elucidate how body composition (BC) might mediate associations between nutrition and later development. In this study, we aimed to examine the relation between fat mass (FM) or fat-free mass (FFM) tissues at birth and their accretion during early infancy, and later developmental progression. In a birth cohort from Ethiopia, 455 children who have BC measurement at birth and 416 who have standardised rate of BC growth during infancy were followed up for outcome variable, and were included in the statistical analysis...
June 2018: British Journal of Nutrition
https://www.readbyqxmd.com/read/29764231/important-considerations-in-pregnant-patients-with-lupus-nephritis
#8
Gabriella Moroni, Claudio Ponticelli
In the last few decades, identification of predictors of pregnancy outcome and appropriate pregnancy planning have significantly reduced the maternal and fetal risks in pregnant women with lupus nephritis. Areas covered: Successful pregnancies have been reported even in women with chronic renal disease and renal insufficiency. However, refractory hypertension and severe renal or cardiac chronic dysfunction are still considered contraindications to pregnancy. Pre-term delivery and fetal growth restriction may still occur in SLE patients more frequently than in healthy women, even in pregnancies regularly planned and monitored by a team of nephrologists and gynaecologists...
May 15, 2018: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/29763608/early-prognostic-factors-of-outcomes-in-monochorionic-twin-pregnancy-systematic-review-and-meta-analysis
#9
REVIEW
Fiona L Mackie, Matthew J Hall, R Katie Morris, Mark D Kilby
OBJECTIVE: Assess ability of first trimester pregnancy related factors (ultrasound measurements, maternal characteristics, biomarkers) to predict complications in monochorionic twin pregnancies DATA SOURCES: MEDLINE, EMBASE, ISI Web of Science, CINAHL, the Cochrane Central Registration of Controlled Trials and Research Registers, and Google Scholar, from inception to 12 May 2017. Grey literature and bibliographies of articles were checked. STUDY ELIGIBILITY CRITERIA: Studies that reported ultrasound measurements, maternal characteristics, or potential biomarkers, measured in the first trimester in monochorionic diamniotic twin pregnancies, where the potential prognostic ability between the variable and twin-twin transfusion syndrome, growth restriction, or intrauterine fetal death could be assessed...
May 12, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29759932/examining-the-link-between-placental-pathology-growth-restriction-and-stillbirth
#10
REVIEW
Robert M Silver
Stillbirth, often defined as death of a fetus ≥20 weeks of gestation, is emotionally devastating for families and caregivers. It is often associated with fetal growth restriction (FGR). Indeed, FGR or small-for-gestational age fetus (SGA) is a major risk factor for stillbirth. In rare cases, this is due to genetic abnormalities or infections. However, in most cases, it is linked to placental insufficiency. This may be due to abnormal placental development or placental damage, thereby resulting in decreased blood flow, oxygen, and nutrients to the fetus...
March 26, 2018: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29757275/isolation-of-primary-human-decidual-cells-from-the-fetal-membranes-of-term-placentae
#11
Tali Farine, Michael Parsons, Stephen Lye, Oksana Shynlova
The decidua, also known as the pregnant endometrium, is a critically important reproductive tissue. Decidual cells, comprised mainly of decidualized stromal cells and immune cells, are responsible for the secretion of hormonal and inflammatory factors which are critical for successful blastocyst implantation, placental development and play a role in the initiation of labor at term and preterm. Many pregnancy complications can arise from perturbations of a fine balance of different cell populations comprising decidua...
April 30, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29755036/pregnancy-related-risk-factors-are-associated-with-a-significant-burden-of-treated-hypertension-within-10-years-of-delivery-findings-from-a-population-based-norwegian-cohort
#12
Grace M Egeland, Svetlana Skurtveit, Anne Cathrine Staff, Geir Egil Eide, Anne-Kjersti Daltveit, Kari Klungsøyr, Lill Trogstad, Per M Magnus, Anne Lise Brantsæter, Margaretha Haugen
BACKGROUND: The association between pregnancy complications and women's later cardiovascular disease has, primarily, been evaluated in studies lacking information on important covariates. This report evaluates the prospective associations between pregnancy-related risk factors (preeclampsia/eclampsia, gestational hypertension, pregestational and gestational diabetes mellitus, preterm delivery, and fetal growth restriction) and pharmacologically treated hypertension within 10 years after pregnancy, while adjusting for a wide range of covariates...
May 13, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29753845/gestational-di-2-ethylhexyl-phthalate-exposure-causes-fetal-intrauterine-growth-restriction-through-disturbing-placental-thyroid-hormone-receptor-signaling
#13
Zhen Yu, Yan Han, Ru Shen, Kun Huang, Yuan-Yuan Xu, Qu-Nan Wang, Shan-Shan Zhou, De-Xiang Xu, Fang-Biao Tao
Previous study reported that gestational Di-(2-ethylhexyl) phthalate (DEHP) exposure caused fetal intrauterine growth restriction (IUGR). We aimed to investigate the role of placental thyroid hormone receptor (THR) signaling in DEHP-induced IUGR. Dams were treated with DEHP (50 or 200 mg/kg) by gavage daily throughout pregnancy. As expected, gestational DEHP exposure dose-dependently caused fetal IUGR. The mRNA levels of placental Thrα1 and Thrβ1 were reduced and nuclear translocation of placental THRα1 and THRβ1 were suppressed in DEHP-exposed mice even though thyroid hormones in maternal and fetal sera were unaffected...
May 10, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29753694/physiological-adaptation-of-the-growth-restricted-fetus
#14
REVIEW
Karel Maršál
The growth-restricted fetus in utero is exposed to a hostile environment and suffers undernutrition and hypoxia. To cope with the stress, the fetus changes its physiological functions. These adaptive changes aid intrauterine survival; however, they can lead to permanent functional and structural changes that can contribute to the development of serious chronic diseases later in life. Epigenetic mechanisms are an important part of the pathophysiological processes behind this "developmental origin of adult diseases...
February 24, 2018: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29752389/pregnancy-in-women-with-a-fontan-circulation-a-systematic-review-of-the-literature
#15
Alvaro Garcia Ropero, Shankar Baskar, Jolien W Roos Hesselink, Andrea Girnius, Dominica Zentner, Lorna Swan, Magalie Ladouceur, Nicole Brown, Gruschen R Veldtman
BACKGROUND: The Fontan operation has provided life-saving palliation and adult survival for individuals born with single ventricle physiology. Many now seek advice about safe pregnancy. Little data are, however, available, consisting mainly of anecdotal experience and small series. This article seeks to review the published literature and identify lessons learnt from this collective experience. METHODS AND RESULTS: We conducted a systematic review to evaluate maternal and fetal outcomes of pregnancy in women with a Fontan circulation...
May 2018: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/29746007/preterm-growth-restriction-and-bronchopulmonary-dysplasia-the-vascular-hypothesis-and-related-physiology
#16
Arvind Sehgal, Stella M Gwini, Samuel Menahem, Beth J Allison, Suzanne L Miller, Graeme R Polglase
KEY POINTS: Approximately 5-10% pregnancies are affected by fetal growth restriction. Preterm infants affected by fetal growth restriction have a higher incidence of bronchopulmonary dysplasia. This study is the first to measure pulmonary artery thickness and stiffness. It highlights that impaired vasculogenesis may be a contributory factor in the higher incidence of bronchopulmonary dysplasia in preterm growth restricted infants. The study addresses the mechanistic link between fetal programming and vascular architecture and mechanics...
May 10, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29744013/pregnancy-in-women-with-cardiovascular-diseases
#17
REVIEW
Karolina Adam
Patients with cardiovascular disease represent a significant cohort at risk for complications during pregnancy. The normal physiologic changes of pregnancy could further compromise the hemodynamics of various cardiovascular conditions, resulting in clinical deterioration and even death. The fetus of a gravida with cardiovascular disease also has an increased risk of morbidity, including an increased risk of inherited cardiac genetic disorders, fetal growth restriction, and premature delivery. These complications also increase the risk for antenatal and perinatal mortality...
October 2017: Methodist DeBakey Cardiovascular Journal
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/29738748/femur-sparing-pattern-of-abnormal-fetal-growth-in-pregnant-women-from-new-york-city-after-maternal-zika-virus-infection
#19
Christie L Walker, Audrey A Merriam, Eric O Ohuma, Manjiri K Dighe, Michael Gale, Lakshmi Rajagopal, Aris T Papageorghiou, Cynthia Gyamfi-Bannerman, Kristina M Adams Waldorf
BACKGROUND: Zika virus (ZIKV) is a mosquito-transmitted flavivirus, which can induce fetal brain injury and growth restriction following maternal infection during pregnancy. Prenatal diagnosis of ZIKV-associated fetal injury in the absence of microcephaly is challenging due to an incomplete understanding of how maternal ZIKV infection affects fetal growth and the use of different sonographic reference standards around the world. We hypothesized that skeletal growth is unaffected by ZIKV infection and that the femur length can represent an internal standard to detect growth deceleration of the fetal head and/or abdomen by ultrasound...
May 5, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29735634/evaluation-of-sildenafil-and-tadalafil-for-reversing-constriction-of-fetal-arteries-in-a-human-placenta-perfusion-model
#20
Robert B Walton, Luckey C Reed, Sarah M Estrada, Stacey S Schmiedecke, Diana L Villazana-Kretzer, Peter G Napolitano, Nicholas Ieronimakis
Fetal growth restriction resulting from reduced placental blood perfusion is a major cause of neonatal morbidity and mortality. Aside from intense surveillance and early delivery, there is no treatment for fetal growth restriction. A potential treatment associated with placental vasoconstriction is the class of PDE5 (phosphodiesterase type 5) inhibitors such as sildenafil, which is known to cross the placenta. In contrast, tadalafil, a more potent and selective PDE5 inhibitor has not been studied in pregnancy or experimental models of fetal growth restriction...
May 7, 2018: Hypertension
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