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https://www.readbyqxmd.com/read/29769486/low-free-t%C3%A2-was-associated-with-poor-glycemic-control-in-type-2-diabetes-in-a-hospital-based-study-in-bangladesh
#1
M Kamrul-Hasan, N I Siddiqui, R A Shubha, M Abu-Bakar, P K Chanda, F I Haque
Clinical significance of low free T₃ (FT₃) has not been well explained in patients with type 2 diabetes mellitus (T2DM); FT₃ level may be associated with diabetes control and also with diabetic complications. This cross-sectional study was carried out among 153 (mean age 46.8±12 years; female 68%, mean duration of diabetes 5.5±0.53 years, 63.4% either overweight or obese) non-pregnant adults with T2DM who had no acute illness and were unaware about their thyroid function status from July 2016 to December 2016...
April 2018: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29764405/urinary-iodine-concentration-and-thyroid-volume-of-pregnant-women-attending-antenatal-care-in-two-selected-hospitals-in-ashanti-region-ghana-a-comparative-cross-sectional-study
#2
Daniel Gyamfi, Yaw Amo Wiafe, Kwabena Owusu Danquah, Ernest Adankwah, Gertrude Akua Amissah, Angela Odame
BACKGROUND: Iodine deficiency is a major public health problem affecting people worldwide, particularly pregnant women. Iodine requirements increase substantially during pregnancy making pregnant women vulnerable to iodine deficiency and its disorders such as abortions, stillbirths and pregnancy goitre as well as congenital abnormalities, cretinism and mental retardation in their children. The primary aim of this study was to evaluate the prevalence of iodine deficiency and goitre among pregnant women attending antenatal sessions at two selected hospitals in Ashanti region, Ghana...
May 15, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29760680/disruption-in-thyroid-signaling-pathway-a-mechanism-for-the-effect-of-endocrine-disrupting-chemicals-on-child-neurodevelopment
#3
REVIEW
Akhgar Ghassabian, Leonardo Trasande
Thyroid hormones are crucial in normal brain development. Transient and mild thyroid hormone insufficiency in pregnancy is also associated with impaired neurodevelopment in the offspring (e.g., 3-4 IQ score loss in association with maternal free thyroxine in the lowest fifth percentile). While inadequate iodine intake remains the most common underlying cause of mild thyroid hormone insufficiency in vulnerable populations including pregnant women, other factors such as exposure to environmental contaminants have recently attracted increasing attention, in particular in interaction with iodine deficiency...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29751429/association-of-prenatal-exposure-to-pcdd-fs-and-pcbs-with-maternal-and-infant-thyroid-hormones-the-hokkaido-study-on-environment-and-children-s-health
#4
Toshiaki Baba, Sachiko Ito, Motoyuki Yuasa, Eiji Yoshioka, Chihiro Miyashita, Atsuko Araki, Seiko Sasaki, Sumitaka Kobayashi, Jumboku Kajiwara, Tsuguhide Hori, Shizue Kato, Reiko Kishi
Polychlorinated dibenzo-p-dioxins (PCDDs), dibenzofurans (PCDFs) and biphenyls (PCBs) are persistent organic pollutants that are universally detected. Some congeners of PCDDs, PCDFs or PCBs have dioxin-like toxicity, whereas non-dioxin-like PCBs are considered to have different toxicity. Reports of the relationships between prenatal exposure to PCDDs, PCDFs or PCBs and thyroid homeostasis in pregnant women and infants have been inconsistent. The aim of this study was to investigate the effect of maternal serum PCDD/F or PCB levels on maternal and neonatal thyroid hormone (TH) levels in a prospective cohort...
February 15, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29746532/association-between-perfluoroalkyl-substances-exposure-and-thyroid-function-in-adults-a-meta-analysis
#5
Min Joo Kim, Shinje Moon, Byung-Chul Oh, Dawoon Jung, Kyunghee Ji, Kyungho Choi, Young Joo Park
OBJECTIVE: Many people are exposed to perfluoroalkyl substances (PFASs) because these substances are widely used as industrial products. Although epidemiological studies suggest that PFASs can disrupt thyroid hormones, the association between PFAS exposure and thyroid function remains inconclusive. Therefore, we performed a comprehensive meta-analysis to investigate the association between PFASs exposure and thyroid hormones. METHODS: We searched medical literature databases for articles on the association between PFASs-perfluorooctanesulfonic acid (PFOS), perfluorooctanoic acid (PFOA), and perfluorohexane sulfonic acid (PFHxS)-and thyroid hormone levels in adults...
2018: PloS One
https://www.readbyqxmd.com/read/29734584/longitudinal-assessment-of-prenatal-phthalate-exposure-on-serum-and-cord-thyroid-hormones-homeostasis-during-pregnancy-tainan-birth-cohort-study-tbcs
#6
Han-Bin Huang, Pao-Lin Kuo, Jung-Wei Chang, Jouni J K Jaakkola, Kai-Wei Liao, Po-Chin Huang
An increasing number of studies have revealed that phthalate exposure alters thyroid hormone homeostasis in the general population, but there is insufficient evidence of the effect of longitudinal maternal phthalate exposure on maternal and fetal thyroid hormones during pregnancy. We longitudinally assessed the effect of prenatal phthalate exposure in pregnant women on umbilical cord and maternal thyroid hormones at three trimesters during pregnancy. We recruited 98 pregnant women and collected urine and blood samples at three trimesters in an obstetrics clinic in Southern Taiwan from 2013 to 2014...
April 1, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29724083/wider-reference-ranges-of-serum-thyroid-stimulating-hormone-in-pregnant-korean-women-is-it-time-to-stop-overtreatment
#7
Kwanhoon Jo, Dong-Jun Lim
No abstract text is available yet for this article.
May 2018: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29700098/high-prevalence-of-iodine-deficiency-in-pregnant-women-living-in-adequate-iodine-area
#8
Veronica Carneiro Borges Mioto, Ana Carolina Castro Nassif Gomes Monteiro, Rosalinda Y A Camargo, Andreia Rodrigues Borel, Regina Maria Catarino, Sergio Kobayashi, Maria Cristina Chammas, Suemi Marui
INTRODUCTION: Iodine deficiency during pregnancy is associated with obstetrical and neonatal adverse outcomes. Serum thyroglobulin (sTg) and thyroid volume (TV) are optional tools to urinary iodine concentration (UIC) for defining iodine status. This cross sectional study aims to evaluate the iodine status of pregnant women living in iodine-adequate area by spot UIC and correlation with sTg, TV and thyroid function. METHODS: 273 pregnant women were evaluated at three trimesters...
April 26, 2018: Endocrine Connections
https://www.readbyqxmd.com/read/29699957/iodine-deficiency-in-pregnant-women-at-first-trimester-in-ankara
#9
Kazibe Koyuncu, Batuhan Turgay, Feride Söylemez
OBJECTIVE: Iodine deficiency in pregnant woman in Ankara was shown in previous studies. We aimed to conduct a study in a tertiary center to investigate for the need for iodine replacement in our population. MATERIAL AND METHODS: This was a single tertiary center, non-interventional, retrospective, cross-sectional study. Data were retrieved retrospectively from 440 women who had been in first trimester in gestational age. Maternal iodine status, TSH levels, T4 levels were examined...
April 27, 2018: Journal of the Turkish German Gynecological Association
https://www.readbyqxmd.com/read/29696034/review-of-iodine-nutrition-in-iranian-population-in-the-past-quarter-of-century
#10
REVIEW
Hossein Delshad, Fereidoun Azizi
Context: Iodine deficiency is one of the most important health problems worldwide. The overall aim of this study was a narrative review of the past and present status of iodine nutrition in the Iranian population to gather and provide valuable background data in this field for future studies. Evidence Acquisition: For this narrative literature review study, published internal (SID, Iran doc, Iran medex) and international (Web of knowledge, Pubmed, SCOPUS) source studies were searched using the following medical subject heading terms: Iodine, IDD (iodine deficiency disorders), UIC (urinary iodine concentration), Goiter, IQ (intelligence quotient), thyroid hormone, Iodine and pregnancy, Iodine and breast feeding, as well as Iodized salt, reporting the prevalence of iodine deficiency and iodine nutrition status of different target populations in Iran over 25 years, between 1988 - 2014, were assessed...
October 2017: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29693263/clinical-associations-of-maternal-thyroid-function-with-fetal-brain-development-epidemiological-interpretation-and-overview-of-available-evidence
#11
Tim I M Korevaar, Henning Tiemeier, Robin P Peeters
TH is an important regulator of metabolism, growth and development in practically all tissues of the human body. During pregnancy, major changes occur in thyroid physiology including an increase in TH binding globulins, an increase in TH degradation by thyroid degrading enzymes (due to placental expression of type 3 deiodinase) and an increase in thyroid stimulation through high concentrations of human chorionic gonadotropin (hCG). Both overt hypothyroidism and Graves' hyperthyroidism, which occur in approximately 0...
April 24, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29684405/moderate-perinatal-thyroid-hormone-insufficiency-alters-visual-system-function-in-adult-rats
#12
William K Boyes, Laura Degn, Barbara Jane George, Mary E Gilbert
Thyroid hormone (TH) is critical for many aspects of neurodevelopment and can be disrupted by a variety of environmental contaminants. Sensory systems, including audition and vision are vulnerable to TH insufficiencies, but little data are available on visual system development at less than severe levels of TH deprivation. The goal of the current experiments was to explore dose-response relations between graded levels of TH insufficiency during development and the visual function of adult offspring. Pregnant Long Evans rats received 0 or 3 ppm (Experiment 1), or 0, 1, 2, or 3 ppm (Experiment 2) of propylthiouracil (PTU), an inhibitor of thyroid hormone synthesis, in drinking water from gestation day (GD) 6 to postnatal day (PN) 21...
April 20, 2018: Neurotoxicology
https://www.readbyqxmd.com/read/29681207/effect-of-in-utero-and-lactational-exposure-of-triazophos-on-reproductive-system-functions-in-male-offsprings-rattus-norvegicus
#13
Reetu Bhanot, Gurinder Kaur Sangha
In the present study, Triazophos (TZ) was used at acceptable daily intake (ADI) to investigate the consequence of prenatal and postnatal exposure on reproductive functions in the male offsprings. Pregnant females were divided into three groups, the first group was orally gavaged with olive oil (control), the second group was administered with 0.01 mg kg-1 bw of the ADI of TZ from gestation day (GD) 1 until parturition (designated as P group) and the third group was gavaged with the same dose from GD1 to postnatal day (PND) 21 of lactation (marked as P + L group)...
April 23, 2018: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/29677691/iodine-status-of-pregnant-women-from-a-coastal-brazilian-state-after-the-reduction-in-recommended-iodine-concentration-in-table-salt-according-to-governmental-requirements
#14
Débora Ayres Saraiva, Nathalie Anne de Oliveira E Silva de Morais, Carolina Martins Corcino, Tatiana Martins Benvenuto Louro Berbara, Annie Schtscherbyna, Mischelle Santos, Heron Botelho, Mario Vaisman, Patrícia de Fátima Dos Santos Teixeira
OBJECTIVE: To evaluate iodine status among pregnant women from a coastal state after Brazilian governmental resolution reducing iodine concentrations in table salt. Secondarily, we correlated urinary iodine concentration (UIC) with thyroid volume and hormones. METHODS: Inductively coupled plasma mass spectrometry was used to assess UIC from 629 samples of 244 first trimester pregnant women. Thyroid ultrasound, serum thyroglobulin, thyrotropin, free thyroxine, and antithyroid antibodies were measured as iodine concentrations on samples of table salt from patient's home...
February 14, 2018: Nutrition
https://www.readbyqxmd.com/read/29667177/adverse-placental-effects-of-valproic-acid-studies-in-perfused-human-placentas
#15
Miriam Rubinchik-Stern, Miriam Shmuel, Jacob Bar, Michal Kovo, Sara Eyal
OBJECTIVE: In utero exposure to valproic acid (VPA) has been associated with worse pregnancy outcomes compared to all other antiepileptic drugs. We have previously shown that VPA alters the expression of placental transporters for hormones and nutrients in vitro and in pregnant mice. Here, our aim was to characterize the effects of short exposure to VPA on the expression of carriers for compounds essential for fetal development in human placentas ex vivo, under controlled conditions...
April 17, 2018: Epilepsia
https://www.readbyqxmd.com/read/29659964/universal-salt-iodization-provides-sufficient-dietary-iodine-to-achieve-adequate-iodine-nutrition-during-the-first-1000-days-a-cross-sectional-multicenter-study
#16
Susanne Dold, Michael B Zimmermann, Tomislav Jukic, Zvonko Kusic, Qingzhen Jia, Zhongna Sang, Antonio Quirino, Teofilo O L San Luis, Ralph Fingerhut, Roland Kupka, Arnold Timmer, Greg S Garrett, Maria Andersson
Background: Dietary iodine requirements are high during pregnancy, lactation, and infancy, making women and infants vulnerable to iodine deficiency. Universal salt iodization (USI) has been remarkably successful for preventing iodine deficiency in the general population, but it is uncertain if USI provides adequate iodine intakes during the first 1000 d. Objective: We set out to assess if USI provides sufficient dietary iodine to meet the iodine requirements and achieve adequate iodine nutrition in all vulnerable population groups...
April 1, 2018: Journal of Nutrition
https://www.readbyqxmd.com/read/29645066/intellectual-performance-of-children-of-mothers-with-an-untreated-thyroid-disorder-in-the-first-pregnancy-trimester
#17
Irena Komendová, Sylvie Špitálníková
INTRODUCTION: The focus of the present study was the importance of the mother's thyroid function for foetal development in the first trimester, when the baby is totally dependent on the mother for thyroid hormones. MATERIAL AND METHODS: The study consisted in testing the intellectual performance of children with both euthyroid and thyroid-dysfunction mothers. The experimental group comprised 60 children of mothers with an untreated thyroid disorder in the first trimester of their pregnancy (TSH≥3...
April 12, 2018: Endokrynologia Polska
https://www.readbyqxmd.com/read/29644934/management-of-subclinical-hypothyroidism-in-pregnancy-a-comment-from-the-italian-society-of-endocrinology-sie-and-the-italian-thyroid-association-ait-to-the-2017-ata-guidelines-the-italian-way
#18
Mario Rotondi, Luca Chiovato, Furio Pacini, Luigi Bartalena, Paolo Vitti
The 2017 ATA Guidelines for the Diagnosis and Management of Thyroid Disease During Pregnancy and the Postpartum were published six years after the previous ones. They provide comprehensive clinical recommendations for the whole spectrum of thyroid diseases as well as for optimal iodine intake during pregnancy, post-partum and lactation. The present position statement mainly regards the recommended flow-chart for therapeutic decision making in pregnant women being diagnosed with subclinical hypothyroidism. The major biochemical and clinical situations and the corresponding therapeutic indications will be commented...
April 12, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29643159/role-of-iodine-containing-multivitamins-during-pregnancy-for-children-s-brain-function-protocol-of-an-ongoing-randomised-controlled-trial-the-swiddich-study
#19
Sofia Manousou, Birgitta Johansson, Anna Chmielewska, Janna Eriksson, Kerstin Gutefeldt, Carl-Johan Tornhage, Robert Eggertsen, Helge Malmgren, Lena Hulthen, Magnus Domellöf, Helena Nystrom Filipsson
INTRODUCTION: Iodine is essential for normal brain development. Moderate and severe fetal iodine deficiency results in substantial to serious developmental delay in children. Mild iodine deficiency in pregnancy is associated with neurodevelopmental deficits in the offspring, but evidence from randomised trials is lacking. The aim of the Swedish Iodine in Pregnancy and Development in Children study is to determine the effect of daily supplementation with 150 µg iodine during pregnancy on the offspring's neuropsychological development up to 14 years of age...
April 10, 2018: BMJ Open
https://www.readbyqxmd.com/read/29642923/association-of-maternal-serum-lipids-at-late-gestation-with-the-risk-of-neonatal-macrosomia-in-women-without-diabetes-mellitus
#20
Xiangxiang Wang, Qingbo Guan, Jiajun Zhao, Feifei Yang, Zhongshang Yuan, Yongchao Yin, Rui Fang, Lingwei Liu, Changting Zuo, Ling Gao
BACKGROUND: Macrosomia is a serious public health problem worldwide due to its increasing prevalence and adverse influences on maternal and neonatal outcomes. Maternal dyslipidemia exerts potential and adverse impacts on pregnant women and newborns. However, the association between maternal serum lipids and the risk of macrosomia has not yet been clearly elucidated. We explored the association between the maternal lipids profile at late gestation and the risk of having macrosomia among women without diabetes mellitus (DM)...
April 11, 2018: Lipids in Health and Disease
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