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Iodine deficiency in children

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https://www.readbyqxmd.com/read/28682645/are-low-intakes-and-deficiencies-in-iron-vitamin-a-zinc-and-iodine-of-public-health-concern-in-ethiopian-kenyan-nigerian-and-south-african-children-and-adolescents
#1
Rajwinder Harika, Mieke Faber, Folake Samuel, Afework Mulugeta, Judith Kimiywe, Ans Eilander
OBJECTIVE: To perform a systematic review to evaluate iron, vitamin A, zinc, and iodine status and intakes in children and adolescents (0-19 years) in Ethiopia, Kenya, Nigeria, and South Africa. METHOD: Both national and subnational data published from the year 2005 to 2015 were searched via MEDLINE, Scopus, and national public health websites. For each micronutrient and country, status data from relevant studies and surveys were combined into an average prevalence and weighted by sample size (WAVG)...
January 1, 2017: Food and Nutrition Bulletin
https://www.readbyqxmd.com/read/28673593/boron-a-potential-goiterogen
#2
Elizaveta V Popova, Alexey A Tinkov, Olga P Ajsuvakova, Margarita G Skalnaya, Anatoly V Skalny
The iodine deficiency disorders (IDD) include a variety of disturbances such as decreased fertility, increased perinatal and infant mortality, impaired physical and intellectual development, mental retardation, cretinism, hypothyroidism, and endemic goiter (EG). The occurrence of the latter is determined by interplay between genetic and environmental factors. The major environmental factor is iodine status that is required for normal thyroid hormone synthesis. However, other factors like intake of micronutrients and goiterogens also have a significant impact...
July 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28658293/green-design-of-a-paper-test-card-for-urinary-iodine-analysis
#3
Nicholas M Myers, Ivan C Leung, Sean W McGee, Kathleen Eggleson, Marya Lieberman
When young children do not receive adequate amounts of the micronutrient iodine in their diet, their growth and cognitive development can be impaired. Nearly every country in the world has programs in place to track iodine intake and provide supplemental iodine if needed, usually in the form of fortified salt. The iodine nutrition status of a population can be tracked by monitoring iodine levels in urine samples to see if the median value falls in the range of 100-300 micrograms of iodine per liter of urine (μg I/L), which indicates adequate or more than adequate iodine nutrition...
2017: PloS One
https://www.readbyqxmd.com/read/28657479/first-israeli-national-iodine-survey-demonstrates-iodine-deficiency-among-school-aged-children-and-pregnant-women
#4
Yaniv S Ovadia, Jonathan Arbelle, Dov Gefel, H Brik, Tamar Wolf, Varda Nadler, Sandra Hunziker, Michael Zimmermann, Aron Troen
INTRODUCTION: National data on iodine status in Israel is lacking. Reliance on iodine-depleted desalinated water, the absence of a salt iodization program and reports of increased use of thyroid medication in Israel suggested that the population's iodine intake is likely inadequate. AIMS: To determine iodine status of Israeli school age children (SAC) and pregnant women (PW) in a nationally-representative sample obtained by a novel approach of using pre-discard urinalysis samples collected from a centralized national laboratory...
June 28, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28611947/thirty-five-years-of-thyroid-cancer-experience-in-a-paediatric-population-incidence-trends-in-lithuania-between-1980-and-2014
#5
Rima Bėrontienė, Edita Jašinskienė, Rosita Kiudelienė, Gintaras Kuprionis, Jurgita Makštienė, Raminta Macaitytė, Dalia Marčiulionytė, Lina Poškienė, Agnė Šemetaitė, Vygantas Šidlauskas, Raimondas Valickas, Rimantas Žalinkevičius, Rasa Verkauskienė
BACKGROUND: Thyroid cancer (TC) is a rare condition in children. It may be associated with radiation, iodine deficiency or familial inheritance. AIMS: The objectives of this study were to analyse the prevalence and incidence trends over 3 decades and clinical features of TC in the paediatric population in Lithuania. METHODS: We reviewed all TC cases diagnosed in children aged less than 18 years during the period 1980-2014 using medical records from 3 main hospitals in Lithuania where such TC cases are managed...
February 2017: European Thyroid Journal
https://www.readbyqxmd.com/read/28582819/the-influence-of-mandatory-iodine-fortification-on-the-iodine-status-of-australian-school-children-residing-in-an-iodine-sufficient-region
#6
Anna J Samidurai, Robert S Ware, Peter Sw Davies
BACKGROUND AND OBJECTIVES: To counter emerging iodine deficiency mandatory iodine fortification of bread was introduced throughout Australia in 2009. This study investigated the impact of iodine fortification on the iodine status of school aged children living in the iodine replete state of Queensland, and investigated which foods had greatest influence on overall iodine status. METHODS AND STUDY DESIGN: A convenience sample of 30 children aged 8.0-10.9 years living in south east Queensland, Australia, provided spot morning and afternoon urine samples on two consecutive days...
2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28582817/nutritional-status-and-dietary-diversity-of-kamea-in-gulf-province-papua-new-guineas
#7
Janny M Goris, Nienke Zomerdijk, Victor J Temple
BACKGROUND AND OBJECTIVES: To assess the nutritional status of infants, children and non-pregnant women and underlying factors, dietary diversity and community food security, in the Kamea community in Gulf Province, Papua New Guinea. METHODS AND STUDY DESIGN: Prospective cross sectional study. Study population 69 infants (0-59 months), 151 children (6-12 years) and 79 non-pregnant women from 10 villages in Kotidanga Local Level Government, Kerema District, Gulf Province, Papua New Guinea...
2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28569114/dynamic-changes-in-the-bivariable-distribution-of-urinary-iodine-concentration-and-thyroid-volume-in-children-aged-8-to-10-years-in-china
#8
Zhengyuan Wang, Xiaohui Su, Peng Liu, Shoujun Liu
National iodine-deficiency disorder surveillance surveys were conducted in 1999, 2005, and 2011 in China. Probability-proportional-to-size sampling technique was used to select sampling units. The mean of thyroid volume (Tvol) in the 100 to 199 µg/L UIC (urinary iodine concentration) group was significantly lower than that in the 200 to 299 µg/L UIC group in 2011 ( P < .05). The status in the 100 to 199 µg/L versus ≥300 µg/L and 200 to 299 µg/L versus ≥300 µg/L groups in 1999, and 100 to 199 µg/L versus ≥300 µg/L group in 2011 were the same ( P < ...
May 2017: Asia-Pacific Journal of Public Health
https://www.readbyqxmd.com/read/28514348/-dynamics-of-immunological-features-of-oral-liquid-in-children-with-chronic-catarrhal-gingivitis-living-on-polluted-territories-with-fluoride-and-iodine-deficiency
#9
N V Malko, E V Besvushko
The aim of the study was to assess the state of oral liquid (OL) immunity in children with chronic catarrhal gingivitis (CCG) living in adverse environmental conditions. 120 children aged 7-15 residing in ecologically unfavorable areas of Lviv region were examined, while 75 children living in 'relatively clean' region were involved in the control group. Chronic catarrhal gingivitis was diagnosed according to Danilevskiy classification (1994). The level of cytokines in oral liquid of 7-years-old children living in ecologically polluted region (EPR), was (198...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/28513067/interventions-for-cutaneous-molluscum-contagiosum
#10
REVIEW
Johannes C van der Wouden, Renske van der Sande, Emma J Kruithof, Annet Sollie, Lisette Wa van Suijlekom-Smit, Sander Koning
BACKGROUND: Molluscum contagiosum is a common skin infection that is caused by a pox virus and occurs mainly in children. The infection usually resolves within months in people without immune deficiency, but treatment may be preferred for social and cosmetic reasons or to avoid spreading the infection. A clear evidence base supporting the various treatments is lacking.This is an update of a Cochrane Review first published in 2006, and updated previously in 2009. OBJECTIVES: To assess the effects of specific treatments and management strategies, including waiting for natural resolution, for cutaneous, non-genital molluscum contagiosum in people without immune deficiency...
May 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28475154/iodine-status-and-iodised-salt-consumption-in-portuguese-school-aged-children-the-iogeneration-study
#11
João Costa Leite, Elisa Keating, Diogo Pestana, Virgínia Cruz Fernandes, Maria Luz Maia, Sónia Norberto, Edgar Pinto, André Moreira-Rosário, Diana Sintra, Bárbara Moreira, Ana Costa, Sofia Silva, Vera Costa, Inês Martins, Francisca Castro Mendes, Pedro Queirós, Bruno Peixoto, José Carlos Caldas, António Guerra, Manuel Fontoura, Sandra Leal, Roxana Moreira, Irene Palmares Carvalho, Rui Matias Lima, Catia Martins, Cristina Delerue-Matos, Agostinho Almeida, Luís Azevedo, Conceição Calhau
The World Health Organization promotes salt iodisation to control iodine deficiency. In Portugal, the use of iodised salt in school canteens has been mandatory since 2013. The present study aimed to evaluate iodine status in school-aged children (6-12 years) and to monitor the use of iodised salt in school canteens. A total of 2018 participants were randomly selected to participate in a cross-sectional survey in northern Portugal. Children's urine and salt samples from households and school canteens were collected...
May 5, 2017: Nutrients
https://www.readbyqxmd.com/read/28379180/eliminating-iodine-deficiency-in-china-achievements-challenges-and-global-implications
#12
Dianjun Sun, Karen Codling, Suying Chang, Shubin Zhang, Hongmei Shen, Xiaohui Su, Zupei Chen, Robert W Scherpbier, Jun Yan
The prevention of iodine deficiency through salt iodization has been recognized as a global success story, and China stands at the forefront of this achievement with one of the most successful programs in the world. High level political commitment, national mandatory legislation, a state-managed edible salt industry and a complex and highly sophisticated surveillance system have facilitated the success of the program. Challenges have arisen however, including: (i) concern that adequate iodine status in pregnant women cannot be achieved without causing above adequate iodine intakes in children; (ii) declining iodine intake as a result of reductions in salt consumption and increased consumption of processed foods, which may not be made with iodized salt; (iii) the existence of areas with high iodine content in the water; and (iv) declines in household use of iodized salt due to concerns about excess iodine intake and thyroid disease...
April 5, 2017: Nutrients
https://www.readbyqxmd.com/read/28358234/iodine-storage-and-metabolism-of-mild-to-moderate-iodine-deficient-pregnant-rats
#13
Xin Sun, Li Lu, Ling Shan, Zhongyan Shan, Weiping Teng
BACKGROUND: Severe iodine deficiency during pregnancy results in neurodevelopmental disorders in children, while the consequences of mild to moderate iodine deficiency (MMID) are uncertain. The concentration of iodine in the thyroid is the most accurate indicator of iodine nutrition. This study aimed to evaluate whether the iodine stores in the thyroid cover the needs of the mother and the fetus in iodine-sufficient and MMID conditions by inductively coupled plasma-mass spectrometry. METHODS: One hundred four-week-old female Wistar rats were randomly divided into MMID (low iodine intake [L]) and normal (normal iodine intake [N]) groups...
June 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28348999/goiter-prevalence-in-school-going-children-a-cross-sectional-study-in-two-border-districts-of-sub-himalayan-jammu-and-kashmir
#14
Rajiv Kumar Gupta, Bhavna Langer, Sunil Kumar Raina, Rashmi Kumari, Reyaz Jan, Renu Rani
INTRODUCTION: Iodine deficiency disorder remains one of the major public health problems, despite it being easily preventable. Initially thought as the disorder of Himalayan goiter belt, the disorder has been found to have a pan-India presence. The study was planned with the aim to assess the prevalence of goiter among 6-12 years school-going children and to identify levels of iodine in salt consumed at the household level in the study area. MATERIALS AND METHODS: The study was conducted among 3955 school-going (2162 children from Rajouri and 1793 children from Poonch) children age 6-12 years in Rajouri and Poonch districts of Jammu Province...
October 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28331628/association-of-iodized-salt-with-goiter-prevalence-in-chinese-populations-a-continuity-analysis-over-time
#15
Zhen Liang, Chen Xu, Yong-Jun Luo
BACKGROUND: Iodine deficiency disorders (IDD) refer to diseases that are caused by insufficient iodine intake, and the best strategy to prevent IDD is the addition of iodine to dietary salt. Because iodine deficiency is a common cause of goiter, the prevalence as effectively controlled after the implementation of universal salt iodization (USI) in China. However, there is substantial controversy as to whether the incidence of thyroid disorders is related to iodized salt intake. Therefore, we aimed to clarify whether the risk of goiter can be promoted by USI...
2017: Military Medical Research
https://www.readbyqxmd.com/read/28328929/urinary-iodine-concentration-uic-could-be-a-promising-biomarker-for-predicting-goiter-among-school-age-children-a-systematic-review-and-meta-analysis
#16
Linlin Xiu, Gansheng Zhong, Xueman Ma
OBJECTIVES: To evaluate whether urinary iodine concentration (UIC) can predict goiter among school-age children, and to assess the association between UIC and goiter prevalence. METHODS: We searched the MEDLINE, EMBASE, Cochrane Library (Cochrane Database of Systematic Reviews), Web of Science, CNKI, VIP, and Wan Fang databases for relevant reports in both English and Chinese up to August 25, 2016. The mean differences (MD) and 95% confidence intervals (CI) were calculated for the UIC and goiter prevalence assessments...
2017: PloS One
https://www.readbyqxmd.com/read/28294052/iodine-deficiency-and-iodine-prophylaxis-in-pregnancy
#17
Małgorzata Trofimiuk-Müdlner, Alicja Hubalewska-Dydejczyk
BACKGROUND: Physiological changes in pregnancy result in increased iodine demand, which may not be met in areas of mild-to-moderate iodine deficiency or borderline sufficiency. As a pregnant woman is the only source of thyroid hormones for her child during early gestation, iodine deficiency-induced hypothyroxinemia may have deleterious effects on fetal development. OBJECTIVE: To present the current approach to iodine deficiency and its prophylaxis during pregnancy...
March 9, 2017: Recent Patents on Endocrine, Metabolic & Immune Drug Discovery
https://www.readbyqxmd.com/read/28292346/surveys-in-areas-of-high-risk-of-iodine-deficiency-and-iodine-excess-in-china-2012-2014-current-status-and-examination-of-the-relationship-between-urinary-iodine-concentration-and-goiter-prevalence-in-children-aged-8-10-years
#18
Si Lu Cui, Peng Liu, Xiao Hui Su, Shou Jun Liu
OBJECTIVE: We aimed to evaluate goiter prevalence and iodine nutritional status in areas with high levels of water iodine; to monitor the prevalence of iodine deficiency disorders (IDD) in areas at high risk of IDD; and to compare the prevalence of goiter and urine iodine (UI) concentrations between children living in the two areas. METHODS: Based on surveillance from 2012-2014, we analyzed the concentration of UI and prevalence of goiter in 8-10-year-old children from 12 high-risk IDD provinces, and from 8 provinces and municipalities with excessive water iodine...
February 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/28287203/-the-iodine-prophylaxis-the-experience-in-the-autonomous-province-of-bolzano-south-tyrol
#19
Fabrizio Franzellin, Lucio Lucchin
Since ancient times in South Tyrol there was evidence of endemic goitre caused by iodine deficiency. In the early 80's an epidemiological research on adults and primary and secondary school children reported in the least a prevalence of goitre from grade 1 B-3 (WHO) of 23,66% (limits WHO >5%) and an urinary iodine of 10,2 µgI/L. Therefore South Tyrol population presented heavy endemic goitre. In 1982 started a generalized iodine prophylaxis with alimentary iodined salt after an intense prevention campaign...
February 2017: Recenti Progressi in Medicina
https://www.readbyqxmd.com/read/28285430/the-sensitivity-and-specificity-of-thyroglobulin-concentration-using-repeated-measures-of-urinary-iodine%C3%A2-excretion
#20
Zheng F Ma, Bernard J Venn, Patrick J Manning, Claire M Cameron, Sheila A Skeaff
PURPOSE: Iodine deficiency affects 30% of populations worldwide. The amount of thyroglobulin (Tg) in blood increases in iodine deficiency and also in iodine excess. Tg is considered as a sensitive index of iodine status in groups of children and adults, but its usefulness for individuals is unknown. The aim of this study was to determine the diagnostic performance of Tg as an index of iodine status in individual adults. METHODS: Adults aged 18-40 years (n = 151) provided five spot urine samples for the measurement of urinary iodine concentration expressed as μg/L (UIC), μg/g of creatinine (I:Cre), and μg/day (estimated UIE); the mean of the five samples was used as the reference standard...
March 11, 2017: European Journal of Nutrition
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