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TSH AND Iodine

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https://www.readbyqxmd.com/read/29166388/associations-between-thyroid-dysfunction-and-developmental-status-in-children-with-excessive-iodine-status
#1
Inger Aakre, Tor A Strand, Khalil Moubarek, Ingrid Barikmo, Sigrun Henjum
BACKGROUND AND OBJECTIVE: Adequate iodine status and normal thyroid hormone synthesis are important for optimal child development. In this study, we explored whether young children's developmental status is associated with thyroid dysfunction in an area of chronic excessive iodine exposure. METHODS: We included 298 children between 18 and 48 months of age residing in Algerian refugee camps. Early child development was measured using the Ages and Stages Questionnaires, third edition (ASQ-3), consisting of five domains: Communication, Gross Motor, Fine Motor, Problem Solving and Personal-Social...
2017: PloS One
https://www.readbyqxmd.com/read/29164514/high-urinary-iodine-thyroid-autoantibodies-and-thyroid-stimulating-hormone-for-papillary-thyroid-cancer-risk
#2
Hengqiang Zhao, Hehe Li, Tao Huang
Thyroid nodules have become a common clinical problem, and the clinical importance of thyroid nodules lies in the determination of thyroid cancer. This study aims to evaluate the risk factors for papillary thyroid cancer (PTC) with regard to urinary iodine concentration (UIC), thyroid-stimulating hormone (TSH), thyroid peroxidase antibody (TPOAb), and thyroglobulin antibody (TGAb) in comparison to thyroid nodular goiter (NG). Among the 2041 patients, 43.8% of which showed more than adequate (UIC 200-299 μg/L) and excessive iodine (UIC ≥ 300...
November 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29144795/relationship-between-the-effectiveness-of-inorganic-iodine-and-the-severity-of-graves-thyrotoxicosis-a-retrospective-study
#3
Akira Honda, Toyoyoshi Uchida, Koji Komiya, Hiromasa Goto, Kageumi Takeno, Junko Sato, Ruriko Suzuki, Miwa Himuro, Hirotaka Watada
OBJECTIVE: Inorganic iodine is often used to treat patients with Graves' thyrotoxicosis who do not tolerate thionamides due to adverse effects. However, predictors of continued inorganic iodine efficacy have not been fully elucidated yet. This study aimed to investigate the factors affecting the continued efficacy of potassium iodide (KI) in patients with Graves' thyrotoxicosis. METHODS: In this study, among 1197 patients with Graves' disease who were initially treated with thionamides, we retrospectively studied 24 consecutive Japanese patients whose treatment were changed to KI alone due to the adverse effects of thionamides...
November 16, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/29142837/preoperative-management-in-patients-with-graves-disease
#4
REVIEW
Eliana Piantanida
Graves' disease is the most frequent cause of hyperthyroidism in iodine-sufficient geographical areas and is characterized by the presence in patients' serum of autoantibodies directed against the thyrotropin receptor (TRAb) that cause overproduction and release of thyroid hormones. Clinical presentation results from both hyperthyroidism and underlying autoimmunity. The diagnosis is based on characteristic clinical features and biochemical abnormalities. If serum thyrotropin (TSH) is low, serum free thyroxine (FT4) and free triiodothyronine (FT3) concentrations should be measured to distinguish between subclinical (with normal circulating thyroid hormones) and overt hyperthyroidism (with increased circulating thyroid hormones)...
October 2017: Gland Surgery
https://www.readbyqxmd.com/read/29142304/maternal-exposure-to-iodine-excess-throughout-pregnancy-and-lactation-induces-hypothyroidism-in-adult-male-rat-offspring
#5
Caroline Serrano-Nascimento, Rafael Barrera Salgueiro, Thiago Pantaleão, Vânia Maria Corrêa da Costa, Maria Tereza Nunes
This study aimed to investigate the consequences of maternal exposure to iodine excess (IE; 0.6 mg NaI/L) throughout pregnancy and lactation on the hypothalamus-pituitary-thyroid axis of the male offspring in adulthood. Maternal IE exposure increased hypothalamic Trh mRNA expression and pituitary Tsh expression and secretion in the adult male offspring. Moreover, the IE-exposed offspring rats presented reduced thyroid hormones levels, morphological alterations in the thyroid follicles, increased thyroid oxidative stress and decreased expression of thyroid differentiation markers (Tshr, Nis, Tg, Tpo, Mct8) and thyroid transcription factors (Nkx2...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29084139/the-impact-of-iodine-status-on-the-recall-rate-of-the-screening-program-for-congenital-hypothyroidism-findings-from-two-national-studies-in-iran
#6
Ladan Mehran, Shahin Yarahmadi, Davood Khalili, Pantea Nazeri, Hossein Delshad, Zahra Abdollahi, Nasrin Azhang, Fereidoun Azizi
Back ground: Iodine deficiency is one of the important factors in increasing the recall rate in congenital hypothyroidism (CH) screening programs. The present study assessed whether the iodine status of the general population may predict the recall rate or vice versa. METHODS: In the current national study, among 1,382,229 live births delivered between March 2010 and March 2011, 1,288,237 neonates were screened for detecting CH by TSH (thyroid stimulating hormone) measurement via heel prick sampling...
October 30, 2017: Nutrients
https://www.readbyqxmd.com/read/29080462/effect-of-broccoli-sprouts-on-thyroid-function-haematological-biochemical-and-immunological-parameters-in-rats-with-thyroid-imbalance
#7
Paweł Paśko, Mirosław Krośniak, Ewelina Prochownik, Małgorzata Tyszka-Czochara, Maria Fołta, Renata Francik, Jakub Sikora, Mateusz Malinowski, Paweł Zagrodzki
Broccoli sprouts may exert a negative influence on thyroid function as they are a rich source of glucosinolates, in particular glucoraphanin. Under the study in a long-term experiment broccoli sprouts were tested as an element of rats diet, combined with deficient iodine, or sulfadimethoxine ingestion - two models of hypothyroidism. Evaluations were performed for serum TSH and thyroid hormones completed with analyzes of selected haematological, biochemical and immunological (IL-6, IL-10) parameters, as well as cytosolic glutathione peroxidase (GPX1), thioredoxin reductase (TR) in the thyroid, and plasma glutathione peroxidase (GPX3)...
October 25, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29071235/effects-of-thyroid-hormone-on-urinary-concentrating-ability
#8
Elske T Massolt, Mahdi Salih, Carolien M Beukhof, Boen L R Kam, J W Burger, W Edward Visser, Ewout J Hoorn, Robin P Peeters
BACKGROUND: Hypothyroidism has been associated with impaired urinary concentrating ability. However, previous reports on thyroid hormone and urinary concentrating ability in humans only studied a limited number of patients with autoimmune thyroid disease or used healthy controls instead of paired analysis within the same patients. OBJECTIVE: To study the urinary concentrating ability in athyreotic patients with differentiated thyroid cancer on and off levothyroxine treatment as they are exposed to different thyroid states as part of their treatment in the absence of an autoimmune disease...
September 2017: European Thyroid Journal
https://www.readbyqxmd.com/read/29063209/interrelationship-between-iodine-nutritional-status-of-lactating-mothers-and-their-absolutely-breast-fed-infants-in%C3%A2-coastal%C3%A2-districts-of%C3%A2-gangetic%C3%A2-west-bengal-in-india
#9
N Pal, S K Samanta, A Chakraborty, N K Chandra, A K Chandra
Iodine nutritional status of 128 lactating mothers and their breast-fed infants (1-3 months) from iodine-replete villages during post-salt iodization period was evaluated. Mothers' urine, blood, and breast milk (BM) and infants' urine and blood were collected and analyzed for iodine and serum FT4 and TSH estimation. Mothers' and infants' age, parity, occupation, education, and household income were recorded. Median urinary iodine concentration (UIC) of infants was 250 μg/L, indicating their iodine intake was more than adequate...
October 23, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29039321/assessment-of-thyroid-hormone-levels-and-thyroid-disorders-a-case-study-from-gujranwala-pakistan
#10
Narjis Naz, Shakera Khatoon Rizvi, Zubi Sadiq
This case study is conducted to investigate the thyroid hormone levels and relevant disorders including evaluation of dietary conditions in the rural area of Gujranwala and its surrounding districts. Thyroid disorders are clinically prevalent and their manifestation differs considerably with geographical variations. A randomized study of 177 subjects was carried out, with a questionnaire about their dietary habits/life style and acquisition of blood samples for thyroid hormone level assessment using radioimmunoassay technique...
July 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29033409/evaluation-of-serum-ferritin-and-thyroid-function-in-the-second-trimester-of-pregnancy
#11
Leqi He, Chunmei Shen, Yanan Zhang, Zaoping Chen, Heyuan Ding, Jun Liu, Bingbing Zha
Ferritin is a universal intracellular protein that acts as an iron carrier. Several studies have indicated that iron deficiency affects thyroid function in non-pregnant women. Our objective was to assess the relationship between serum ferritin levels and thyroid function in pregnant women during the second trimester. Pregnant women with sufficient iodine intake and normal antithyroid antibodies during the second trimester were recruited from the obstetric outpatient department of the Fifth People's Hospital of Fudan University...
October 13, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/29023978/weight-gain-after-treatment-of-graves-disease-in-children
#12
G Todd Alonso, Shona Rabon, Perrin C White
OBJECTIVE: The frequency of and risk factors for weight gain in children treated for Graves disease have not been described. We evaluated change in BMI Z score and predictors of weight gain in this population. DESIGN: Retrospective review of data from January 2000 to July 2011. PATIENTS: 222 children and adolescents with Graves' disease (ages 2-18 years) evaluated following radioactive iodine administration (RAI) (n=101), thyroidectomy (n=9), and initiation of medical therapy (n=112)...
October 12, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29016579/iodine-and-thyroid-function-status-and-anti-thyroid-peroxidase-antibody-among-pregnant-women-in-eastern-nepal
#13
Lalit Narayan Chaudhary, Saroj Khatiwada, Basanta Gelal, Sharad Gautam, Madhab Lamsal, Hanoon Pokharel, Nirmal Baral
BACKGROUND: Iodine deficiency, thyroid dysfunction and development of thyroid autoimmunity during pregnancy may affect mother and the developing fetus. This study was carried out to find iodine status, thyroid dysfunction and thyroid autoimmunity among pregnant women. METHODS: Ninety two pregnant women from three districts of eastern Nepal (Sunsari, Morang and Jhapa) were enrolled for the study, and urine and blood samples were collected. Urinary iodine concentration (UIC), free thyroxine (free T4), thyroid stimulating hormone (TSH), thyroglobulin and anti-thyroid peroxidase (TPO) antibody levels were estimated...
September 8, 2017: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/28989881/iodine-status-among-subclinical-and-overt-hypothyroid-patients-by-urinary-iodine-assay-a-case-control-study
#14
Uma Shrestha, Narayan Gautam, Krishna Kumar Agrawal, Amit Chandra Jha, Archana Jayan
OBJECTIVES: The objective of the study was to assess the differences of iodine status as measured by urinary iodine excretion (UIE) between cases of hypothyroidism and healthy controls. MATERIALS AND METHODS: The study was conducted in cases with subclinical hypothyroidism (n = 58) and overt hypothyroidism (n = 41) and compared with age- and sex-matched healthy euthyroid controls (n = 52) attending Universal College of Medical Sciences Teaching Hospital, Bhairahawa, Nepal...
September 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28965575/severe-selenium-deficits-in-pregnant-women-irrespective-of-autoimmune-thyroid-disease-in-an-area-with-marginal-selenium-intake
#15
Urszula Ambroziak, Sandra Hybsier, Urszula Shahnazaryan, Małgorzata Krasnodębska-Kiljańska, Eddy Rijntjes, Zbigniew Bartoszewicz, Tomasz Bednarczuk, Lutz Schomburg
OBJECTIVES: Selenium (Se) deficiency is related to an increased risk of preterm labor, miscarriage, preeclampsia, gestational diabetes, and other obstetric complications. As the Se status declines during pregnancy, we hypothesized that the decline may be exacerbated in women with autoimmune thyroid disease (AITD). MATERIAL AND METHODS: Pregnant women (n=74; 30 [23-38] years) were consecutively recruited from the district of Warsaw, Poland, and divided into healthy subjects (HS, n=45), and women with a diagnosis of AITD (AITD, n=29)...
December 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28965562/arsenic-in-seafood-is-associated-with-increased-thyroid-stimulating-hormone-tsh-in-healthy-volunteers-a-randomized-controlled-trial
#16
M Molin, S M Ulven, L Dahl, A-K Lundebye, M Holck, J Alexander, H M Meltzer, T A Ydersbond
BACKGROUND: Exposure to exogenous elements like arsenic (As) may influence thyroid enzymes, thyroid-stimulating hormone (TSH), and the two principal thyroid hormones, free thyroxine (FT4) and free triiodothyronine (FT3), but little is known about how this is related to organic arsenicals, the main form in seafood. AIM: To investigate whether a high intake of dietary arsenic from seafood can impact thyroid function and thyroid hormones by examining possible associations with changes in TSH, FT4, FT3 and the FT4:FT3-ratio in plasma...
December 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28944001/recurrent-graves-hyperthyroidism-after-prolonged-radioiodine-induced-hypothyroidism
#17
REVIEW
Fariha Salman, Hooman Oktaei, Solomon Solomon, Ebenezer Nyenwe
BACKGROUND: Radioactive iodine (RAI) is the most cost effective therapy for Graves' disease (GD). Patients with GD who have become hypothyroid after therapeutic RAI, rarely develop recurrence of disease. Herein we describe a case of recurrence of thyrotoxicosis after 2 years of hypothyroidism. METHODS: We present the clinical features, laboratory findings, imaging and management of an unusual case of recurrent hyperthyroidism. RESULTS: A 48-year-old male presented to the emergency room with a 2-day history of palpitation, chest discomfort and 30 pounds of weight loss...
July 2017: Therapeutic Advances in Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28931076/ghrelin-mediated-inhibition-of-the-tsh-stimulated-function-of-differentiated-human-thyrocytes-ex-vivo
#18
Maria Barington, Marianne Møller Brorson, Jacob Hofman-Bang, Åse Krogh Rasmussen, Birgitte Holst, Ulla Feldt-Rasmussen
Ghrelin is a peptide hormone produced mainly in the gastrointestinal tract known to regulate several physiological functions including gut motility, adipose tissue accumulation and hunger sensation leading to increased bodyweight. Studies have found a correlation between the plasma levels of thyroid hormones and ghrelin, but an effect of ghrelin on the human thyroid has never been investigated even though ghrelin receptors are present in the thyroid. The present study shows a ghrelin-induced decrease in the thyroid-stimulating hormone (TSH)-induced production of thyroglobulin and mRNA expression of thyroperoxidase in a primary culture of human thyroid cells obtained from paranodular tissue...
2017: PloS One
https://www.readbyqxmd.com/read/28912982/severe-thyrotoxicosis-secondary-to-povidone-iodine-from-peritoneal-dialysis
#19
Kirstie Lithgow, Christopher Symonds
A 73-year-old male on home peritoneal dialysis (PD) with recent diagnosis of atrial fibrillation presented with fatigue and dyspnea. Hyperthyroidism was diagnosed with TSH < 0.01 mIU/L and FT4 > 100 pmol/L. He had no personal or family history of thyroid disease. There had been no exposures to CT contrast, amiodarone, or iodine. Technetium thyroid scan showed diffusely decreased uptake. He was discharged with a presumptive diagnosis of thyroiditis. Three weeks later, he had deteriorated clinically...
2017: Case Reports in Endocrinology
https://www.readbyqxmd.com/read/28901333/a-paleolithic-type-diet-results-in-iodine-deficiency-a-2-year-randomized-trial-in-postmenopausal-obese-women
#20
S Manousou, M Stål, C Larsson, C Mellberg, B Lindahl, R Eggertsen, L Hulthén, T Olsson, M Ryberg, S Sandberg, H F Nyström
BACKGROUND/OBJECTIVES: Different diets are used for weight loss. A Paleolithic-type diet (PD) has beneficial metabolic effects, but two of the largest iodine sources, table salt and dairy products, are excluded. The objectives of this study were to compare 24-h urinary iodine concentration (24-UIC) in subjects on PD with 24-UIC in subjects on a diet according to the Nordic Nutrition Recommendations (NNR) and to study if PD results in a higher risk of developing iodine deficiency (ID), than NNR diet...
September 13, 2017: European Journal of Clinical Nutrition
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