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TSH AND Iodine

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https://www.readbyqxmd.com/read/27905968/monitoring-the-prevalence-of-thyroid-disorders-in-the-adult-population-of-northeast-germany
#1
Rehman Mehmood Khattak, Till Ittermann, Matthias Nauck, Harald Below, Henry Völzke
BACKGROUND: Only a few studies like ours have investigated the effect of long-term stable iodine supply on thyroid disorders in a historically iodine-deficient population, but not with a long follow-up time of 10 years. METHODS: Data were derived from two independent population-based cohorts of the Study of Health in Pomerania (SHIP-0 [1997-2001] and SHIP-TREND [2008-2012]) comprising 4308 and 4420 subjects, respectively. Diagnosed thyroid disorders were assessed...
November 8, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27902589/serum-thyroglobulin-reference-intervals-in-regions-with-adequate-and-more-than-adequate-iodine-intake
#2
Zhaojun Wang, Hanyi Zhang, Xiaowen Zhang, Jie Sun, Cheng Han, Chenyan Li, Yongze Li, Xiaochun Teng, Chenling Fan, Aihua Liu, Zhongyan Shan, Chao Liu, Jianping Weng, Weiping Teng
The purpose of this study was to establish normal thyroglobulin (Tg) reference intervals (RIs) in regions with adequate and more than adequate iodine intake according to the National Academy of Clinical Biochemistry (NACB) guidelines and to investigate the relationships between Tg and other factors.A total of 1317 thyroid disease-free adult subjects (578 men, 739 nonpregnant women) from 2 cities (Guangzhou and Nanjing) were enrolled in this retrospective, observational study. Each subject completed a questionnaire and underwent physical and ultrasonic examination...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27901182/does-insulin-resistance-increase-thyroid-volume-in-patients-with-polycystic-ovary-syndrome
#3
Murat Sahin, Didem Demircioglu, Ayten Oguz, Dilek Tuzun, Mehmet Akif Sarica, Elif Inanc, Kamile Gul
Objective: To investigate the effect of gonadotropin, sex hormone levels and insulin resistance (IR) on thyroid functions and thyroid volume (TV) in polycystic ovary syndrome (PCOS). Subjects and methods: 69 new diagnosed PCOS patients (age 24.82 ± 6.17) and 56 healthy control female (age 26.69 ± 5.25) were involved to the study. Fasting plasma glucose, lipid profile, insulin, thyroid stimulating hormone (TSH), free thyroxine (fT4), estradiol (E2), luteinizing hormone (LH), follicle stimulating hormone levels and urine iodine were measured in all participants...
November 24, 2016: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27867885/trimester-specific-reference-interval-for-thyroid-hormones-during-pregnancy-at-a-tertiary-care-hospital-in-haryana-india
#4
Rajesh Rajput, Bhagat Singh, Vasudha Goel, Amit Verma, Shashi Seth, Smiti Nanda
BACKGROUND: Reference intervals for thyroid hormone during pregnancy need to be gestational age, method, and population specific and there is need to establish trimester-specific thyroid levels for the different population across the world. The aim of this study was to establish trimester-specific reference range for thyroid hormone during pregnancy in a tertiary care center in Haryana. MATERIALS AND METHODS: A total of 1430 pregnant women were recruited for the study...
November 2016: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27833458/monitoring-the-prevalence-of-thyroid-disorders-in-the-adult-population-of-northeast-germany
#5
Rehman Mehmood Khattak, Till Ittermann, Matthias Nauck, Harald Below, Henry Völzke
BACKGROUND: Only a few studies like ours have investigated the effect of long-term stable iodine supply on thyroid disorders in a historically iodine-deficient population, but not with a long follow-up time of 10 years. METHODS: Data were derived from two independent population-based cohorts of the Study of Health in Pomerania (SHIP-0 [1997-2001] and SHIP-TREND [2008-2012]) comprising 4308 and 4420 subjects, respectively. Diagnosed thyroid disorders were assessed...
2016: Population Health Metrics
https://www.readbyqxmd.com/read/27829313/taz-induction-directs-differentiation-of-thyroid-follicular-cells-from-human-embryonic-stem-cells
#6
Risheng Ma, Syed Morshed, Rauf Latif, Terry F Davies
OBJECTIVE: The differentiation program for human thyroid follicular cells (TFCs) relies on the interplay between sequence-specific transcription factors and transcriptional co-regulators. TAZ (transcriptional co-activator with PDZ-binding motif) is a co-activator that regulates several transcription factors, including PAX8 and NKX2-1, which play a central role in thyroid-specific gene transcription. TAZ and PAX8/NKX2-1 are co-expressed in the nuclei of thyroid cells and TAZ interacts directly with both PAX8 and NKX2-1 leading to their enhanced transcriptional activity on the thyroglobulin (TG) promoter and additional genes...
November 9, 2016: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/27793633/use-of-177-lu-dotatate-in-the-treatment-of-iodine-refractory-thyroid-carcinomas
#7
P Oliván-Sasot, M Falgás-Lacueva, J García-Sánchez, V Vera-Pinto, C Olivas-Arroyo, P Bello-Arques
In a patient with a differentiated thyroid cancer the standard treatment protocol to be followed is surgery, ablation of thyroid remnants with (131)Iodine ((131)I), and TSH suppression. However, the treatment with (131)I is not effective in some cases, and it no longer becomes a therapeutic option due to cell de-differentiation with loss of (131)I uptake. Systemic treatment can be used as other options, although patients are not always responsive; thus, the disease may progress and therapeutic options may run out...
October 25, 2016: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/27783680/human-exposures-to-bisphenol-a-bisphenol-f-and-chlorinated-bisphenol-a-derivatives-and-thyroid-function
#8
Xanthi D Andrianou, Stephanie Gängler, Andra Piciu, Pantelis Charisiadis, Christina Zira, Kyriacos Aristidou, Doina Piciu, Russ Hauser, Konstantinos C Makris
Although the increasing prevalence of thyroid nodular disease (TND) has been partially attributed to the more frequent usage of improved diagnostics, environmental factors, such as exposures to thyroid-disrupting chemicals may contribute to TND and altered thyroid function. We investigated the association between exposures to bisphenol A (BPA), its chlorinated derivatives (ClxBPA), and bisphenol F (BPF) with TND and thyroid measures in adult women. A case-control study in Cyprus and Romania (n = 212) was conducted, where cases were those with thyroid nodules (diameter >3mm), and controls without nodules...
2016: PloS One
https://www.readbyqxmd.com/read/27768855/population-survey-of-iodine-deficiency-and-environmental-disruptors-of-thyroid-function-in-young-children-in-haiti
#9
Julia Elisabeth von Oettingen, Tesha Dawn Brathwaite, Christopher Carpenter, Ric Bonnell, Xuemei He, Lewis E Braverman, Elizabeth N Pearce, Philippe Larco, Nancy Charles Larco, Eddy Jean-Baptiste, Rosalind S Brown
CONTEXT: Iodine deficiency is the leading cause of preventable neurodevelopmental delay in children worldwide. It is a possible public health concern in Haiti. OBJECTIVE: To perform a population iodine survey in Haitian young children, and its influence by environmental factors. DESIGN: Cross-sectional study, March-June 2015. SETTING: Community churches in 3 geographical regions in Haiti. PARTICIPANTS: 299 healthy Haitian children aged 9 months to 6 years; 100 enrolled in coastal (C) and mountainous (M) regions, and 99 in an urban region (U)...
October 21, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27762729/thyroglobulin-as-a-functional-biomarker-of-iodine-status-in-a-cohort-study-of-pregnant-women-in-the-united-kingdom
#10
Sarah C Bath, Victor J M Pop, Victoria L Furmidge-Owen, Maarten A C Broeren, Margaret P Rayman
BACKGROUND: Though iodine deficiency in pregnancy is a matter of public-health concern, a functional measure of iodine status is lacking. The thyroid-specific protein thyroglobulin (Tg), which reflects thyroid size, has shown promise as a functional measure in studies of children and adults, but data in pregnancy are sparse. In a cohort of mildly to moderately iodine-deficient pregnant women, this study aimed to explore whether serum Tg is a sensitive functional biomarker of iodine status and to examine longitudinal change in Tg with gestational age...
November 18, 2016: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/27760010/effect-of-nitrates-thiocyanates-and-selenium-on-the-iron-and-iodine-status-of-postpartum-women
#11
Anelia V Bivolarska, Ana I Maneva, Penka D Gatseva, Mariana N Katsarova
AIM: To find correlations between high thiocyanate and nitrate levels and low selenium levels and the indicators of the iodine and iron status of postpartum women. MATERIALS AND METHODS: The study included 41 mothers aged 26.4±5.9 yrs from Asenovgrad and nearby villages. Urinary iodine was determined by the Sandell-Kolthoff reaction and thiocyanate - by the interaction of these ions with acidic solution of KMnO4; for serum nitrates we used the colorimetric method; serum selenium was assessed by electro-thermal atomic-absorption spectrophotometry; thyroxin (FT4), the thyroid stimulating hormone (TSH), serum ferritin (SF), and serum transferrin receptor (sTfR) were determined using ELISA; Hb levels were determined by hematology analyzer...
September 1, 2016: Folia Medica
https://www.readbyqxmd.com/read/27737479/thyroid-peroxidase-antibodies-in-non-autoimmune-hyperthyroidism-treated-with-radioactive-iodine
#12
M H Listewnik, M J Listewnik, T Miazgowski, K Jaskólska, K Jasiakiewicz, B Birkenfeld
Introduction: Earlier studies suggest increased serum levels of thyroid peroxidase antibodies (TPOAb) in some cases with non-autoimmune hyperthyroidism. The aim of the study was to assess the incidence of hypothyroidism in patients with nodular toxic goitre and toxic adenoma at 12 months after radioactive iodine therapy in the relation to TPOAb levels. Patients & Measurements: The study comprised 100 patients (83 females; 17 males) treated with radioactive iodine therapy. Serum concentrations of thyrotropin, free thyroxin, TPOAb, and anti-TSH receptor antibodies were assessed at baseline and 12 months after radioactive iodine therapy...
October 2016: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/27734713/lenvatinib-for-the-treatment-of-radioiodine-refractory-differentiated-thyroid-carcinoma-a-systematic-review-and-indirect-comparison-with-sorafenib
#13
Pawel Kawalec, Iwona Malinowska-Lipień, Tomasz Brzostek, Maria Kózka
Thyroid carcinoma is the most prevalent endocrine malignancy, with an increasing incidence over the past decades. Treatment of differentiated thyroid cancer consists of surgery followed by radioactive iodine (RAI) ablation of the thyroid remnant, and TSH suppression. Among new therapeutic solutions for patients with advanced RR-DTC stage, the most promising seem to be sorafenib and lenvatinib, up to now considered to be orphan drugs. Areas covered: We performed a systematic review of medical databases to collect all eligible clinical trials referring to the topic of our analysis...
October 28, 2016: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/27734689/-urinary-iodine-concentration-in-adult-patients-with-type-1-diabetes-mellitus
#14
Michala Vosátková, Denisa Janíčková Žďarská, Václav Zamrazil, Martina Salátová, Martin Hill, Karel Vondra
INTRODUCTION: In patients with type 1 and 2 diabetes mellitus only rare data concerning the status of iodine supplementation and impact of possible iodine deficiency is available. AIM: To get basic information about (a) state of supply with iodine in patients with type 1 diabetes mellitus (DM1T), (b) the difference from non-diabetic population, (c) possible association of iodine saturation with some clinical and laboratory features of the diabetic syndrome, including the state of thyroid gland...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27733101/reference-intervals-of-thyroid-function-during-pregnancy-self-sequential-longitudinal-study-vs-cross-sectional-study
#15
Xiaomei Zhang, Baoting Yao, Chenyan Li, Jinyuan Mao, Weiwei Wang, Xiaochen Xie, Xiaochun Teng, Cheng Han, Weiwei Zhou, Chenyang Li, Bin Xu, Lihua Bi, Tao Meng, Jianling Du, Shaowei Zhang, Zhengnan Gao, Liu Yang, Chenling Fan, Weiping Teng, Zhongyan Shan
BACKGROUND: Self-sequential longitudinal reference interval may be expected to minimize the inter-individual variation of thyroid function. Comparison between self-sequential longitudinal reference interval and cross-sectional reference interval in pregnancy has not been well investigated. The objective of this study is to establish a stringent self-sequential longitudinal reference interval (SLRI) of thyroid function in pregnant women and to compare it with the conventional cross-sectional reference interval (CSRI)...
October 12, 2016: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/27732337/dried-blood-spot-thyroglobulin-as-a-biomarker-of-iodine-status-in-pregnant-women
#16
Sara Stinca, Maria Andersson, Sandra Weibel, Isabelle Aeberli-Herter, Ralph Fingerhut, Sueppong Gowachirapant, Sonja Y Hess, Nidhi Jaiswal, Tomislav Jukić, Zvonko Kusic, Ngoako Solomon Mabapa, Ashwini Kumar Nepal, Teofilo O L San Luis, Jia Qing Zhen, Michael Bruce Zimmermann
CONTEXT: Thyroglobulin (Tg) may be a sensitive biomarker of iodine nutrition in pregnant women (PW). A dried blood spot (DBS) assay would simplify collection and transport in field studies. OBJECTIVES: Our aims were to: 1) establish a reference range for DBS-Tg in iodine-sufficient PW; 2) test this reference range in PW with a range of iodine intakes; and 3) determine if co-measurement of Tg antibodies (Ab) is necessary to define population iodine status. Design, Settings and Participants: Standardized cross-sectional studies in 3870 PW from 11 countries with iodine intakes from deficient to more-than-adequate...
October 12, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27729026/urinary-iodine-and-thyroid-determinants-in-pregnancy-a-follow-up-study-in-sri-lanka
#17
Eric De Zoysa, Manjula Hettiarachchi, Chandrani Liyanage
BACKGROUND: Iodine deficiency and thyroid dysfunction during pregnancy is associated with number of adverse outcomes that includes mental and physical disabilities creating a huge human and economic burden in later life. Several indicators are used to assess the iodine status of a population: thyroid size by palpation and/or by ultrasonography, urinary iodine excretion and the blood thyroid hormone profile. METHODS: This prospective study was designed to assess the iodine nutrition during the course of pregnancy with reference to urine iodine concentration (UIC) and thyroid determinants among 425 pregnant women from Galle district, Sri Lanka...
October 12, 2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27721492/multiple-factor-analysis-of-the-first-radioactive-iodine-therapy-in-post-operative-patients-with-differentiated-thyroid-cancer-for-achieving-a-disease-free-status
#18
Na Liu, Zhaowei Meng, Qiang Jia, Jian Tan, Guizhi Zhang, Wei Zheng, Renfei Wang, Xue Li, Tianpeng Hu, Arun Upadhyaya, Pingping Zhou, Sen Wang
(131)I treatment is an important management method for patients with differentiated thyroid cancer (DTC). Unsuccessful (131)I ablation drastically affects the prognosis of the patients. This study aimed to analyze potential predictive factors influencing the achievement of a disease-free status following the first (131)I therapy. This retrospective review included 315 DTC patients, and multiple factors were analyzed. Tumor size, pathological tumor stage, lymph node (LN) metastasis, distant metastasis, American Thyroid Association recommended risks, pre-ablation thyroglobulin (Tg), and thyroid stimulating hormone (TSH) displayed significant differences between unsuccessful and successful group...
October 10, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27711957/evaluation-of-ovarian-reserve-with-amh-level-in-patients-with-well-differentiated-thyroid-cancer-receiving-radioactive-iodine-ablation-treatment
#19
F Acıbucu, D O Acıbucu, Ö B Akkar, H S Dokmetas
Introduction: Radioactive iodine (RAI) ablation treatment is used for patients diagnosed with well-differentiated thyroid cancer in order to reduce the risk of recurrence. RAI ablation treatment can adversely affect gonads in males and females. In this study, we aimed to determine ovary damage and infertility risk due to RAI, using serum anti-Müllerian hormone (AMH) level, in females who received RAI ablation treatment. Materials and Methods: 45 female patients who have not gone through the menopause and had received RAI ablation treatment for well-differentiated thyroid cancer in premenopausal period, and 40 healthy females as control groups were included in this study...
November 2016: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/27704399/consensus-on-the-management-of-advanced-radioactive-iodine-refractory-differentiated-thyroid-cancer-on-behalf-of-the-spanish-society-of-endocrinology-thyroid-cancer-working-group-gtseen-and-spanish-rare-cancer-working-group-gethi
#20
J Capdevila, J C Galofré, E Grande, C Zafón Llopis, T Ramón Y Cajal Asensio, E Navarro González, P Jiménez-Fonseca, J Santamaría Sandi, J M Gómez Sáez, G Riesco Eizaguirre
Thyroid cancer is the single most prevalent endocrine malignancy; differentiated thyroid cancer (DTC) accounts for more than 90 % of all malignancies and its incidence has been rising steadily. For more patients, surgical treatment, radioactive iodine (RAI) ablation, and thyroid-stimulating hormone (TSH) suppressive therapy achieve an overall survival (OS) rate of 97.7 % at 5 years. Nevertheless, locoregional recurrence occurs in up to 20 % and distant metastases in approximately 10 % at 10 years. Two-thirds of these patients will never be cured with radioactive iodine therapy and will become RAI-refractory, with a 3-year OS rate of less than 50 %...
October 4, 2016: Clinical & Translational Oncology
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