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https://www.readbyqxmd.com/read/28333968/a-genome-wide-association-study-of-thyroid-stimulating-hormone-and-free-thyroxine-in-danish-children-and-adolescents
#1
Tenna Ruest Haarmark Nielsen, Emil Vincent Rosenbaum Appel, Mathilde Svendstrup, Johanne Dam Ohrt, Maria Dahl, Cilius Esmann Fonvig, Mette Hollensted, Christian Theil Have, Haja N Kadarmideen, Oluf Pedersen, Torben Hansen, Jens-Christian Holm, Niels Grarup
BACKGROUND: Hypothyroidism is associated with obesity, and thyroid hormones are involved in the regulation of body composition, including fat mass. Genome-wide association studies (GWAS) in adults have identified 19 and 6 loci associated with plasma concentrations of thyroid stimulating hormone (TSH) and free thyroxine (fT4), respectively. OBJECTIVE: This study aimed to identify and characterize genetic variants associated with circulating TSH and fT4 in Danish children and adolescents and to examine whether these variants associate with obesity...
2017: PloS One
https://www.readbyqxmd.com/read/28331865/growth-hormone-utilization-review-in-a-pediatric-primary-care-setting
#2
Fatemeh Sayarifard, Fereshteh Bakhshi Imcheh, Shirinsadat Badri, Toktam Faghihi, Mostafa Qorbani, Mania Radfar
OBJECTIVE: One of the main problems facing public health providers and administrators in many countries is ensuring the rational use of high-cost drugs. In this regard, on-going process of medication use evaluation can be considered as a useful tool. In this study, we evaluated certain usage aspects of a highly-cost medication, that is, recombinant growth hormone (GH). METHODS: This cross-sectional study conducted from August 2012 to August 2014. Children receiving GH ± gonadotropin releasing hormone (GnRH) analogs were included in the study...
January 2017: Journal of Research in Pharmacy Practice
https://www.readbyqxmd.com/read/28331628/association-of-iodized-salt-with-goiter-prevalence-in-chinese-populations-a-continuity-analysis-over-time
#3
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/28327186/clinical-behavioural-and-pharmacogenomic-factors-influencing-the-response-to-levothyroxine-therapy-in-patients-with-primary-hypothyroidism-protocol-for-a-systematic-review
#4
Rosie Dew, Onyebuchi Okosieme, Colin Dayan, Vinay Eligar, Ishrat Khan, Salman Razvi, Simon Pearce, Scott Wilkes
BACKGROUND: Suboptimal thyroid hormone therapy including under-replacement and over-replacement is common amongst patients with hypothyroidism. This is a significant health concern as affected patients are at risk of adverse cardiovascular or metabolic consequences. Despite a growing body of evidence on the effects of various factors on thyroid hormone replacement, a systematic appraisal of the evidence is lacking. This review aims to appraise and quantify the extent to which clinical, behavioural and pharmacogenomic factors affect levothyroxine therapy in patients with primary hypothyroidism...
March 21, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28326681/population-pharmacokinetics-of-selumetinib-and-its-metabolite-n-desmethyl-selumetinib-in-adult-patients-with-advanced-solid-tumors-and-children-with-low-grade-gliomas
#5
Y T Patel, V M Daryani, P Patel, D Zhou, J Fangusaro, D J Carlile, P D Martin, L Aarons, C F Stewart
Selumetinib (AZD6244, ARRY-142886), a mitogen activated protein kinases (MEK1 and 2) inhibitor, has been granted orphan drug designation for differentiated thyroid cancer. The primary aim of this analysis was to characterize the population pharmacokinetics of selumetinib and its active metabolite N-desmethyl-selumetinib in patients with cancer. Concentration-time data from adult and pediatric clinical trials were pooled to develop a population pharmacokinetic model using a sequential approach where selumetinib and N-desmethyl-selumetinib data were modeled separately...
March 22, 2017: CPT: Pharmacometrics & Systems Pharmacology
https://www.readbyqxmd.com/read/28323979/thyroid-cancer-following-childhood-low-dose-radiation-exposure-a-pooled-analysis-of-nine-cohorts
#6
Jay H Lubin, M Jacob Adams, Roy Shore, Erik Holmberg, Arthur B Schneider, Michael M Hawkins, Leslie L Robison, Peter D Inskip, Marie Lundell, Robert Johansson, Ruth A Kleinerman, Florent de Vathaire, Lena Damber, Siegal Sadetzki, Margaret Tucker, Ritsu Sakata, Lene H S Veiga
Context: The increased use of diagnostic and therapeutic procedures that involve radiation raises concerns about radiation effects, particularly in children and to the radio-sensitive thyroid gland. Objectives: Evaluation of relative risk (RR) trends for thyroid radiation doses <0.2 gray; evidence of a threshold dose; and possible modifiers of the dose-response, e.g., sex, age at exposure, time since exposure. Design and setting: Pooled data from nine cohort studies of childhood external radiation exposure and thyroid cancer with individualized dose estimates, ≥1,000 irradiated subjects or ≥10 thyroid cancer cases, with data limited to individuals receiving doses <0...
March 8, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28314327/thyroid-cancer-in-the-pediatric-age-in-sicily-influence-of-the-volcanic-environment
#7
Marco Russo, Pasqualino Malandrino, Mariacarla Moleti, Antonio D'Angelo, Martina Tavarelli, Giulia Sapuppo, Fiorenza Giani, Pierina Richiusa, Sebastiano Squatrito, Riccardo Vigneri, Gabriella Pellegriti
BACKGROUND/AIM: Pediatric thyroid cancer (TC) is rare but its incidence is increasing. We analyzed incidence and characteristics of pediatric TC in Sicily and comparatively evaluated data from the volcanic and non-volcanic areas. MATERIALS AND METHODS: All incident pediatric (0-19 years) TCs in Sicily between 2002-2009 were analyzed for the area of residence and compared to data for adults. RESULTS: A total of 54 differentiated TCs (DTC) and nine medullary TCs were diagnosed in Sicily in children between 2002-2009...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28300959/fine-motor-skills-and-expressive-language-a-study-with-children-with-congenital-hypotyreoidism
#8
Renata Camargo Frezzato, Denise Castilho Cabrera Santos, Maura Mikie Fukujima Goto, Michelle Prado Cabral do Ouro, Carolina Taddeo Mendes Dos Santos, Vivian Dutra, Maria Cecília Marconi Pinheiro Lima
Purpose: To screen the global development of children with and without congenital hypothyroidism and to investigate the association between fine motor skills and expressive language development in both groups. Methods: This is a prospective study of a cohort of children diagnosed with Congenital Hypothyroidism and monitored in a reference service for congenital hypothyroidism of a public hospital and of children without this disorder. The screening was performed using the Bayley Scales of Infant Development III in the cognitive, gross and fine motor skills, and receptive and expressive language domains...
March 9, 2017: CoDAS
https://www.readbyqxmd.com/read/28298278/pediatric-celiac-disease-follow-up-in-the-spotlight
#9
REVIEW
Francesco Valitutti, Chiara Maria Trovato, Monica Montuori, Salvatore Cucchiara
The follow-up of celiac disease (CD) is challenging due to the scarcity of published data and the lack of standardized evidence-based protocols. The worldwide frequency and methods of CD follow-up appear to be heavily influenced by expert opinions of the individual physicians who assess children with CD. The aim of this review was to summarize the available studies on CD follow-up in children. We conducted a literature search with the use of PubMed, Medline, and Embase (from 1900 to 15 December 2016) for terms relevant to this review, including CD, follow-up, dietary adherence or dietary compliance, nutrition, comorbidities, complications, and quality of life...
March 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28294052/iodine-deficiency-and-iodine-prophylaxis-in-pregnancy
#10
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/28292479/costs-for-childhood-and-adolescent-cancer-90-days-prediagnosis-and-1-year-postdiagnosis-a-population-based-study-in-ontario-canada
#11
Claire de Oliveira, Karen E Bremner, Ning Liu, Mark L Greenberg, Paul C Nathan, Mary L McBride, Murray D Krahn
BACKGROUND: Childhood and adolescent cancers are uncommon, but they have important economic and health impacts on patients, families, and health care systems. Few studies have measured the economic burden of care for childhood and adolescent cancers. OBJECTIVES: To estimate costs of cancer care in population-based cohorts of children and adolescents from the public payer perspective. METHODS: We identified patients with cancer, aged 91 days to 19 years, diagnosed from 1995 to 2009 using cancer registry data, and matched each to three noncancer controls...
March 2017: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/28292215/the-role-of-postoperative-stimulated-thyroglobulin-as-prognostic-factor-for-differentiated-thyroid-cancer-in-children-and-adolescents
#12
André B Zanella, Rafael Selbach Scheffel, Marina Pasa, Jose Miguel Dora, Ana Luiza Maia
BACKGROUND: Prognostic factors are essential for risk stratification in patients with differentiated thyroid carcinoma (DTC). The role of stimulated postoperative thyroglobulin (sPOTg) has been well-established in adult DTC population but it remains unclear in children and adolescents. Here, we aimed to evaluate potential prognostic factors in children and adolescents with DTC, with special emphasis on sPOTg analysis. METHODS: Individuals aged 18 years or younger at diagnosis were selected from a cohort of DTC patients attending the thyroid clinic of a tertiary university-based hospital...
March 14, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28288144/thyroid-stimulating-hormone-levels-in-newborns-and-early-life-exposure-to-endocrine-disrupting-chemicals-analysis-of-three-european-mother-child-cohorts
#13
Marijke de Cock, Michiel R de Boer, Eva Govarts, Nina Iszatt, Lubica Palkovicova, Marja H Lamoree, Greet Schoeters, Merete Eggesbø, Tomas Trnovec, Juliette Legler, Margot van de Bor
BACKGROUND: Various studies report interactions between thyroid hormones and early life chemical exposure. Our objective was to analyse associations between markers of endocrine disrupting chemical exposure and thyroid function in newborns, determined in heel prick blood spots. METHODS: Three European mother-child cohorts (FLEHSI - Belgium, HUMIS - Norway, and the PCB cohort - Slovakia. Total n=1784) were pooled for the purpose of this study. Data on Thyroid Stimulating Hormone (TSH) was obtained from national neonatal screening registries, and cord plasma and/or breast milk was collected to determine exposure to various chemicals...
March 13, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28287628/prevalence-of-hypovitaminosis-d-and-associated-factors-in-obese-spanish-children
#14
T Durá-Travé, F Gallinas-Victoriano, M J Chueca-Guindulain, S Berrade-Zubiri
BACKGROUND/OBJECTIVES: Vitamin D deficiency may contribute to endocrine health and disease (diabetes, autoimmune thyroid diseases, polycystic ovarian syndrome, etc.). The aim of this study was to determine the prevalence and specific factors for hypovitaminosis D among children stratified by body mass index (BMI) in Northern Spain. SUBJECTS/METHODS: A cross-sectional clinical (sex, age, season of study visit, place of residence and BMI) and blood testing (calcium, phosphorous, calcidiol and parathyroid hormone (PTH)) were accomplished in 546 Caucasian individuals (aged 3...
March 13, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28287203/-the-iodine-prophylaxis-the-experience-in-the-autonomous-province-of-bolzano-south-tyrol
#15
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
#16
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
https://www.readbyqxmd.com/read/28276947/assessment-of-depression-anxiety-quality-of-life-and-coping-in-long-standing-multiple-endocrine-neoplasia-type-2-patients
#17
Karine Candido Rodrigues, Rodrigo Almeida Toledo, Flavia Lima Coutinho, Adriana Bezerra Nunes, Rui M B Maciel, Ana Oliveira Hoff, Marcos C Tavares, Sergio P A Toledo, Delmar Muniz Lourenço
BACKGROUND: Scarce data on psychological harm in multiple endocrine neoplasia type 2 (MEN2) are available. OBJECTIVES: To assess anxiety, depression, quality of life and coping in long-standing MEN2 patients. PATIENTS AND METHODS: Forty-three adults (age ≥ 18 y) with clinical and genetic diagnosis of MEN2 and long-term follow-up (10.6±8.2 years; 1-33). A cross-sectional study with qualitative and quantitative psychological assessment using semi-directed interviews and HADS, EORTC QLQ C30 and MINI-MAC scales...
March 9, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28276714/diagnostic-significance-of-serum-concentrations-of-soluble-fas-ligand-sfasl-in-children-with-autoimmune-thyroid-disease
#18
Hanna Mikos, Marcin Mikos, Marek Niedziela
INTRODUCTION: The aim of the study was to assess serum levels of sFasL as a marker of thyroid dysfunction in children with autoimmune thyroid disease (AITD). DESIGN: The group comprised 45 newly diagnosed children with Hashimoto's thyroiditis and Graves' disease versus euthyroid control group: 11 with hypothyroidism (10 girls and 1 boy, aged 12.2 ± 1.9 years), 19 children with hyperthyroidism (15 girls and 4 boys, aged 12.4 ± 4.9 years) and 15 healthy subjects (7 girls and 8 boys, aged 10...
February 21, 2017: Autoimmunity
https://www.readbyqxmd.com/read/28273705/-genetic-analysis-of-tpo-duox2-and-duoxa2-genes-in-children-with-permanent-congenital-hypothyroidism-suspected-dyshormonogenesis
#19
Y L Huang, M Y Tan, X Jiang, B Li, Q Y Chen, X F Jia, C F Tang, J L Liu, L Liu
Objective: To explore the TPO, DUOX2 and DUOXA2 genotypes and phenotypes of children with permanent congenital hypothyroidism(PCH) suspected dyshormonogenesis in Guangzhou, identified and treated at Guangzhou Newborn Screening Center. Six of them were born between 2011 and 2012. Method: Retrospectively analyzed the clinical data of 9 children with PCH suspected dyshormonogenesis. Genetic analysis of TPO, DUOX2 and DUOXA2 genes were performed with Sanger sequencing. Result: Of the 9 patients, four were identified variants in TPO gene including three cases with biallelic variants and one case with monoallelic variant...
March 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28266923/development-and-test-of-sets-of-3d-printed-age-specific-thyroid-phantoms-for-sup-131-sup-i-measurements
#20
Tiffany Mélanie Beaumont, Pedro Caldeira Ideias, Maeva Rimlinger, David Broggio, Didier Franck
In the case of a nuclear reactor accident the release contains a high proportion of iodine-131 that can be inhaled or ingested by members of the public. Iodine-131 is naturally retained in the thyroid and increases the thyroid cancer risk. Since the radiation induced thyroid cancer risk is greater for children than for adults, the thyroid dose to children should be assessed as accurately as possible. For that purpose direct measurements should be carried out with age-specific calibration factors but, currently, there is no age-specific thyroid phantoms allowing a robust measurement protocol...
March 7, 2017: Physics in Medicine and Biology
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