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Subclinical hypothyroidism children

Eng Loon Tng
Subclinical hypothyroidism (SCH) represents a mild or compensated form of primary hypothyroidism. The diagnosis of SCH is controversial, as its symptoms are non-specific and its biochemical diagnosis is arbitrary. The treatment of SCH was examined among non-pregnant adults, pregnant adults and children. In non-pregnant adults, treatment of SCH may prevent its progression to overt hypothyroidism, reduce the occurrence of coronary heart disease, and improve neuropsychiatric and musculoskeletal symptoms associated with hypothyroidism...
October 2016: Singapore Medical Journal
Maria Dahl, Johanne Dam Ohrt, Cilius Esmann Fonvig, Julie Tonsgaard Kloppenborg, Oluf Pedersen, Torben Hansen, Jens Christian Holm
OBJECTIVE: Thyroid abnormalities are common in obese children. The aim of the present study was to examine the prevalence of subclinical hypothyroidism (SH) and to determine how circulating thyroid hormone concentrations correlate with anthropometrics in Danish lean and obese children and adolescents. METHODS: We included 3,006 children and adolescents, aged 6-18 years, from the Registry of the Danish Childhood Obesity Biobank in this cross-sectional study. The overweight/obese group (n=1,796) consisted of study participants with a body mass index (BMI) standard deviation score (SDS) ≥1...
September 9, 2016: Journal of Clinical Research in Pediatric Endocrinology
Marcella Pedullà, Vincenzo Fierro, Pierluigi Marzuillo, Ester Del Tufo, Anna Grandone, Laura Perrone, Emanuele Miraglia Del Giudice
AIM: To verify if subclinical hypothyroidism (SCH) could be associated to atopy in children. METHODS: Seven hundred and thirty-two Caucasian children from South Italy presenting symptoms of allergic disease were enrolled and submitted to atopy, obesity, chronic low grade inflammation, and SCH work up. RESULTS: Four hundred and forty-five out of 705 (63.12%) children affected by allergic disease were diagnosed as atopic and 260 (36.88%) as not atopic...
August 8, 2016: World Journal of Clinical Pediatrics
Ergün Sönmezgöz, Samet Ozer, Resul Yilmaz, Yalçın Önder, Ilknur Bütün, Serap Bilge
BACKGROUND: Vitamin D deficiency or insufficiency may play a role in the pathogenesis of certain autoimmune diseases. AIM: To measure vitamin D levels in children with Hashimoto’s thyroiditis (HT) (either with subclinical or marked hypothyroidism) and in healthy controls. MATERIAL AND METHODS: We included 68 children with HT aged 12 ± 4 years (39 females) from a pediatric outpatient clinic and 68 healthy children aged 10 ± 4 years (37 females)...
May 2016: Revista Médica de Chile
Tommaso Aversa, Andrea Corrias, Mariacarolina Salerno, Daniele Tessaris, Raffaella Di Mase, Mariella Valenzise, Domenico Corica, Filippo De Luca, Malgorzata Wasniewska
BACKGROUND: Whether the course of thyroid function in Hashimoto's thyroiditis (HT) differs in children who present with either euthyroidism or subclinical hypothyroidism (SH) has been incompletely investigated. AIM: Using a five-year prospective evaluation of 234 children with HT and no prognostic risk factors, this study investigated whether the evolution of the thyroid status is influenced by the biochemical pattern at initial diagnosis. RESULTS: In the entire series, thyrotropin values significantly increased during follow-up, while free thyroxine values decreased and the proportion of children with a thyroid dysfunction increased from 27...
October 2016: Thyroid: Official Journal of the American Thyroid Association
Kamila Such, Aneta Gawlik, Aleksandra Dejner, Malgorzata Wasniewska, Agnieszka Zachurzok, Aleksandra Antosz, Tomasz Gawlik, Ewa Malecka-Tendera
The main purpose of our retrospective study was to evaluate the medical care of the patients with subclinical hypothyroidism (sHT) and to investigate the rationale for administering L-thyroxine (LT-4) to young sHT patients. Patients and Methods. Based on a retrospective review of the charts of 261 patients referred to the Endocrinology Outpatient Clinic between 2009 and 2014 with suspicion of sHT, 55 patients were enrolled for further analysis. Data collected was baseline age, anthropometric measurements, serum TSH, fT4, fT3, anti-thyroid autoantibodies, positive family history, absence/presence of clinical symptoms, length of follow-up, and data concerning LT-4 therapy (therapy: T1; no therapy: T0)...
2016: International Journal of Endocrinology
Hale Tuhan, Sakine Işık, Ayhan Abacı, Erdem Şimşek, Ahmet Anık, Özden Anal, Ece Böber
AIM: The aim of this study was to evaluate clinical and laboratory findings and determine the prevalence of celiac disease (CD) in children with Hashimoto thyroiditis (HT). MATERIAL AND METHODS: The data of a total of 80 patients with positive anti-thyroid antibodies who were aged between 6 and 17.9 years were retrospectively studied. Age, gender, complaints at the time of presentation, family history of thyroid disorders, clinical and laboratory findings were recorded...
June 2016: Türk Pediatri Arşivi
Simon Kayemba-Kay's, Cedric Tripon, Anne Heron, Peter Hindmarsh
OBJECTIVE: Objectives: To evaluate clinical signs and symptoms that would help clinicians to consider PHP type IA as a diagnosis in a child. METHODS: Population & Methods: Retrospective review of medical records of children diagnosed (Erythrocyte Gsα activity and/or GNAS1 gene study) and followed-up for PHP Type IA. Clinical and biochemical parameters along with epidemiological data were extracted and analyzed. Weight gain during infancy and early childhood was calculated as change in weight SDS compared to the French growth reference...
July 28, 2016: Journal of Clinical Research in Pediatric Endocrinology
Zhongyan Shan, Lulu Chen, Xiaolan Lian, Chao Liu, Bingyin Shi, Lixin Shi, Nanwei Tong, Shu Wang, Jianping Weng, Jiajun Zhao, Xiaochun Teng, Xiaohui Yu, Yaxin Lai, Weiwei Wang, Chenyan Li, Jinyuan Mao, Yongze Li, Chenling Fan, Weiping Teng
BACKGROUND: The goal of eliminating iodine deficiency worldwide was successfully achieved in China after the implementation of a mandatory universal salt iodization program for the last 16 years. Thus, China has been assessed as a country with more than adequate iodine levels. This survey aimed to investigate the current iodine status in China and the effects of an increased iodine intake on the spectrum and prevalence of thyroid disorders. METHODS: A total of 15,008 adult subjects from 10 cities in eastern and central China were investigated...
August 2016: Thyroid: Official Journal of the American Thyroid Association
Inger Aakre, Tor A Strand, Trine Bjøro, Ingrid Norheim, Ingrid Barikmo, Susana Ares, Marta Duque Alcorta, Sigrun Henjum
Iodine excess may impair thyroid function and trigger adverse health consequences for children. This study aims to describe iodine status among breastfed infants with high iodine exposure in the Saharawi refugee camps Algeria, and further assess thyroid function and iodine status among the children three years later. In 2010, a cross-sectional study among 111 breastfed children aged 0-6 months was performed (baseline study). In 2013, a second cross-sectional study (follow-up study) was conducted among 289 children; 213 newly selected and 76 children retrieved from baseline...
2016: Nutrients
Mariacarolina Salerno, Donatella Capalbo, Manuela Cerbone, Filippo De Luca
Subclinical hypothyroidism is defined as serum levels of TSH above the upper limit of the reference range, in the presence of normal concentrations of total T4 or free T4. This biochemical profile might be an indication of mild hypothyroidism, with a potential increased risk of metabolic abnormalities and cardiovascular disease recorded among adults. Whether subclinical hypothyroidism results in adverse health outcomes among children is a matter of debate and so management of this condition remains challenging...
July 1, 2016: Nature Reviews. Endocrinology
Melanie H Jacobson, Dana B Barr, Michele Marcus, Andrew B Muir, Robert H Lyles, Penelope P Howards, Larissa Pardo, Lyndsey A Darrow
Thyroid hormones are essential for proper neurodevelopment in early life. There is evidence that exposure to polybrominated diphenyl ethers (PBDEs) affects thyroid function, but previous studies have been inconsistent, and no studies among children have been conducted in the United States where PBDE levels are particularly high. Serum levels of seven PBDE congeners and thyroid hormones and other thyroid parameters were measured in 80 children aged 1-5 years from the southeastern United States between 2011 and 2012...
August 2016: Environmental Research
Ahmet Irdem, Derya Aydın Sahin, Mehmet Kervancioglu, Osman Baspinar, Murat Sucu, Mehmet Keskin, Metin Kilinc
AIM: This study aimed to evaluate ventricular diastolic dysfunction, inter- and intraatrial conduction delay, and P-wave dispersion in pediatric patients with subclinical hypothyroidism. METHODS: The study comprised a total of 30 pediatric patients with subclinical hypothyroidism (SH) (mean age 7.8 ± 3.2 years) and 30 healthy children (mean age 8.4 ± 3.6 years) as the control group. A SH diagnosis was made in the event of increased serum thyroid-stimulating hormone (TSH) and decreased serum free triiodothyronine (T3 ) and free thyroxine (T4 ) concentrations...
September 2016: Echocardiography
Violeta Ilić, Dragana Bogićević, Branislava Miljković, Maja Ješić, Marijana Kovačević, Milica Prostran, Sandra Vezmar Kovačević
To identify potential risk factors for the development of subclinical hypothyroidism following long-term valproic acid monotherapy in children with epilepsy. Serum levels of thyroid-stimulating hormone, free thyroxine, free triiodothyronine, thyreoglobulin antibodies, and thyroid peroxidase antibodies were determined in 41 patients and in 41 sex- and age-matched healthy children. Mean valproic acid treatment duration was 2.80±1.96 years. The valproic acid group had higher serum thyroid-stimulating hormone (p<0...
June 1, 2016: Epileptic Disorders: International Epilepsy Journal with Videotape
Małgorzata Rumińska, Ewelina Witkowska-Sędek, Anna Majcher, Beata Pyrżak
Fat accumulation leads to dysfunction of hypothalamic-pituitary-thyroid axis and to changes in thyroid function. A higher serum level of thyroid stimulating hormone (TSH), with normal levels of thyroid hormones, suggesting subclinical hypothyroidism, is often found in obese individuals. The influence on lipid and glucose metabolism of thyroid dysfunction in obese patients remains unclear. This retrospective study encompassed 110 obese children and 38 healthy non-obese children aged 5-18. Anthropometric measurements, including bioelectrical impedance, were taken in all children...
2016: Advances in Experimental Medicine and Biology
Manuela Cerbone, Donatella Capalbo, Malgorzata Wasniewska, Sara Alfano, Giuseppina Mattace Raso, Ugo Oliviero, Antonio Cittadini, Filippo De Luca, Mariacarolina Salerno
OBJECTIVE: To investigate the effect of levothyroxine (L-T4) treatment on early markers of atherosclerotic disease in children with mild idiopathic subclinical hypothyroidism (SH). DESIGN: Two-year, open, case-control prospective study. METHODS: A total of 39 children, aged 9.18±3.56 years, with SH and 39 healthy controls were enrolled in the study. Waist-to-height ratio (WHtR), blood pressure, triglycerides, total cholesterol (total-C), HDL-C, LDL-C, non-HDL-C, triglycerides/HDL-C, atherogenic index (AI), homocysteine (Hcy), asymmetric dimethylarginine (ADMA), flow-mediated dilation (FMD) and intima-media thickness (IMT) were evaluated at baseline and after 2 years of L-T4 treatment in SH children and after 2 years of follow-up in controls...
July 2016: European Journal of Endocrinology
Xuegang Fan, Lina Wu
OBJECTIVE: To investigate the relationship between specific thyroid abnormalities in women during pregnancy and the subsequent neuropsychological development of their offspring. METHODS: A systematic literature search of PubMed, Embase and Web of Science was conducted. Eligible studies were case-control or cohort study that explored this association with euthyroid thyroid abnormalities during pregnancy. The outcomes included intelligence scores and motor scores...
December 2016: Journal of Maternal-fetal & Neonatal Medicine
Usha Niranjan, Neil P Wright
No abstract text is available yet for this article.
2016: BMJ: British Medical Journal
H Delshad, M Touhidi, Z Abdollahi, M Hedayati, F Salehi, F Azizi
PURPOSE: I. R. Iran has been considered iodine replete since 2000, but iodine nutrition of vulnerable subjects is not clear. The main goal of this study was assessment of iodine nutrition and thyroid function in pregnant Iranian women. METHODS: A total of 1072 pregnant women from ten provinces in the different parts of the country were recruited from November to March 2014. Median urinary iodine concentration (UIC) as the measure of iodine status and serum free T4 (FT4), thyrotropin (TSH), thyroglobulin (Tg), anti-thyroglobulin and anti-thyroid peroxidase antibodies (TgAb and TPOAb) were measured...
July 2016: Journal of Endocrinological Investigation
Yasemin Isik-Balci, Sebahat Agladioglu, Kadir Agladioglu, Emine Kilic-Toprak, Ozgen Kilic-Erkek, Bayram Ozhan, Aziz Polat, Melek Bor-Kucukatay
BACKGROUND: Subclinical hypothyroidism (SH) is defined as elevated serum thyroid-stimulating hormone (TSH) concentration associated with normal serum-free thyroxine levels. Effects of hypothyroidism on hemorheology had widely attracted the attention of researchers during the last decade. OBJECTIVE: The purpose of this study is to determine alterations in hemorheological parameters and carotid intima-media thickness (CIMT) in children with SH. METHODS: Fifty-three SH children and 31 healthy controls were enrolled...
2016: Hormone Research in Pædiatrics
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