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gestational thyroid dysfunction

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https://www.readbyqxmd.com/read/29074717/2-chlorhexidine-70-isopropyl-alcohol-versus-10-povidone-iodine-for-insertion-site-cleaning-before-central-line-insertion-in-preterm-infants-a-randomised-trial
#1
Emily A Kieran, Anne O'Sullivan, Jan Miletin, Anne R Twomey, Susan J Knowles, Colm Patrick Finbarr O'Donnell
OBJECTIVE: To determine whether 2% chlorhexidine gluconate-70% isopropyl alcohol (CHX-IA) is superior to 10% aqueous povidone-iodine (PI) in preventing catheter-related blood stream infection (CR-BSI) when used to clean insertion sites before placing central venous catheters (CVCs) in preterm infants. DESIGN: Randomised controlled trial. SETTING: Two neonatal intensive care units (NICUs). PATIENTS: Infants <31 weeks' gestation who had a CVC inserted...
October 26, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/29067240/benign-thyroid-disease-in-pregnancy-a-state-of-the-art-review
#2
REVIEW
Efterpi Tingi, Akheel A Syed, Alexis Kyriacou, George Mastorakos, Angelos Kyriacou
Thyroid dysfunction is the commonest endocrine disorder in pregnancy apart from diabetes. Thyroid hormones are essential for fetal brain development in the embryonic phase. Maternal thyroid dysfunction during pregnancy may have significant adverse maternal and fetal outcomes such as preterm delivery, preeclampsia, miscarriage and low birth weight. In this review we discuss the effect of thyroid disease on pregnancy and the current evidence on the management of different thyroid conditions in pregnancy and postpartum to improve fetal and neonatal outcomes, with special reference to existing guidelines on the topic which we dissect, critique and compare with each other...
December 2016: Journal of Clinical & Translational Endocrinology
https://www.readbyqxmd.com/read/28993437/thyroid-hormone-regulates-protease-expression-and-activation-of-notch-signaling-in-implantation
#3
Diletta Piccirilli, Enke Baldini, Micol Massimiani, Antonella Camaioni, Antonietta Salustri, Roberta Bernardini, Marco Centanni, Salvatore Ulisse, Constanzo Moretti, Luisa Campagnolo
A clinical association between thyroid dysfunction and pregnancy complications has been extensively reported, however the molecular mechanisms through which TH might regulate key-events of pregnancy have not been elucidated yet. In this respect, we performed in vivo studies in MMI- induced hypothyroid pregnant mice, evaluating the effect of hypothyroidism on the number of implantation sites, developing embryos/resorptions and pups per litter, at 4.5, 10.5, 18.5 days post coitum (dpc) and at birth. We also studied the expression of major molecules involved in implantation and placentation, such as the proteases ISPs, MMPs, TIMPs and Notch pathway related genes...
October 9, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28982961/mechanisms-in-endocrinology-maternal-thyroid-dysfunction-during-pregnancy-and-behavioural-and-psychiatric-disorders-of-children-a-systematic-review
#4
REVIEW
Dagnachew Muluye Fetene, Kim S Betts, Rosa Alati
BACKGROUND: Maternal thyroid dysfunction during pregnancy may lead to persistent neurodevelopmental disorders in the offspring appearing in later life. This study aimed to review the available evidence concerning the relationship between maternal thyroid status during pregnancy and offspring behavioural and psychiatric disorders. METHODS: Systematic electronic database searches were conducted using PubMed, Embase, PsycNET, Scopus, Google Scholar and Cochrane library...
November 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28982017/incidence-of-subclinical-hypothyroidism-and-hypothyroidism-in-early-pregnancy
#5
Frida Hosseini Akram, Bengt Johansson, Gunnar Möllerström, Britt-Marie Landgren, Anneli Stavreus-Evers, Lottie Skjöldebrand-Sparre
BACKGROUND: Untreated and subclinical hypothyroidism (SCH) has been associated with adverse pregnancy complications such as increased risk of miscarriage, hypertension, preeclampsia, and preterm delivery. However, in Sweden, screening for thyroid dysfunction during pregnancy is only recommended for women with a high risk of thyroid disease. Therefore, the aim of this study was to determine the incidence of clinical and SCH in women in the first trimester of pregnancy. MATERIALS AND METHODS: In this prospective study, 1298 pregnant women were divided into three groups: one unselected general screening group (n = 611), one low-risk group comprising women without risk factors for thyroid disorder (n = 511), and one high-risk group comprising women with an inheritance or suspicion of thyroid disease or undergoing treatment for thyroid disease (n = 88)...
November 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28945847/maternal-thyroid-antibodies-associates-with-cardiometabolic-risk-factors-in-children-at-the-age-of-16
#6
Anna-Leena Heikkinen, Fanni Päkkilä, Anna-Liisa Hartikainen, Marja Vääräsmäki, Tuija Männistö, Eila Suvanto
Context and Objective: The objective of this study was to determine the effects of maternal thyroid dysfunction or antibodies during pregnancy on the cardiometabolic risk factors in children. Design, Setting, and Participants: This prospective population-based cohort study, Northern Finland Birth Cohort 1986, included all pregnancies within a year in the area. Maternal serum samples were collected before the 20th week of gestation and analyzed for thyrotropin, free T4, thyroid-peroxidase antibodies (TPO-Abs), and thyroglobulin antibodies (Tg-Abs)...
November 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28917612/thyroid-stimulating-hormone-anti-thyroid-antibodies-and-pregnancy-outcomes
#7
Torie C Plowden, Enrique F Schisterman, Lindsey A Sjaarda, Neil J Perkins, Robert Silver, Rose Radin, Keewan Kim, Noya Galai, Alan H DeCherney, Sunni L Mumford
BACKGROUND: Overt thyroid dysfunction has been associated with adverse obstetric outcomes. However, less is known regarding subclinical hypothyroidism or thyroid autoimmunity and their relationship to pregnancy complications. OBJECTIVE: The purpose of this study was to examine the association between prepregnancy anti-thyroid antibodies and subclinical hypothyroidism and preterm delivery, gestational diabetes mellitus, and preeclampsia. STUDY DESIGN: We conducted a secondary analysis of a prospective cohort of 18- to 40-year-old women with 1-2 previous pregnancy losses (n=1193) who participated in a multicenter randomized, placebo-controlled trial of low-dose aspirin...
September 14, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28825764/systemic-sclerosis-exploring-the-potential-interplay-between-thyroid-disorders-and-pregnancy-outcome-in-an-italian-cohort
#8
Paola Triggianese, Paola Conigliaro, Maria Sole Chimenti, Carmen Barbato, Elisabetta Greco, Barbara Kroegler, Caterina De Carolis, Roberto Perricone
BACKGROUND: Evidence has shown that pregnancy failure (PF) in women with systemic sclerosis (SSc) consists mainly of preterm delivery (PD) and intrauterine growth restriction (IUGR). Thyroid dysfunction (TD) and Hashimoto's thyroiditis (HT) represent a common feature of SSc. Since TD has been associated with PF, its presence in SSc women may potentially affect pregnancy outcome. OBJECTIVES: To analyze the interplay between TD and PF in a cohort of SSc women. METHODS: SSc women (n=77) and age-matched controls from the general obstetric population (n=50) were included...
August 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28713331/thyroid-stimulating-hormone-receptor-antibodies-in-pregnancy-clinical-relevance
#9
REVIEW
Ines Bucci, Cesidio Giuliani, Giorgio Napolitano
Graves' disease is the most common cause of thyrotoxicosis in women of childbearing age. Approximately 1% of pregnant women been treated before, or are being treated during pregnancy for Graves' hyperthyroidism. In pregnancy, as in not pregnant state, thyroid-stimulating hormone (TSH) receptor (TSHR) antibodies (TRAbs) are the pathogenetic hallmark of Graves' disease. TRAbs are heterogeneous for molecular and functional properties and are subdivided into activating (TSAbs), blocking (TBAbs), or neutral (N-TRAbs) depending on their effect on TSHR...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28660410/effect-of-fetal-hypothyroidism-on-myomir-network-and-its-target-gene-expression-profiles-in-heart-of-offspring-rats
#10
Nasibeh Yousefzadeh, Sajad Jeddi, Rafighe Ghiasi, Mohammad Reza Alipour
Thyroid hormone deficiency during fetal life (fetal hypothyroidism) causes intrauterine growth restriction (IUGR). Fetal hypothyroidism (FH) could attenuate normal cardiac functions in the later life of the offspring rats. The aim of this study was to evaluate the contribution of myomiR network and its target gene expression in cardiac dysfunction in fetal hypothyroid rats. Six Pregnant female rats were divided into two groups: Control consumed tap water, and the hypothyroid group received water containing 0...
December 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28557747/supplemental-iodide-for-preterm-infants-and-developmental-outcomes-at-2-years-an-rct
#11
Fiona L R Williams, Simon Ogston, Robert Hume, Jennifer Watson, Kayleigh Stanbury, Peter Willatts, Anita Boelen, Edmund Juszczak, Peter Brocklehurst
BACKGROUND: The recommendation for enteral iodide intake for preterm infants is 30 to 40 μg/kg per day and 1 μg/kg per day for parenteral intake. Preterm infants are vulnerable to iodide insufficiency and thyroid dysfunction. The hypothesis tested whether, compared with placebo, iodide supplementation of preterm infants improves neurodevelopment. METHODS: A randomized controlled trial of iodide supplementation versus placebo in infants <31 weeks' gestation...
May 2017: Pediatrics
https://www.readbyqxmd.com/read/28542464/maternal-low-thyroxin-levels-are-associated-with-adverse-pregnancy-outcomes-in-a-chinese-population
#12
Yong Zhang, Xiaobei Dai, Shuai Yang, Chen Zhang, Mi Han, He-Feng Huang, Jianxia Fan
Although thyroid dysfunction in early pregnancy may have adverse effects on pregnancy outcomes, few studies have examined the relationship between maternal low free thyroxin (FT4) levels in both first and third trimesters of pregnancy and the incidence of adverse pregnancy outcomes. We hypothesized that low FT4 levels in either first or third trimesters of pregnancy may have different effects on pregnancy outcomes. The study included 6,031 mothers who provided both first and third pregnancy serum samples for analyses of thyroid function...
2017: PloS One
https://www.readbyqxmd.com/read/28480843/prognostic-risk-of-obstetric-and-perinatal-complications-in-pregnant-women-with-thyroid-dysfunction
#13
N Morchiladze, B Tkeshelashvili, T Gagua, D Gagua
Maternal thyroid pathology takes important role in obstetric and peri-neonatal morbidity structure. Despite of the number of studies conducted in the field of thyroid disorders of pregnant females, the definition of influence of thyroid gland dysfunction on maternal and neonatal health still remains actual. The mentioned topics draw specific interest in the aspect of prognosticaiton of complications and unfavorable outcome. Aim of the study - to define the specificities of gestation period and determine the prognostic risk of obstetric and perinatal complications in pregnant females with thyroid pathology...
March 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28359096/early-maternal-thyroid-function-during-gestation-is-associated-with-fetal-growth-particularly-in-male-newborns
#14
Tanja G M Vrijkotte, E Jessica Hrudey, Marcel B Twickler
Background: Intrauterine growth patterns are influenced by maternal thyroid function during gestation and by fetal sex. It is unknown, however, whether the relationships between maternal thyrotropin (TSH) and free thyroxine (fT4) levels in early pregnancy and fetal growth outcomes are modified by fetal sex. Design: Data were obtained from a community-based cohort study of pregnant women living in Amsterdam (Amsterdam Born Children and Their Development study). TSH and fT4 levels were determined during the first prenatal screening at median 13 weeks (interquartile range, 12 to 14)...
March 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28333271/impact-of-thyroid-autoimmunity-in-euthyroid-women-on-live-birth-rate-after-iui
#15
D Unuane, B Velkeniers, B Bravenboer, P Drakopoulos, H Tournaye, J Parra, M De Brucker
Study question: Does thyroid autoimmunity (TAI) predict live birth rate in euthyroid women after one treatment cycle in IUI patients? Summary answer: TAI as such does not influence pregnancy outcome after IUI treatment. What is known already: The role of TAI on pregnancy outcome in the case of IVF/ICSI is largely debated in the literature. This is the first study to address this issue in the case of IUI. Study design, size, duration: This was a retrospective cohort study...
April 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28323629/effects-of-levothyroxine-on-pregnancy-outcomes-in-women-with-thyroid-dysfunction-a-meta-analysis-of-randomized-controlled-trials
#16
Jia Li, Jie Shen, Lan Qin
Context • Subclinical hypothyroidism (SCH) in pregnancy can be associated with increased complications in pregnant women and neurocognitive deficits in fetuses. Two recently published meta-analyses investigated the effects of levothyroxine (LT4) supplementation on pregnancy outcomes but did not report adverse complications and neonatal outcomes. Objectives • The study intended to assess the effects of LT4 supplementation in the treatment of pregnant women with thyroid dysfunction. Design • The research team performed a meta-analysis of randomized controlled trials (RCTs) published in PubMed, Embase, Web of Science, Chinese BioMedical Literature Service System, and China National Knowledge Infrastructure databases...
March 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28199771/thyroid-dysfunction-in-children-with-autism-spectrum-disorder-is-associated-with-folate-receptor-alpha-autoimmune-disorder
#17
Richard E Frye, Rebecca Wynne, Shannon Rose, John Slattery, Leanna Delhey, Marie Tippett, Stephen G Kahler, Sirish C Bennuri, Stepan Melnyk, Jeffrey M Sequeira, Edward Quadros
Folate receptor α (FRα) autoantibodies (FRAAs) are prevalent in Autism Spectrum Disorder (ASD). FRAAs disrupt folate transport across the blood-brain barrier by binding to the FRα. Thyroid dysfunction is frequently found in children with ASD. We measured blocking and binding FRAAs and thyroid stimulating hormone (TSH), free T4 (FT4), total T3 (TT3), reverse T3 (rT3), thyroid releasing hormone (TRH) and other metabolites in 87 children with ASD, 84 of whom also underwent behavior and cognition testing and in 42 of whom FRAAs, TSH and FT4 were measured at two time points...
February 15, 2017: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/28126204/the-relationship-between-iron-level-and-thyroid-function-during-the-first-trimester-of-pregnancy-a-cross-sectional-study-in-wuxi-china
#18
Jinyan Fu, Anqiang Yang, Jun Zhao, Yunlong Zhu, Ying Gu, Yaohui Xu, Daozhen Chen
Our objective was to evaluate the relationship between iron level and thyroid function during the first trimester of pregnancy in Eastern China. This was a hospital-based, cross-sectional observational study. A total of 1764 pregnant women were enrolled during their first trimester of gestation in Wuxi city. Serum ferritin (SF), hemoglobin (Hb), urinary iodine concentrations (UIC), thyroid-stimulating hormone (TSH), free thyroxine (FT4) and free triiodothyronine (FT3) were measured and evaluated in pregnant women...
September 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28102101/thyroid-in-pregnancy-from-physiology-to-screening
#19
Drahomira Springer, Jan Jiskra, Zdenka Limanova, Tomas Zima, Eliska Potlukova
Thyroid hormones are crucial for the growth and maturation of many target tissues, especially the brain and skeleton. During critical periods in the first trimester of pregnancy, maternal thyroxine is essential for fetal development as it supplies thyroid hormone-dependent tissues. The ontogeny of mature thyroid function involves organogenesis, and maturation of the hypothalamus, pituitary and the thyroid gland; and it is almost complete by the 12th-14th gestational week. In case of maternal hypothyroidism, substitution with levothyroxine must be started in early pregnancy...
March 2017: Critical Reviews in Clinical Laboratory Sciences
https://www.readbyqxmd.com/read/28049387/stimulation-of-thyroid-function-by-human-chorionic-gonadotropin-during-pregnancy-a-risk-factor-for-thyroid-disease-and-a-mechanism-for-known-risk-factors
#20
Tim I M Korevaar, Yolanda B de Rijke, Layal Chaker, Marco Medici, Vincent W V Jaddoe, Eric A P Steegers, Theo J Visser, Robin P Peeters
BACKGROUND: Thyroid autoimmunity is a major risk factor for gestational thyroid disease, and recently various other risk factors have been identified, including maternal age, body mass index (BMI) and parity. Human chorionic gonadotropin (hCG) is an important determinant of gestational thyroid function, yet it is unknown to what extent differences in hCG concentration affect the risk for thyroid disease. We have recently shown that thyroperoxidase antibody positivity impairs the thyroidal response to hCG stimulation, which may suggest that this is a mechanism through which thyroid autoimmunity acts as a risk factor for thyroid disease...
March 2017: Thyroid: Official Journal of the American Thyroid Association
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