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Iodine deficiency in children

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https://www.readbyqxmd.com/read/29914630/reproducible-and-reliable-general-semiquantitative-food-frequency-questionnaire-for-evaluating-iodine-intake-in-chinese-children
#1
Yalan Wu, Wen Chen, Jun Shen, Long Tan, Mary R L'Abbe, Elizabeth N Pearce, Wenqiang Wang, Xiaoxiao Tian, Wei Wang, Wanqi Zhang
Iodine deficiency is a global issue that is correlated with a variety of diseases and can affect individuals of all ages. We hypothesized that a general, semiquantitative food frequency questionnaire (FFQ) could be a valuable tool to evaluate iodine intake in children. Study participants comprised 687 healthy children between the ages of 7 and 13 years. The FFQ was developed to assess habitual iodine intake over a 6-month period (FFQ1). A 3-day estimated food diary (3DEFD) and the habitual daily iodine intake, calculated from 2-repeated 24-hour urine iodine excretion, tested the intermethod relative validity of the FFQ...
July 2018: Nutrition Research
https://www.readbyqxmd.com/read/29905554/assessment-of-adequate-iodine-availa-bility-to-the-population-of-west-kazakhstan-based-on-the-data-of-inorganic-iodine-in-urinary-excretion
#2
Y Bazargaliyev, G Batyrova, D Zhamankulova, R Agzamova
Aim of research - to study the iodine supply of the region according to the degree of urinary iodine excretion in the West region of the Republic of Kazakhstan. Of 6493 schoolchildren participating in the study of the frequency of goiter, random sampling was applied to select 884 children to determine UIC. To establish the excretion of inorganic iodine in a single portion of urine in the field, express diagnostics, the "Iodine test" kits (manufactured in Ukraine), was applied. The collection of urine for the determination of UIC was carried out in disposable cups, hermetically sealed with stoppers to prevent the entry of iodine vapors into the test samples...
May 2018: Georgian Medical News
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
#3
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/29903194/-effect-factors-of-the-prevalence-of-thyroid-nodules-in-zhejiang-province-in-2010
#4
Zhe Mo, Guangming Mao, Wenming Zhu, Xiaofeng Wang, Xiaoming Lou, Gangqiang Ding
OBJECTIVE: To assess the prevalence of thyroid nodules and explore the risk factors for thyroid nodules among the community residents in Zhejiang Province. METHODS: The residents of twenty-two communities in Zhejiang Province were selectedwith stratified cluster sampling. The cross-sectional survey includes questionnaire, examination on thyroid. The prevalence and related factors of thyroid nodules was described, and the possible risk factors for thyroid nodules was analyzed with logistic regression...
November 2017: Wei Sheng Yan Jiu, Journal of Hygiene Research
https://www.readbyqxmd.com/read/29794372/effect-of-radioactive-iodine-induced-hypothyroidism-on-longitudinal-bone-growth-during-puberty-in-immature-female-rats
#5
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/29767745/preconception-maternal-iodine-status-is-positively-associated-with-iq-but-not-with-measures-of-executive-function-in-childhood
#6
Sian M Robinson, Sarah R Crozier, Elizabeth A Miles, Catharine R Gale, Philip C Calder, Cyrus Cooper, Hazel M Inskip, Keith M Godfrey
Background: Adverse effects of severe maternal iodine deficiency in pregnancy on fetal brain development are well-established, but the effects of milder deficiency are uncertain. Most studies examine iodine status in pregnancy; less is known about iodine nutrition before conception. Objective: We examined relations between maternal preconception iodine status and offspring cognitive function, within a prospective mother-offspring cohort. Methods: Maternal iodine status was assessed through the use of the ratio of iodine:creatinine concentrations (I/Cr) in spot urine samples [median (IQR) period before conception 3...
May 15, 2018: Journal of Nutrition
https://www.readbyqxmd.com/read/29767700/effects-of-iodized-salt-and-iodine-supplements-on-prenatal-and-postnatal-growth-a-systematic-review
#7
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/29767699/impact-of-double-fortified-salt-with-iron-and-iodine-on-hemoglobin-anemia-and-iron-deficiency-anemia-a-systematic-review-and-meta-analysis
#8
María J Ramírez-Luzuriaga, Leila M Larson, Venkatesh Mannar, Reynaldo Martorell
Double-fortified salt (DFS) containing iron and iodine has been proposed as a feasible and cost-effective alternative for iron fortification in low- and middle-income countries (LMICs). We conducted a systematic review and meta-analysis from randomized and quasi-randomized controlled trials to 1) assess the effect of DFS on biomarkers of iron status and the risk of anemia and iron deficiency anemia (IDA) and 2) evaluate differential effects of DFS by study type (efficacy or effectiveness), population subgroups, iron formulation (ferrous sulfate, ferrous fumarate, and ferric pyrophosphate), iron concentration, duration of intervention, and study quality...
May 1, 2018: Advances in Nutrition
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
#9
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
#10
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/29755326/transient-hypothyroidism-during-lactation-arrests-myelination-in-the-anterior-commissure-of-rats-a-magnetic-resonance-image-and-electron-microscope-study
#11
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/29737268/evaluation-and-management-of-the-child-with-hypothyroidism
#12
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
#13
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
https://www.readbyqxmd.com/read/29697383/-abnormalities-of-thyroid-hormone-metabolism-during-community%C3%A2-acquired-pneumonia-nonthyroidal-illness-syndrome-and-intracellular-iodine-distribution-in-children
#14
H Pavlyshyn, V Kibar, V Furdela, N Haliyash, I Sarapuk
The aim of the study ‒ to investigate the changes of thyroid function and to reveal the relationship in between intracellular distribution of iodine in the blood with the severity of the course of pneumonia in children. We investigated 70 patients in age 6-14 years with moderate and severe CAP and 35 healthy children. The levels of free thyroxine (fT4), free triiodo-thyronine (fT3) and thyroid stimulating hormone, thyroid gland ultrasound and urinary iodine were estimated. Inorganic iodine, total and organificated iodine was investigated...
March 2018: Georgian Medical News
https://www.readbyqxmd.com/read/29696034/review-of-iodine-nutrition-in-iranian-population-in-the-past-quarter-of-century
#15
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/29688765/iodine-nutrition-in-the-republic-of-artsakh-nagorno-karabakh
#16
Nicholas Hutchings, Sisak Baghdasaryan, Mushegh Qefoyan, Araz Chiloyan, Mariam Manoukian, Karine Atayan, John P Bilezikian
OBJECTIVE: Iodine is a required nutrient for thyroid function. The mountainous terrain in the Republic of Artsakh (Nagorno Karabakh) in the south Caucasus suggests that it is likely to be endogenously deficient in iodine. The region is heavily dependent on neighboring Armenia for food imports including iodized salt. Since 2005, iodine is a government-sanctioned compulsory supplemental ingredient in salt in Armenia. However, there has never been a study of iodine nutrition in Artsakh. We sought to determine the level of iodine nutrition in Artsakh and the iodine content of table salt in the region...
May 2018: Endocrine Practice
https://www.readbyqxmd.com/read/29660100/assessment-of-iodine-nutritional-status-of-school-age-children-in-kolkata-district-of-west-bengal-state-in-post-iodation-scenario
#17
Udayan Bhattacharya, Amar K Chandra
To evaluate the state of iodine nutrition in post-iodation scenario, 3500 children were examined clinically for endemic goitre. Iodine and thiocyanate were measured in 240 urine samples; iodine content in 210 salt samples was measured. Total goitre prevalence was 6.1%. Median urinary iodine level was 21.80 µg/dl, and mean (±SD) urinary thiocyanate was 0.89 ± 0.49 mg/dl. Iodine content of only 11.9% salt samples was below recommended level of 15 ppm, 25.2% was between 15 and 30 ppm and 62.9% was >30 ppm...
April 6, 2018: Journal of Tropical Pediatrics
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
#18
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/29650436/iodine-nutrition-status-and-prevalence-of-abnormal-tsh-levels-in-schoolchildren-aged-6-7-years-in-the-autonomous-community-of-the-basque-country
#19
Juan José Arrizabalaga, Mercedes Jalón, Mercedes Espada, Mercedes Cañas, José María Arena, Lluís Vila
INTRODUCTION: An epidemiological study conducted between 1988 and 1992 showed iodine deficiency and endemic goiter in the schoolchildren of the autonomous community of the Basque Country. OBJECTIVES: 1) To ascertain the iodine nutrition status of schoolchildren aged 6-7 years, and 2) to estimate the prevalence of abnormal TSH levels in capillary blood. POPULATION AND METHODS: The study was conducted on 497 schoolchildren selected by random sampling...
May 2018: Endocrinología, Diabetes y Nutrición
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
#20
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
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