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Hypothyroidism AND Iodine

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https://www.readbyqxmd.com/read/29903225/-status-of-lactating-women-s-iodine-nutrition-and-thyroid-function-in-different-iodine-nutrition-level-of-children-in-gansu-province
#1
Yugui Dou, Yanling Wang, Wei Sun, Yongqin Cao, Xiaonan Zhu, Jing Zheng
OBJECTIVE: To assess the iodine nutrition and thyroid function of lactatingwomen in different iodine nutrition level of children in Gansu Province, and provide a scientific basis for iodine supplementation. METHODS: Liangzhou district( the median urinary iodine was greater than or equal to 300 g/L), Linze county( the median urinary iodine was from 200 to 299 g/L) and Huating county( the median urinary iodine was from100 to 199 g/L) were selected according to 8-10 years old children urinary iodine in2009...
January 2018: Wei Sheng Yan Jiu, Journal of Hygiene Research
https://www.readbyqxmd.com/read/29895366/effect-of-maternal-and-neonatal-factors-on-neonatal-thyroid-stimulating-hormone-results-from-a-population-based-prospective-cohort-study-in-china
#2
Yixin Zhang, Cong Du, Wei Wang, Wen Chen, Ping Shao, Chongdan Wang, Junhong Leng, Jun Shen, Long Tan, Wanqi Zhang
OBJECTIVE: Neonatal TSH screening is effective in detecting congenital hypothyroidism and estimating iodine status in a given population, but various factors influence TSH levels. The aim of this study was to evaluate the effect of maternal and neonatal factors on neonatal TSH levels. DESIGN AND SETTING: Data were obtained from an ongoing prospective cohort study. A total of 988 pregnant women and their newborn infants participated in the study from April 2015 to May 2017 at Tianjin Maternal and Child Health Center and Tanggu Maternity Hospital in Tianjin, China...
September 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29882490/urinary-iodine-concentrations-and-mortality-among-u-s-adults
#3
Kosuke Inoue, Angela M Leung, Takehiro Sugiyama, Tetsuro Tsujimoto, Noriko Makita, Masaomi Nangaku, Beate R Ritz
BACKGROUND: Iodine deficiency has long been recognized as an important public health problem. Global approaches such as salt iodization that aim to overcome iodine deficiency have been successful. Meanwhile, they have led to excessive iodine consumption in some populations, thereby increasing the risks of iodine-induced thyroid dysfunction, as well as the comorbidities and mortality associated with hypothyroidism and hyperthyroidism. We aimed to elucidate whether iodine intake is associated with mortality among U...
June 8, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29882483/cardiovascular-morbidity-and-mortality-after-treatment-of-hyperthyroidism-with-either-radioactive-iodine-or-thyroidectomy
#4
Essi Ryodi, Saara Metso, Heini Huhtala, Matti Välimäki, Anssi Auvinen, Pia Jaatinen
BACKGROUND Hyperthyroid patients remain at an increased risk of cardiovascular diseases (CVDs) after restoring euthyroidism. The impact of the different treatment modalities of hyperthyroidism on future CVD risk remains unclear. The aim of this paper is to assess cardiovascular morbidity and mortality in hyperthyroidism before and after the treatment, and to compare the effects of two different treatment modalities, radioactive iodine (RAI) and thyroid surgery. METHODS A comparative cohort study was conducted among 6,148 hyperthyroid patients treated either with RAI or thyroidectomy, and 18,432 age- and gender-matched controls...
June 8, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29875930/pattern-of-presentation-of-graves-disease-and-response-to-radioiodine-therapy-in-south-african-men
#5
Yetunde Ajoke Onimode, David Magbagbeola Dairo, Annare Ellmann
Introduction: Typically hyperthyroidism has been more often associated with the female gender. There is a large female predilection (male:female sex ratio up to 1:10), with little documentation in the literature about wholly male hyperthyroid populations. A male incidence of 0.7 per 100, 000 has been reported for South African men while the women have a relatively higher rate of 0.02. There is no documented evidence between male and female genders in response to treatment of PH with radioactive iodine (RAI), although operational evidence suggests that hyperthyroidism in males is less amenable to RAI treatment (RAIT) than females...
2018: Pan African Medical Journal
https://www.readbyqxmd.com/read/29860803/-prevalence-of-thyroid-function-in-pregnant-and-lactating-women-in-areas-with-different-iodine-levels-of-shanxi-province
#6
Y T Ren, Q Z Jia, X D Zhang, B S Guo, F F Zhang, X T Cheng, Y P Wang
Objective: To investigate the effects of high iodine intake on thyroid function in pregnant and lactating women. Methods: A cross sectional epidemiological study was conducted among 130 pregnant women and 220 lactating women aged 19-40 years in areas with high environment iodine level (>300 μg/L) or proper environment iodine level (50-100 μg/L) in Shanxi in 2014. The general information, urine samples and blood samples of the women surveyed and water samples were collected. The water and urine iodine levels were detected with arsenic and cerium catalysis spectrophotometric method, the blood TSH level was detected with electrochemiluminescence immunoassay, and thyroid stimulating hormone (FT(4)), antithyroid peroxidase autoantibody (TPOAb) and anti-thyroglobulin antibodies (TGAb) were detected with chemiluminescence immunoassay...
May 10, 2018: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/29807945/does-the-use-of-an-iodine-containing-contrast-agent-to-visualise-the-picc-tip-in-preterm-babies-cause-hypothyroidism-a-randomised-controlled-trial
#7
Chandra Prakash Rath, Mary Thomas, Drew Sullivan, Martin Kluckow
AIM: To compare thyroid function tests in preterm neonates (<30 weeks and >48 hour old) exposed to iodine-based contrast with controls and ascertain the certainty of peripherally inserted central catheter (PICC) tip position. METHODS: Infants requiring a PICC were randomised to receive 0.3 mL of iodine-containing contrast or normal saline. The primary outcome was the difference in thyroid-stimulating hormone (TSH) levels on day 14 post PICC insertion and on day 28 of life...
May 28, 2018: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/29794372/effect-of-radioactive-iodine-induced-hypothyroidism-on-longitudinal-bone-growth-during-puberty-in-immature-female-rats
#8
Hyeonhae Choi, Ki-Young Ryu, Jaesook Roh, Jaeman Bae
Thyroid cancer in children, the most common endocrine malignancy, shows aggressive behavior and has a high recurrence rate after surgical ablation. Radioactive iodine (RAI) treatment is the most effective primary modality for medical ablation of juvenile thyroid cancer, and leads to intentional hypothyroidism. Although several negative impacts of hypothyroidism have been reported in children in response to other antithyroid agents, the combined effects of RAI exposure and hypothyroidism, on growing bones specifically, are unknown...
May 22, 2018: Experimental Animals
https://www.readbyqxmd.com/read/29793782/amiodarone-induced-myxedema-coma-two-case-reports-and-literature-review
#9
Amer Hawatmeh, Mohammad Thawabi, Ahmad Abuarqoub, Fayez Shamoon
Amiodarone is a benzofuran derivative that contains 37% iodine by weight and is structurally similar to the thyroid hormones. Amiodarone has a complex effect on the thyroid gland, ranging from abnormalities of thyroid function tests to overt thyroid dysfunction, with either thyrotoxicosis or hypothyroidism. Myxedema coma secondary to amiodarone use has been rarely reported in the literature. Our two case reports are an add on to the literature, and illustrate that amiodarone is an important cause of thyroid dysfunction including hypothyroidism and myxedema coma...
May 21, 2018: Heart & Lung: the Journal of Critical Care
https://www.readbyqxmd.com/read/29791909/iodine-induced-fetal-hypothyroidism-diagnosis-and-treatment-with-intra-amniotic-levothyroxine
#10
Macy T Hardley, Andrew H Chon, Jorge Mestman, Caroline T Nguyen, Mitchell E Geffner, Ramen H Chmait
BACKGROUND: Iodine is necessary for fetal thyroid development. Excess maternal intake of iodine can cause fetal hypothyroidism due to the inability to escape from the Wolff-Chaikoff effect in utero. CASE REPORT: We report a case of fetal hypothyroid goiter secondary to inadvertent excess maternal iodine ingestion from infertility supplements. The fetus was successfully treated with intra-amniotic levothyroxine injections. Serial fetal blood sampling confirmed fetal escape from the Wolff-Chaikoff effect in the mid third trimester...
May 23, 2018: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/29778126/is-parenteral-levothyroxine-therapy-safe-in-intractable-hypothyroidism
#11
Hande Peynirci, Bengur Taskiran, Erdinc Erturk, Pınar Sisman, Canan Ersoy
CASE: A 32-year old woman was admitted to the hospital due to intractable hypothyroidism refractory to high dose of oral l-thyroxine therapy. She underwent total thyroidectomy and radioactive iodine therapy due to papillary thyroid cancer. After excluding poor adherence to therapy and malabsorption, levothyroxine absorption test was performed. No response was detected. Transient neurologic symptoms developed during the test. She developed 3 attacks consisting of neurologic symptoms during high dose administration...
June 2018: Journal of the National Medical Association
https://www.readbyqxmd.com/read/29777899/congenital-dyshormonogenic-hypothyroidism-with-goiter-caused-by-a-sodium-iodide-symporter-slc5a5-mutation-in-a-family-of-shih-tzu-dogs
#12
E A Soler Arias, V A Castillo, J D Garcia, J C Fyfe
An iodide transport defect (ITD) in the thyroid gland was determined to cause congenital dyshormonogenic hypothyroidism with goiter (CDHG) in 2 members of a family of Shih-Tzu dogs. Strikingly, both dogs were also diagnosed with dilated cardiomyopathy at 24 and 1.5 mo of age. The only sign of hypothyroidism was a moderate growth delay in the adult dog. The ITD was recognized by the absence of uptake of technetium-99m in the salivary glands (sg) and goiter observed by scintigraphy. In the same scan, radiopharmaceutical uptake was found in the anterior mediastinum of both dogs and in the right axillary lymph node in the oldest dog...
April 24, 2018: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/29767700/effects-of-iodized-salt-and-iodine-supplements-on-prenatal-and-postnatal-growth-a-systematic-review
#13
Jessica Farebrother, Celeste E Naude, Liesl Nicol, Zhongna Sang, Zhenyu Yang, Pieter L Jooste, Maria Andersson, Michael B Zimmermann
Hypothyroidism due to iodine deficiency can impair physical development, most visibly in the marked stunting of myxedematous cretinism caused by severe in utero iodine deficiency. Whether iodine repletion improves growth in noncretinous children is uncertain. Therefore, the aim of our systematic review was to assess the effects of iodine fortification or supplementation on prenatal and postnatal growth outcomes in noncretinous children. Following Cochrane methods and PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) reporting guidelines, we searched 10 databases including 2 Chinese databases (latest search February 2017)...
May 1, 2018: Advances in Nutrition
https://www.readbyqxmd.com/read/29766681/evaluation-of-thyroid-hormone-levels-and-urinary-iodine-concentrations-in-koreans-based-on-the-data-from-korea-national-health-and-nutrition-examination-survey-vi-2013-to-2015
#14
REVIEW
Jae Hoon Chung
No nationwide data have been published about thyroid hormone levels and urinary iodine concentrations (UICs) in Korea. The Korea Centers for Disease Control and Prevention and the Korean Thyroid Association established a project to evaluate the nationwide thyroid hormone profile and UICs in healthy Koreans as part of the Korea National Health and Nutrition Examination Survey (KNHANES) VI (2013 to 2015), a nationwide, cross-sectional survey of the Korean population that enrolled 7,061 individuals who were weighted to represent the entire Korean population...
May 4, 2018: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29759035/a-novel-missense-mutation-in-slc5a5-gene-in-a-sudanese-family-with-congenital-hypothyroidism
#15
Yui Watanabe, Reham Shareef Ebrhim, Mohamed A Abdullah, Roy E Weiss
Thyroid hormone synthesis requires the presence of iodide. The sodium iodide symporter (NIS) is a glycoprotein which mediates the active uptake of iodide from the blood stream into the thyroid grand. NIS defects due to SLC5A5 gene mutations are known to cause congenital hypothyroidism (CH). The proposita is a 28-year-old female whose origin is the North Sudan where neonatal screening for CH is not available. She presented with severe constipation and a goiter at the age of 40 days. Laboratory testing confirmed CH and she was started on levothyroxine (L-T4)...
May 15, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29755326/transient-hypothyroidism-during-lactation-arrests-myelination-in-the-anterior-commissure-of-rats-a-magnetic-resonance-image-and-electron-microscope-study
#16
Federico S Lucia, Jesús Pacheco-Torres, Susana González-Granero, Santiago Canals, María-Jesús Obregón, José M García-Verdugo, Pere Berbel
Thyroid hormone deficiency at early postnatal ages affects the cytoarchitecture and function of neocortical and telencephalic limbic areas, leading to impaired associative memory and in a wide spectrum of neurological and mental diseases. Neocortical areas project interhemispheric axons mostly through the corpus callosum and to a lesser extent through the anterior commissure (AC), while limbic areas mostly project through the AC and hippocampal commissures. Functional magnetic resonance data from children with late diagnosed congenital hypothyroidism and abnormal verbal memory processing, suggest altered ipsilateral and contralateral telencephalic connections...
2018: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/29754056/nitric-oxide-is-involved-in-the-hypothyroidism-with-significant-morphology-changes-in-female-wistar-rats-induced-by-chronic-exposure-to-high-water-iodine-from-potassium-iodate
#17
Shengzhong Rong, Yanhui Gao, Yanmei Yang, Hanwen Shao, Akinkunmi Paul Okekunle, Chunpeng Lv, Yang Du, Hongna Sun, Yuting Jiang, Gottfried M Darko, Dianjun Sun
Epidemiological studies indicated that chronic exposure to high water iodine is associated with primary hypothyroidism (PH) and subclinical hypothyroidism (SCH). However, the mechanism is not well understood. In this study, we explored whether chronic exposure to high water iodine from potassium iodate (KIO3 ) can induce hypothyroidism in addition to determining if nitric oxide (NO) is involved in the pathogenesis. 96 female Wistar rats were divided into six groups: control, I1000μg/L , I3000μg/L , I6000μg/L , N-nitro-L-arginine methylester (L-NAME) and L-NAME+I6000μg/L ...
May 3, 2018: Chemosphere
https://www.readbyqxmd.com/read/29738593/bilateral-keratoconus-induced-by-secondary-hypothyroidism-after-radioactive-iodine-therapy
#18
Ramon Lee, Farhad Hafezi, J Bradley Randleman
PURPOSE: To present a case of new-onset, bilateral, rapidly progressive keratoconus induced by secondary hypothyroidism after radioactive iodine therapy during the sixth decade of life that was successfully treated with corneal cross-linking. METHODS: Case report and literature review. RESULTS: A 53-year-old woman with no ocular complaints but with a history of Graves' disease and thyrotoxicosis was treated with radioactive iodine therapy and oral levothyroxine for secondary acquired hypothyroidism 3 years prior...
May 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29737268/evaluation-and-management-of-the-child-with-hypothyroidism
#19
Alexander A C Leung, Alexander K C Leung
BACKGROUND: Thyroid hormones are critical for early neurocognitive development as well as growth and development throughout childhood. Prompt recognition and treatment of hypothyroidism is therefore of utmost importance to optimize physical and neurodevelopmental outcomes. OBJECTIVE: To review in depth the evaluation, diagnosis, and treatment of hypothyroidism in children. METHODS: A PubMed search was completed in Clinical Queries using the key term "hypothyroidism"...
May 8, 2018: Recent Patents on Endocrine, Metabolic & Immune Drug Discovery
https://www.readbyqxmd.com/read/29737233/excessive-iodine-intake-and-subclinical-hypothyroidism-in-children-and-adolescents-aged-6-19-years-results-of-the-sixth-korean-national-health-and-nutrition-examination-survey-knhanes-2013-2015
#20
Min Jae Kang, Il Tae Hwang, Hye Rim Chung
BACKGROUND: Iodine is an important element for the thyroid hormone production, and its deficiency or excessive intake is associated with various thyroid diseases. Little is known about the association between iodine status and thyroid function among children and adolescents living in iodine-rich areas, therefore, we analyzed this association using data from a nationwide survey. METHODS: From the Korea National Health and Nutrition Examination Surveys (KNHANES) VI (2013-2015) data, 1288 subjects (711 male) aged 6-19 years who underwent urinary iodine concentration (UIC) test and 1000 subjects (564 male) aged 10-19 years who underwent thyroid function test were included in this study...
May 8, 2018: Thyroid: Official Journal of the American Thyroid Association
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