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subclinical hyperthyroidism

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https://www.readbyqxmd.com/read/27926474/the-association-of-thyroid-function-and-the-risk-of-kidney-function-decline-a-population-based-cohort-study
#1
Layal Chaker, Sanaz Sedaghat, Ewout J Hoorn, Wendy P J Den Elzen, Jacobijn Gussekloo, Albert Hofman, M Arfan Ikram, Oscar H Franco, Abbas Dehghan, Robin P Peeters
OBJECTIVES: Thyroid dysfunction has been associated with kidney function decline, but mainly in cross-sectional studies. Therefore, we aimed to determine the association between thyroid and kidney function in a prospective population-based cohort study longitudinally. DESIGN: Prospective cohort study. METHODS: Participants aged ≥45 years from the Rotterdam Study with thyroid and kidney function assessment were included. Kidney function and new onset chronic kidney disease (CKD) were defined using estimated glomerular filtration ate (eGFR), with CKD defined as eGFR <60 mL/min/1...
December 2016: European Journal of Endocrinology
https://www.readbyqxmd.com/read/27920832/risk-factors-for-amiodarone-induced-thyroid-dysfunction-in-japan
#2
Sayoko Kinoshita, Tomohiro Hayashi, Kyoichi Wada, Mikie Yamato, Takeshi Kuwahara, Toshihisa Anzai, Mai Fujimoto, Kouichi Hosomi, Mitsutaka Takada
BACKGROUND: Amiodarone is associated with a number of significant adverse effects, including elevated transaminase levels, pulmonary fibrosis, arrhythmia, and thyroid dysfunction. Although thyroid dysfunction is considered to be a common and potentially serious adverse effect of amiodarone therapy, the exact pathogenesis remains unknown because of its complex manifestations. Therefore, the prevalence of, and risk factors for, amiodarone-induced thyroid dysfunction in Japanese patients were investigated in the present study...
December 2016: Journal of Arrhythmia
https://www.readbyqxmd.com/read/27866202/the-evolution-of-thyroid-function-after-presenting-with-hashimoto-thyroiditis-is-different-between-initially-euthyroid-girls-with-and-those-without-turner-syndrome
#3
Malgorzata Wasniewska, Mariacarolina Salerno, Andrea Corrias, Laura Mazzanti, Patrizia Matarazzo, Domenico Corica, Tommaso Aversa, Maria Francesca Messina, Filippo De Luca, Mariella Valenzise
AIM: To prospectively investigate, during a 5-year follow-up, whether the prognosis of thyroid function with Hashimoto thyroiditis (HT) is different in euthyroid girls with Turner syndrome (TS) than in euthyroid girls without TS. DESIGN: In 66 TS girls and 132 non-TS girls with euthyroid HT and similar thyroid functional test results at HT diagnosis, we followed up the evolution of thyroid status over time. RESULTS: At the end of follow-up, the TS girls exhibited higher TSH levels, lower fT4 levels, and lower prevalence rates of both euthyroidism and subclinical hypothyroidism, but higher prevalence rates of both overt hypothyroidism and hyperthyroidism, irrespective of the karyotype...
November 19, 2016: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/27864708/thyroid-dysfunction-and-kidney-disease-an-update
#4
REVIEW
Pedro Iglesias, María Auxiliadora Bajo, Rafael Selgas, Juan José Díez
Thyroid hormones influence renal development, kidney hemodynamics, glomerular filtration rate and sodium and water homeostasis. Hypothyroidism and hyperthyroidism affect renal function by direct renal effects as well as systemic hemodynamic, metabolic and cardiovascular effects. Hypothyroidism has been associated with increased serum creatinine and decreased glomerular filtration rate. The reverse effects have been reported in thyrotoxicosis. Most of renal manifestations of thyroid dysfunction are reversible with treatment...
November 18, 2016: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/27844210/is-subclinical-hyperthyroidism-a-real-syndrome-different-from-overt-hyperthyroidism
#5
EDITORIAL
Raffaele Giubbini, Alessia Peli
No abstract text is available yet for this article.
November 14, 2016: Endocrine
https://www.readbyqxmd.com/read/27843806/a-2016-italian-survey-about-the-clinical-use-of-selenium-in-thyroid-disease
#6
Roberto Negro, Roberto Attanasio, Franco Grimaldi, Claudio Marcocci, Rinaldo Guglielmi, Enrico Papini
BACKGROUND: Selenium (Se) is a trace element that plays key roles in thyroid physiology. Se deficiency is associated with increased risk of thyroid disease. Some evidence suggests that Se supplementation may be beneficial in autoimmune thyroid disease (either hypo- or hyperthyroidism). OBJECTIVES: We sought to examine the use of Se in daily clinical practice among Italian endocrinologists. METHODS: Members of the Associazione Medici Endocrinologi (AME) were invited to participate in a web-based survey investigating the use of Se in different clinical conditions...
September 2016: European Thyroid Journal
https://www.readbyqxmd.com/read/27835928/population-based-national-prevalence-of-thyroid-dysfunction-in-spain-and-associated-factors-di-bet-es-study
#7
Sergio Valdes, Cristina Maldonado-Araque, Ana Lago-Sampedro, J Antonio Lillo, Eduardo Garcia-Fuentes, Vidal Perez, Carolina Gutierrez-Repiso, Pilar Ocon-Sanchez, Albert Goday-Arno, Ines Urrutia, Laura Pelaez, Alfonso Calle-Pascual, Elena Bordiú, Luis Castaño, Conxa Castell, Elias Delgado Álvarez, Edelmiro Menendez, Josep Franch, Sonia Gaztambide, Joan Girbés, Emilio Ortega, Alfonso Lopez-Alba, Felipe J Chaves, Joan Vendrell, Matilde Rodriguez Chacon, Federico Soriguer, Gemma Rojo-Martinez
BACKGROUND: The aim of this study was to investigate the national prevalence of thyroid dysfunction in Spain, and its association with various clinical, environmental and demographic variables. METHODS: The present report includes 4554 people (42.4% men) with a mean age of 50 years (range 18-93 years) participants in a national, cross-sectional, population-based survey conducted in 2009-10. Data gathered included clinical and demographic characteristics, physical examination and blood sampling...
November 11, 2016: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/27818781/subclinical-hypothyroidism-is-an-independent-predictor-of-adverse-cardiovascular-outcomes-in-patients-with-acute-decompensated-heart-failure
#8
Tomohiro Hayashi, Takuya Hasegawa, Hideaki Kanzaki, Akira Funada, Makoto Amaki, Hiroyuki Takahama, Takahiro Ohara, Yasuo Sugano, Satoshi Yasuda, Hisao Ogawa, Toshihisa Anzai
AIMS: Altered thyroid hormone metabolism characterized by a low triiodothyronine (T3), so-called low-T3 syndrome, is a common finding in patients with severe systemic diseases. Additionally, subclinical thyroid dysfunction, defined as abnormal thyroid stimulating hormone (TSH) and normal thyroxine (T4), causes left ventricular dysfunction. Our objective was to identify the prevalence and prognostic impact of low-T3 syndrome and subclinical thyroid dysfunction in patients with acute decompensated heart failure (ADHF)...
September 2016: ESC Heart Failure
https://www.readbyqxmd.com/read/27811932/thyroid-hormones-and-cardiovascular-disease
#9
REVIEW
Avais Jabbar, Alessandro Pingitore, Simon H S Pearce, Azfar Zaman, Giorgio Iervasi, Salman Razvi
Myocardial and vascular endothelial tissues have receptors for thyroid hormones and are sensitive to changes in the concentrations of circulating thyroid hormones. The importance of thyroid hormones in maintaining cardiovascular homeostasis can be deduced from clinical and experimental data showing that even subtle changes in thyroid hormone concentrations - such as those observed in subclinical hypothyroidism or hyperthyroidism, and low triiodothyronine syndrome - adversely influence the cardiovascular system...
November 4, 2016: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/27790421/a-study-to-assess-the-validity-of-estimation-of-serum-ostase-level-in-hyperthyroid-and-hypothyroid-cases
#10
Polina Boruah, Arup Jyoti Baruah, Ranendra Hajong, Chandan Kumar Nath, Bhupen Barman, Happy Chutia, Kalyan Sarma
INTRODUCTION: One of the more specific assessments of the metabolic status of bone in normal and in disease conditions is the measurement of bone specific alkaline phosphatase or ostase. The measurement of serum ostase has several advantages over the measurements of other bone parameter. Because of its relatively long half-life, in-vivo (1 to 3days), it is relatively unaffected by diurnal variation. AIM: To find the correlation of serum ostase level in hyper and hypothyroid cases and also to study the validity of routine estimation of serum ostase in hyper and hypothyroid cases so as to monitor the base level bone health on presentation...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27781488/current-challenges-in-the-pharmacological-management-of-thyroid-dysfunction-in-pregnancy
#11
I Khan, O E Okosieme, J H Lazarus
Thyroid dysfunction is common in pregnancy and has adverse fetal and maternal health consequences. A number of challenges in the management of gestational thyroid dysfunction remain unresolved including uncertainties in optimal thresholds for correction of hypothyroidism and strategies for pharmacological management of hyperthyroidism. Areas covered: We addressed key challenges and areas of uncertainty in the management of thyroid dysfunction in pregnancy. Expert commentary: Gestational thyroid hormone reference intervals vary according to population ethnicity, iodine nutrition, and assay method and each population should derive trimester specific reference intervals for use in pregnancy...
November 8, 2016: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/27772762/low-t3-syndrome-in-neuromyelitis-optica-spectrum-disorder-associations-with-disease-activity-and-disability
#12
Eun Bin Cho, Ju-Hong Min, Hye-Jin Cho, Jin Myoung Seok, Hye Lim Lee, Hee Young Shin, Kwang-Ho Lee, Byoung Joon Kim
BACKGROUND: Neuromyelitis optica (NMO) sometimes coexists with serological marker-positive, non-organ-specific autoimmune disorders. We evaluated the prevalence of thyroid dysfunction and anti-thyroid antibodies in patients with NMO spectrum disorder (NMOSD) and investigated the associations between thyroid dysfunction/autoimmunity and clinical features of NMOSD. METHODS: Forty-nine NMOSD patients with anti-aquaporin-4 antibody and 392 age- and sex-matched healthy controls were included...
November 15, 2016: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/27741549/management-of-hyperthyroidism-during-the-preconception-phase-pregnancy-and-the-postpartum-period
#13
Sudipa Sarkar, Lindsay A Bischoff
Hyperthyroidism can occur during pregnancy and the postpartum period, and the treatment of hyperthyroidism should be considered in the preconception phase. Pregnancy has multiple normal physiologic effects on thyroid hormone, which is a separate process distinct from syndromes such as transient hyperthyroidism of hyperemesis gravidarum. The rationale regarding antithyroid drug use during different stages of pregnancy is reviewed, including the literature regarding adverse neonatal outcomes such as aplasia cutis and methimazole embryopathy in the setting of first trimester maternal methimazole use...
November 2016: Seminars in Reproductive Medicine
https://www.readbyqxmd.com/read/27734699/-thyroid-hormones-and-cardiovascular-system
#14
Zdeňka Límanová, Jan Jiskra
Cardiovascular system is essentially affected by thyroid hormones by way of their genomic and non-genomic effects. Untreated overt thyroid dysfunction is associated with higher cardiovascular risk. Although it has been studied more than 3 decades, in subclinical thyroid dysfunction the negative effect on cardiovascular system is much more controversial. Large meta-analyses within last 10 years have shown that subclinical hyperthyroidism is associated with higher cardiovascular risk than subclinical hypothyroidism...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27692273/abnormal-thyroid-hormones-and-non-thyroidal-illness-syndrome-in-obstructive-sleep-apnea-and-effects-of-cpap-treatment
#15
Albino Petrone, Flaminio Mormile, Giacomo Bruni, Michela Quartieri, Maria R Bonsignore, Oreste Marrone
OBJECTIVE: In obstructive sleep apnea (OSA), while both hypothyroidism and hyperthyroidism have been studied, the occurrence of non-thyroidal illness syndrome (NTIS) (normal thyroid stimulating hormone [TSH] with low triiodotironine) has not been investigated. We explored the occurrence of NTIS in patients with moderate to severe OSA and its relationship to the severity of nocturnal respiratory disorders. We also studied the occurrence of subclinical hypothyroidism (SH, ie, high TSH with normal thyroxine) in OSA and changes in circulating TSH, free triiodotironine (fT3) and free thyroxine (fT4) after CPAP treatment...
July 2016: Sleep Medicine
https://www.readbyqxmd.com/read/27689250/subclinical-thyroid-dysfunction-and-the-risk-of-cognitive-decline-a-meta-analysis-of-prospective-cohort-studies
#16
Carole Rieben, Daniel Segna, Bruno R da Costa, Tinh-Hai Collet, Layal Chaker, Carole E Aubert, Christine Baumgartner, Osvaldo P Almeida, Eef Hogervorst, Stella Trompet, Kamal Masaki, Simon P Mooijaart, Jacobijn Gussekloo, Robin P Peeters, Douglas C Bauer, Drahomir Aujesky, Nicolas Rodondi
CONTEXT: While both overt hyper- and hypothyroidism are known to lead to cognitive impairment, data on the association between subclinical thyroid dysfunction and cognitive function are conflicting. OBJECTIVE: To determine the risk of dementia and cognitive decline associated with subclinical thyroid dysfunction among prospective cohorts. DATA SOURCES: Search in MEDLINE, EMBASE until November 2014. STUDY SELECTION: Two physicians identified prospective cohorts that assessed thyroid function and cognitive outcomes (dementia; Mini-Mental State Examination, MMSE)...
September 30, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27677438/first-trimester-thyroid-stimulating-hormone-as-an-independent-risk-factor-for-adverse-pregnancy-outcome
#17
Nissim Arbib, Eran Hadar, Orly Sneh-Arbib, Rony Chen, Arnon Wiznitzer, Rinat Gabbay-Benziv
PURPOSE: Maternal thyroid gland dysfunction may adversely affect pregnancy outcome. We aimed to examine the association between subclinical thyroid dysfunction, both hypothyroidism and hyperthyroidism, to adverse pregnancy outcome. MATERIALS AND METHODS: Retrospective cohort study of all women with an available first trimester thyroid function testing and known pregnancy outcome, categorized to subclinical hypothyroidism, or hyperthyroidism and evaluated for complication during gestation and delivery...
October 17, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27664492/low-thyroid-stimulating-hormone-levels-are-associated-with-low-bone-mineral-density-in-femoral-neck-in-elderly-women
#18
Bo Ding, Ying Zhang, Qian Li, Yun Hu, Xiao-Jun Tao, Bing-Li Liu, Jian-Hua Ma, Dong-Mei Li
BACKGROUND AND AIMS: To determine the relationship between thyroid stimulating hormone (TSH) and bone mineral density (BMD) in elderly women. METHODS: This is a retrospective cross-sectional population cohort study of women aged ≥65 years. All 1097 subjects had no overt thyroid dysfunction, 47 had subclinical hyperthyroidism and 100 had subclinical hypothyroidism. Overall, 167 had normal BMD, 594 had osteopenia and 336 had osteoporosis. RESULTS: The femoral neck (FN) BMD was lower in women with lower TSH, with a high prevalance of osteoporosis and osteopenia (p = 0...
May 2016: Archives of Medical Research
https://www.readbyqxmd.com/read/27651121/total-thyroidectomy-a-clue-to-understanding-the-metabolic-changes-induced-by-subclinical-hyperthyroidism
#19
Pierre Bel Lassen, Aglaia Kyrilli, Maria Lytrivi, Maria Ruiz Patino, Bernard Corvilain
OBJECTIVE: The effects of endogenous subclinical hyperthyroidism (eSCH) on heart and bone have been well documented. There are only limited data available regarding the impact of eSCH on weight regulation and lipid metabolism. Our aim was to evaluate the changes in body weight and metabolic parameters after total thyroidectomy in patients with pre-operative eSCH compared with pre-operative patients with euthyroid (EUT). DESIGN: A retrospective study of 505 patients who underwent total thyroidectomy for benign multinodular goitre in an academic hospital in Brussels (Belgium) was performed...
September 21, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27647872/early-detection-of-biochemically-occult-autonomous-thyroid-nodules
#20
N Brusca, C Virili, M Cellini, S Capriello, L Gargano, R Salvatori, M Centanni, M G Santaguida
OBJECTIVE: Autonomously functioning thyroid areas may be associated with subclinical or overt hyperthyroidism, but may exist even in the presence of normal TSH. This study was aimed at comparing the rate of autonomously functioning areas and their cardiac sequelae in patients with nodular goitre studied with the usual and a novel approach. DESIGN AND METHODS: In total 490 adult outpatients with thyroid nodular goitre, living in a mild iodine-deficient area, were selected in our referral centre for thyroid diseases from 2009 to 2014 on the basis of a suspicion of thyroid functional autonomy...
December 2016: European Journal of Endocrinology
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