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Hypothyroidism AND Iodine

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https://www.readbyqxmd.com/read/28640139/a-prisma-compliant-systematic-review-and-meta-analysis-of-the-relationship-between-thyroid-disease-and-different-levels-of-iodine-intake-in-mainland-china
#1
Wanwen Weng, Mengjie Dong, Jun Zhan, Jun Yang, Bo Zhang, Xingdong Zhao
BACKGROUND: Low-iodine intake has historically been an issue in China, causing widespread iodine deficiency diseases (IDD). China started to introduce universal salt iodization in 1995, but reports of increased thyroid disease are a concern and appropriate levels of iodine intake must be considered. OBJECTIVE: To assess the prevalence of thyroid disease with different urinary iodine concentrations (UICs) in the general population of those residing in mainland China...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28638624/kikuchi-fujimoto-disease-a-case-report-of-a-multi-drug-resistant-grueling-disease
#2
Alexey Youssef, Rahaf Ali, Kinan Ali, Zuheir AlShehabi
Histiocytic necrotizing lymphadenitis or Kikuchi-Fujimoto disease (KFD) is characterized by its rare occurrence. Mostly prevalent among Asian women, KFD manifests with lymphadenopathy-affecting mostly cervical and rarely generalized or retroperitoneal regions-in addition to fever. It is a self-limited disease that resolves within 1-4 months, responding remarkably to glucocorticosteroids or hydroxychloroquine. However, some rare cases prove to be unresponsive to the previously mentioned therapies. Here is a description of a case of KFD affecting a 67-year-old Syrian woman with a history of hypothyroidism due to iodine-deficiency...
June 2017: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/28637498/incidence-of-thyroid-dysfunction-in-an-iranian-adult-population-the-predictor-role-of-thyroid-autoantibodies-results-from-a-prospective-population-based-cohort-study
#3
Ashraf Aminorroaya, Rokhsareh Meamar, Massoud Amini, Awat Feizi, Azamosadat Tabatabae, Elham Faghih Imani
BACKGROUND: The prevalence of thyroid dysfunction is high in Isfahan, an area of iodine sufficient in Iran. The aim of this study is to investigate the incidence of thyroid dysfunctions in adults of metropolitan Isfahan and to determine the role of thyroid autoantibodies. METHODS: In a population-based cohort study in 2006-2011, we measured TSH, T4, T3, thyroid peroxidase antibody (TPOAb), and thyroglobulin antibody (TgAb) in 618 out of 2254 people who were euthyroid in 2006...
June 21, 2017: European Journal of Medical Research
https://www.readbyqxmd.com/read/28633507/digenic-duox1-and-duox2-mutations-in-cases-with-congenital-hypothyroidism
#4
Zehra Aycan, Hakan Cangul, Marina Muzza, Veysel N Bas, Laura Fugazzola, V Krishna Chatterjee, Luca Persani, Nadia Schoenmakers
Context: The DUOX2 enzyme generates hydrogen peroxide (H2O2), a crucial electron acceptor for the TPO-catalyzed iodination and coupling reactions mediating thyroid hormone biosynthesis. DUOX2 mutations result in dyshormonogenetic Congenital Hypothyroidism (CH) which may be phenotypically heterogeneous, leading to the hypothesis that CH severity may be influenced by environmental factors (eg dietary iodine) and oligogenic modifiers (eg variants in the homologous NADPH-oxidase DUOX1). However, loss of function mutations in DUOX1 have not hitherto been described and its role in thyroid biology remains undefined...
June 16, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28620500/lugol-s-solution-induced-painless-thyroiditis
#5
Ji Wei Yang, Jacques How
Lugol's solution is usually employed for a limited period for thyroidectomy preparation in patients with Graves' disease and for the control of severe thyrotoxicosis and thyroid storm. We describe a rare case of Lugol's solution-induced painless thyroiditis. In November 2014, a 59-year-old woman was prescribed Lugol's solution four drops per day for the alleviation of menopausal symptoms. She was referred to our clinic in June 2015 for fatigue, hair loss, and a 20-lb weight loss without thyroid pain or discomfort...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28620499/intrauterine-death-following-intraamniotic-triiodothyronine-and-thyroxine-therapy-for-fetal-goitrous-hypothyroidism-associated-with-polyhydramnios-and-caused-by-a-thyroglobulin-mutation
#6
Pradeep Vasudevan, Corrina Powell, Adeline K Nicholas, Ian Scudamore, James Greening, Soo-Mi Park, Nadia Schoenmakers
In the absence of maternal thyroid disease or iodine deficiency, fetal goitre is rare and usually attributable to dyshormonogenesis, for which genetic ascertainment is not always undertaken in the UK. Mechanical complications include tracheal and oesophageal compression with resultant polyhydramnios, malpresentation at delivery and neonatal respiratory distress. We report an Indian kindred in which the proband (first-born son) had congenital hypothyroidism (CH) without obvious neonatal goitre. His mother's second pregnancy was complicated by fetal hypothyroid goitre and polyhydramnios, prompting amniotic fluid drainage and intraamniotic therapy (with liothyronine, T3 and levothyroxine, T4)...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28620494/endemic-goitre-and-hypothyroidism-in-an-adult-female-patient-dependent-on-total-parenteral-nutrition
#7
S Pearson, C Donnellan, L Turner, E Noble, K Seejore, R D Murray
We present the case of a thirty-year-old female patient who was referred to the endocrinology team with an enlarging goitre and biochemical hypothyroidism. She had been dependent on total parenteral nutrition for the previous six years as a result of intestinal failure thought to be caused by possible underlying mitochondrial disease. The patient also suffers from a Desmin myopathy, and at present, the exact aetiology behind her intestinal failure is not certain. The goitre was smooth and had been enlarging slowly over the previous few months...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28578598/hyperthyroidism-hypothyroidism-and-cause-specific-mortality-in-a-large-cohort-of-women
#8
Neige My Journy, Marie-Odile Bernier, Michele M Doody, Bruce H Alexander, Martha Linet, Cari Meinhold Kitahara
BACKGROUND: The prevalence of hyperthyroidism and hypothyroidism is 0.5-4% in iodine-replete communities, but 5-10 times higher in women than men. Those conditions are associated with a broad range of metabolic disorders and cardiovascular diseases. Biological evidence of a role of thyroid hormones in carcinogenesis also exists. However, the association between thyroid dysfunction and cardiovascular disease or cancer mortality risk remains controversial. In a large cohort of women, we evaluated the associations of hyperthyroidism and hypothyroidism with cause-specific mortality after nearly 30 years of follow-up...
June 3, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28577555/intake-of-boron-cadmium-and-molybdenum-enhances-rat-thyroid-cell-transformation
#9
Emilia Luca, Laura Fici, Anna Ronchi, Ferdinando Marandino, Esther Diana Rossi, Maria Emiliana Caristo, Pasqualino Malandrino, Marco Russo, Alfredo Pontecorvi, Riccardo Vigneri, Fabiola Moretti
BACKGROUND: Epidemiologic data in volcanic areas suggest that environmental factors might be involved in the increase of thyroid cancer (TC) incidence. Recent reports indicate that several heavy metals and metalloids are increased in volcanic areas. This study aims to evaluate the combined effect of three of these elements Boron (B), Cadmium (Cd), and Molybdenum (Mo) - all increased in the volcanic area of Mt. Etna, in Italy - on thyroid tumorigenesis in the rat. METHODS: Female Wistar rats prone to develop thyroid tumors by low-iodine diet and methimazole treatment received ad libitum drinking water supplemented with B, Cd, and Mo at concentrations in the range found in the urine samples of residents of the volcanic area...
June 2, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28572231/thyrotoxicosis-investigation-and-management%C3%A2
#10
Jackie Gilbert
Graves' disease (GD) and toxic nodular (TN) goitre account for most cases of thyrotoxicosis associated with hyperthyroidism. Hyperthyroidism is confirmed with measurement of a suppressed serum thyrotropin concentration (TSH) and elevated free thyroid hormones. The three therapeutic options are antithyroid drugs, radioactive iodine and surgery. Thionamides achieve long-term remission in 35% of cases. Many centres administer fixed doses of iodine-131; larger doses result in improved rates of cure at the cost of hypothyroidism...
June 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/28549315/associations-between-the-levels-of-thyroid-hormones-and-lipid-lipoprotein-levels-data-from-national-health-and-nutrition-examination-survey-2007-2012
#11
Ram B Jain
Data from National Health and Nutrition Examination Survey for the years 2007-2012 were used to investigate associations between thyroid hormones and lipid/lipoprotein levels for a representative sample of general US population aged ≥20 years. There were no statistically significant differences for adjusted high density lipoprotein levels among thyroid function groups, namely, subclinical hyperthyroid (SCHPR), clinical hyperthyroid (CHPR), euthyroid (EU), clinical hypothyroid (CHYP), and subclinical hypothyroid (SCHYP)...
May 4, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28537582/thyroid-homeostasis-in-mother-child-pairs-in-relation-to-maternal-iodine-status-the-misa-study
#12
V Berg, T H Nøst, G Skeie, Y Thomassen, B Berlinger, A S Veyhe, R Jorde, J Ø Odland, S Hansen
BACKGROUND/OBJECTIVES: Iodine deficiency during pregnancy may influence maternal and foetal thyroid function with the risk of causing neurocognitive and psychomotor deficits in the offspring. The objective of this study was to assess iodine status in pregnant women from Northern Norway and to investigate the influence of iodine status on maternal and infant thyroid function. SUBJECTS/METHODS: Women from the Northern Norway Mother-and-Child contaminant Cohort Study (MISA) donated a blood and urine sample at three visits during their pregnancy and postpartum period (in second trimester, 3 days and 6 weeks after delivery...
May 24, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28529524/antithyroid-drug-therapy-for-graves-disease-and-implications-for-recurrence
#13
REVIEW
Jia Liu, Jing Fu, Yuan Xu, Guang Wang
Graves' disease (GD) is the most common cause of hyperthyroidism worldwide. Current therapeutic options for GD include antithyroid drugs (ATD), radioactive iodine, and thyroidectomy. ATD treatment is generally well accepted by patients and clinicians due to some advantages including normalizing thyroid function in a short time, hardly causing hypothyroidism, and ameliorating immune disorder while avoiding radiation exposure and invasive procedures. However, the relatively high recurrence rate is a major concern for ATD treatment, which is associated with multiple influencing factors like clinical characteristics, treatment strategies, and genetic and environmental factors...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28471294/excessive-iodine-intake-and-thyrotropin-reference-interval-data-from-the-korean-national-health-and-nutrition-examination-survey
#14
Min Ji Jeon, Won Gu Kim, Hyemi Kwon, Mijin Kim, Suyeon Park, Hye-Seon Oh, Minkyu Han, Tae Yong Kim, Young Kee Shong, Won Bae Kim
BACKGROUND: Iodine intake is associated with various thyroid diseases and serum thyrotropin (TSH) levels. The aim of this study was to investigate iodine intake and its impact on the distribution of serum TSH levels using nationwide data from Korea, a country known to be iodine replete. METHODS: The sixth Korean National Health and Nutrition Examination Survey (2013-2015) is a nationwide, cross-sectional survey of the Korean general population. Participants were selected using two-stage stratified cluster sampling of the population and housing census data...
May 30, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28458899/takotsubo-cardiomyopathy-in-amiodarone-induced-hyperthyroidism
#15
Ismael Capel, Elisabet Tasa-Vinyals, Albert Cano-Palomares, Irene Bergés-Raso, Lara Albert, Mercedes Rigla, Assumpta Caixàs
SUMMARY: Takotsubo cardiomyopathy (TC) is an atypical, severe but reversible form of acute heart insufficiency. It typically presents with left ventricular failure, transient apical and mid-segments hypokinesis, absence of significant coronary stenosis and new electrographic abnormalities and/or elevation in serum cardiac enzymes. Although TC ('broken heart syndrome') has classically been associated with emotional trauma, evidence suggests that other precipitants might exist, including iatrogenic and thyroid-mediated forms...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28447527/serum-thyroid-hormone-levels-among-chinese-pregnant-women
#16
Yunxian Yu, Xiawei Li, Shuying Jiang, Wen Jiang, Jinhua Wu, Zhaopin Wang, Shuojia Wang, Minchao Li, Haigeng Xu, Yun Lv, Jinxing Jiang, Yongfeng Ding, Boer Zhang
AIM: The aim of this study is to examine gestational serum thyroid hormone levels and influencing factors among Chinese pregnant women with high dietary iodine intake. METHODS: The study was conducted from 2011 and 2013 in Zhoushan Women & Children's Hospital, Zhejiang, China. A total of 1991 pregnant women were enrolled and their serum levels of free thyroid hormones (FT4, FT3, and TSH) were detected by chemiluminescence method. RESULTS: Gestational serum FT4 and FT3 decreased with gestational week while TSH increased...
April 27, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28412871/the-effect-of-oil-and-water-soluble-contrast-medium-in-hysterosalpingography-on-thyroid-function
#17
Shuhei So, Wakasa Yamaguchi, Hiroko Tajima, Takeshi Nakayama, Naoaki Tamura, Naohiro Kanayama, Fumiko Tawara
Hysterosalpingography (HSG) using iodinated contrast medium is X-ray diagnostic test that examines the inside of the uterus and fallopian tubes in infertile women. In this study, we compared thyroid function (thyroid stimulating hormone: TSH and free-T4: FT4 levels) after HSG with an oil-soluble contrast medium (OSCM) and a water-soluble contrast medium (WSCM). One hundred and sixty-four and 94 patients with normal thyroid function received HSG with OSCM and WSCM, respectively. Approximately 25% of the women in the OSCM group developed subclinical hypothyroidism (SCH), whereas only less than 10% of the patients in the WSCM group developed SCH...
April 17, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28398380/-amiodarone-induced-thyrotoxicosis
#18
Fausto Bogazzi, Luca Tomisti, Vitantonio Di Bello, Enio Martino
Amiodarone-induced thyroid dysfunction occurs in about 15-20% of patients under amiodarone therapy. Amiodarone-induced hypothyroidism (AIH) can develop in patients with an apparently normal thyroid gland or in those with an underlying chronic autoimmune thyroiditis. On a clinical ground, AIH is not challenging and can be easily treated with L-thyroxine therapy. Amiodarone-induced thyrotoxicosis (AIT) can occur in patients with (AIT 1) or without (AIT 2) an underlying thyroid disease. AIT 1 is a true iodine-induced hyperthyroidism occurring in patients with an underlying thyroid autonomy while AIT 2 is a drug-induced destructive thyroiditis...
March 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28379113/comparison-of-health-parameters-in-normal-cats-fed-a-limited-iodine-prescription-food-vs-a-conventional-diet
#19
Inke Paetau-Robinson, Lynda D Melendez, S Dru Forrester, Laura J Armbrust, Kent R Refsal, Patricia A Burris
Objectives The objective was to compare the effect on thyroid function in healthy, adult cats fed a limited iodine food or conventional diet for 24 months. Methods Cats in the limited iodine group (n = 14) were fed a commercial, dry food containing 0.2 ppm iodine on a dry-matter basis (DMB). Cats in the conventional diet group (n = 12) were fed an identical diet except that the iodine content was 3.2 ppm on a DMB. Both groups were maintained on their respective diets for 24 months. The median age of the cats at baseline was 3...
April 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28373861/environmental-issues-in-thyroid-diseases
#20
REVIEW
Silvia Martina Ferrari, Poupak Fallahi, Alessandro Antonelli, Salvatore Benvenga
Environmental factors are determinant for the appearance of autoimmune thyroid diseases (AITD) in susceptible subjects. Increased iodine intake, selenium, and vitamin D deficiency, exposure to radiation, from nuclear fallout or due to medical radiation, are environmental factors increasing AITD. Cigarette smoking is associated with Graves' disease and Graves' ophthalmopathy, while it decreases the risk of hypothyroidism and thyroid autoimmunity. Viral infections are important environmental factors in the pathogenesis of AITD, too, particularly human parvovirus B19 (EVB19) and hepatitis C virus...
2017: Frontiers in Endocrinology
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