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subclinical hypothyroidism

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https://www.readbyqxmd.com/read/29135488/endocrine-manifestations-of-down-syndrome
#1
Rachel Whooten, Jessica Schmitt, Alison Schwartz
PURPOSE OF REVIEW: To summarize the recent developments in endocrine disorders associated with Down syndrome. RECENT FINDINGS: Current research regarding bone health and Down syndrome continues to show an increased prevalence of low bone mass and highlights the importance of considering short stature when interpreting dual energy x-ray absorptiometry. The underlying cause of low bone density is an area of active research and will shape treatment and preventive measures...
November 11, 2017: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/29132170/thyroid-dysfunction-states-and-incident-cardiovascular-events-the-tehran-thyroid-study
#2
Maryam Tohidi, Arash Derakhshan, Samaneh Akbarpour, Atieh Amouzegar, Ladan Mehran, Aidin Baghbani-Oskouei, Fereidoun Azizi, Farzad Hadaegh
The objective of the study was to investigate the relation of different thyroid function states with the incidence of cardiovascular disease (CVD)/coronary heart disease (CHD) among a Middle-Eastern population with a high incidence of CVD/CHD. A total of 3975 participants entered the study (43.6% men). According to their thyroid stimulating hormone (TSH) and free thyroxin (FT4) levels, the participants were categorized into 5 groups: euthyroid, subclinical hypothyroidism, overt hypothyroidism, subclinical hyperthyroidism, and overt hyperthyroidism...
November 13, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/29127763/thyroid-evaluation-of-children-and-adolescents-with-williams-syndrome-in-zhejiang-province
#3
Wei-Jun Chen, Chai Ji, Dan Yao, Zheng-Yan Zhao
BACKGROUND: The objective of the study was to describe the prevalence of abnormal thyroid function and volume in children and adolescents with Williams syndrome (WS) in Zhejiang Province, China. METHODS: Thyroid function, including thyroid-stimulating hormone (TSH), free triiodothyronine (fT3), free thyroxine (fT4), and thyroid antibodies (thyroid peroxidase and thyroglobulin) were measured in 83 patients with WS, aged 0.2-16.5 years. Twenty-three patients were followed for an average of 1...
November 11, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29126290/effects-of-levothyroxine-on-pregnant-women-with-subclinical-hypothyroidism-negative-for-thyroid-peroxidase-antibodies
#4
Sima Nazarpour, Fahimeh Ramezani Tehrani, Masoumeh Simbar, Maryam Tohidi, Sonia Minooee, Maryam Rahmati, Fereidoun Azizi
Context: Currently, there is no consensus on universal thyroid screening and Levothyroxine (LT4) treatment of subclinical hypothyroid pregnant women who are negative for thyroid peroxidase antibody (SCH-TPOAb-). Objective: We aimed to evaluate the benefits of LT4 treatment on pregnancy outcomes in SCH-TPOAb- women. Design: This study was conducted within the framework of the Tehran Thyroid and pregnancy study. A single-blind randomized clinical trial was undertaken on SCH-TPOAb- pregnant women...
November 6, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29120652/-hypothyroidism-in-patients-with-heart-disease
#5
Jan Jiskra
Hypothyroidism is frequently found in patients with heart disease. It is a risk factor for atherosclerosis and ischemic heart disease and has a direct negative effect on both the left and right ventricular functions (hypothyroidism-induced cardiomyopathy). The confirmed manifest hypothyroidism is always a reason for replacement therapy with levothyroxine; regarding patients with heart disease, we always begin treatment with a small dose and increase it gradually. The treatment of subclinical hypothyroidism in patients with heart disease is disputable and its benefits probably depend on age...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/29120650/-thyroid-screening-in-pregnancy-guideline-in-practice
#6
Patrícia Páleníková, Iveta Kalafutová, Zdenka Horníková, Juraj Payer
Thyroid diseases may adversely affect the conception, maintain pregnancy. They increase the risk of complications in pregnancy and may have a negative effect on the fetus. Therefore it is necessary to capture thyroid diseases in the population of pregnant women, in the early stage of pregnancy. In Slovakia, since 2009, the Expert Guideline of the Ministry of Health of the Slovak Republic for the diagnosis and treatment of autoimmune thyroid diseases in women during pregnancy has been in force. In our patient cohort, we monitored 666 pregnant patients, the timeliness of screening, thyroid parameters, the number of pregnancies and their complications, the need for levothyroxine treatment...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/29111858/women-s-health-endocrine-update
#7
Ekta Kapoor, Stephanie Faubion, Stephanie Hines, Cynthia A Stuenkel
The clinical update serves as a brief review of recently published, high-impact, and potentially practice changing journal articles summarized for our readers. Topics include menopause, sexual dysfunction, breast health, contraception, osteoporosis, and cardiovascular disease. In this clinical update, we selected four recent high-impact publications related to endocrine issues in women. We have chosen to highlight research on subclinical hypothyroidism during pregnancy and adverse pregnancy outcomes, including cognitive outcomes in offspring; the progression of metabolic syndrome severity during the menopausal transition; and the association of diabetes and metformin use with cancer risk and mortality...
November 7, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/29102947/functional-abnormalities-and-thyroid-nodules-in-patients-with-end-stage-renal-disease
#8
Vania Cuna, Viola Menghi, Giorgia Comai, Maria Cappuccilli, Giuseppe Cianciolo, Concettina Raimondi, Francesco Grammatico, Gabriele Donati, Olga Baraldi, Irene Capelli, Gaetano LA Manna
BACKGROUND/AIM: Clinical and subclinical hypothyroidism is more common in patients with end-stage renal disease (ESRD) than in the general population. Patients with ESRD with hypothyroidism are more susceptible to cardiovascular disease, with an increased risk of mortality than those with normal thyroid function. Moreover, these patients have higher incidence of benign and malignant nodules. PATIENTS AND METHODS: This was a retrospective study on 2,147 patients with ESRD on the renal transplant waiting list between 2000 and 2015 aimed at identifying the presence of hypothyroidism and associated variables...
November 2017: In Vivo
https://www.readbyqxmd.com/read/29099999/high-fat-simple-carbohydrate-diet-intake-induces-hypothalamic-pituitary-thyroid-axis-dysregulation-in-c57bl-6j-male-mice
#9
Swarnalatha Banavara Nagaraj, Neena Roy, Mahesh Manjunath Gouda, Rajeish Moger, Asha Abraham
Given the association between subclinical hypothyroidism and metabolic syndrome (MetS), we wanted to explore if high fat simple carbohydrate (HFSC) diet affect hypothalamus-pituitary-thyroid axis. One month old male C57BL/6J mice were fed with Control (C) and HFSC (T) feed (n=18 each) respectively for 5 months. T3 showed a significant increase in T(13.5%) compared to age matched C by 5th month.TSH was significantly high (1mo:1.9fold; 3mo:2.66 fold; 5mo:3.5fold) from 1stmonth to 5thmonth in T compared to age matched C...
November 3, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29096222/thyrotropin-level-and-cognitive-performance-baseline-results-from-the-elsa-brasil-study
#10
Claudia Szlejf, Claudia K Suemoto, Itamar S Santos, Paulo A Lotufo, Maria de Fátima Haueisen Sander Diniz, Sandhi Maria Barreto, Isabela M Benseñor
BACKGROUND AND AIMS: The role of subtle thyroid alterations, such as subclinical thyroid disease and low/high serum thyrotropin (TSH) within the normal range, on cognitive decline is controversial. The aim of this study was to evaluate the association of serum TSH and subclinical thyroid dysfunction with performance on cognitive tests in a large sample of Brazilian middle-aged adults without overt thyroid disease. METHODS: In this cross-sectional analysis of the Brazilian Longitudinal Study of Adult Health, we excluded individuals aged 65 years and older, with overt thyroid dysfunction, prevalent stroke, in use of medications that affect thyroid function or that indicate neurologic diseases, and from Asian or indigenous ethnicity...
October 20, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29094893/treatment-of-subclinical-hypothyroidism-ineffective-in-older-adults
#11
Mark H Ebell
No abstract text is available yet for this article.
October 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/29084189/-multiorgan-malfunction-after-fontan-operation-in-adult-patients
#12
Monika Smaś-Suska, Paweł Iwaszczuk, Beata Róg, Piotr Weryński, Maria Olszowska, Piotr Podolec, Lidia Tomkiewicz-Pająk
Although 85% of patients with univentricular heart after Fontan procedure survive twenty years after operation, the procedure alone seems to be an inadequate treatment as a permanent clinical solution. Patients with a "Fontan physiology" additionally have to face a various extra-cardiac complications, including thyroid, liver and kidney dysfunction, which are not only potentially life-threatening, but also can potentiate the circulatory insufficiency. AIM: The aim of the study was to assess a multiorgan dysfunction in adult patients after Fontan operation in long term follow-up and compare to healthy controls...
October 23, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29081800/relationship-between-subclinical-thyroid-dysfunction-and-the-risk-of-cardiovascular-outcomes-a-systematic-review-and-meta-analysis-of-prospective-cohort-studies
#13
REVIEW
Jing Sun, Liang Yao, Yuan Fang, Ruifei Yang, Yaolong Chen, Kehu Yang, Limin Tian
BACKGROUND: Evidence on the association between subclinical thyroid dysfunction and the risk of cardiovascular outcomes are conflicting. METHODS AND RESULTS: PubMed, EMbase, Web of Science, Cochrane Library, and China Biology Medicine (CBM) databases were searched from inception to July 10, 2016. A total of 16 studies were included for meta-analysis. We found that subclinical hypothyroidism was not correlated with coronary heart disease (CHD) (RR = 1.17; 95% CI, 0...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/29080044/metformin-effect-on-tsh-in-subclinical-hypothyroidism-randomized-double-blind-placebo-controlled-clinical-trial
#14
Mateus Dornelles Severo, Thais Stürmer Andrade, Vicente Correa Junior, Alexandre Antonio Naujorks, Miguel Gus, Beatriz D Schaan
INTRODUCTION: Non-randomized trials suggest that metformin may reduce TSH levels through unknown mechanisms. OBJECTIVE: To evaluate whether metformin can reduce TSH levels in subjects with subclinical hypothyroidism. PATIENTS AND METHODS: This is a randomized, double-blind, placebo controlled clinical trial with 3 months duration that enrolled 48 individuals, between 18 and 65 years, with subclinical hypothyroidism. The patients were randomized to the use of metformin 850 mg or placebo twice a day for 3 months...
October 27, 2017: Endocrine
https://www.readbyqxmd.com/read/29070512/debate-identifying-and-treating-subclinical-thyroid-dysfunction-in-pregnancy-emerging-controversies
#15
Ines I Velasco, Peter Nicholas Taylor
Thyroid hormones are essential for an adequate growth and development of the foetus. In addition to the classical association between maternal hypothyroidism and neurological impairment in the progeny, other adverse reproductive events have been associated with maternal thyroid dysfunction including infertility, miscarriage and preterm delivery. Although all scientific societies endorse the treatment of overt hypothyroidism; the management and/or treatment of subclinical hypothyroidism, hypothyroxinemia or antithyroid antibody-positive women should be considered with caution...
October 25, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/29067607/physiological-serum-25-hydroxyvitamin-d-concentrations-are-associated-with-improved-thyroid-function-observations-from-a-community-based-program
#16
Naghmeh Mirhosseini, Ludovic Brunel, Giovanna Muscogiuri, Samantha Kimball
PURPOSE: Vitamin D deficiency has been associated with an increased risk of hypothyroidism and autoimmune thyroid disease. Our aim was to investigate the influence of vitamin D supplementation on thyroid function and anti-thyroid antibody levels. METHODS: We constructed a database that included 11,017 participants in a health and wellness program that provided vitamin D supplementation to target physiological serum 25-hydroxyvitmain D [25(OH)D] concentrations (>100 nmol/L)...
October 24, 2017: Endocrine
https://www.readbyqxmd.com/read/29067257/a-study-of-serum-igg4-levels-in-the-clinical-metamorphosis-of-autoimmune-thyroid-disease
#17
Yotsapon Thewjitcharoen, Sirinate Krittiyawong, Sriurai Porramatikul, Ekgaluck Wanothayaroj, Nampetch Lekpittaya, Jirapat Jeamjiraprasert, Soontaree Nakasatien, Thep Himathongkam
BACKGROUND: Measurement of serum IgG4 had been suggested to distinguish the unique subtypes of autoimmune thyroid disease (AITD) which demonstrated patterns of fluctuating between hyperthyroidism and hypothyroidism. However, the clinical utility of serum IgG4 measurement is inconclusive due to few studies having addressed these unusual patients compared with the specificity of serum IgG4 in healthy patients. AIM: To investigate whether elevated serum IgG4 levels could be used as a marker to identify fluctuating AITD patients...
June 2017: Journal of Clinical & Translational Endocrinology
https://www.readbyqxmd.com/read/29067240/benign-thyroid-disease-in-pregnancy-a-state-of-the-art-review
#18
REVIEW
Efterpi Tingi, Akheel A Syed, Alexis Kyriacou, George Mastorakos, Angelos Kyriacou
Thyroid dysfunction is the commonest endocrine disorder in pregnancy apart from diabetes. Thyroid hormones are essential for fetal brain development in the embryonic phase. Maternal thyroid dysfunction during pregnancy may have significant adverse maternal and fetal outcomes such as preterm delivery, preeclampsia, miscarriage and low birth weight. In this review we discuss the effect of thyroid disease on pregnancy and the current evidence on the management of different thyroid conditions in pregnancy and postpartum to improve fetal and neonatal outcomes, with special reference to existing guidelines on the topic which we dissect, critique and compare with each other...
December 2016: Journal of Clinical & Translational Endocrinology
https://www.readbyqxmd.com/read/29067046/subclinical-hypothyroidism-frequency-clinical-presentations-and-treatment-indications
#19
Mubashir Alam Khan, Tasnim Ahsan, Urooj Lal Rehman, Rukhshanda Jabeen, Saad Farouq
OBJECTIVE: To determine the frequency, modes of clinical presentation and indications for replacement therapy in a cohort of patients with subclinical hypothyroidism (SCH). METHODS: This study was conducted at the Endocrine and Diabetes Unit of Jinnah Postgraduate Medical Centre from September 2007 - October 2015. This was a retrospective chart analysis of prospectively collected data in whichthe medical records of 4448 patients who had presented to the Endocrine Clinic from 2007 to 2015 were reviewed...
July 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29064607/hypothalamic-pituitary-thyroid-hpt-axis-functioning-in-anxiety-disorders-a-systematic-review
#20
REVIEW
Susanne Fischer, Ulrike Ehlert
Depression has repeatedly been linked to subclinical hypothyroidism, and thyroid hormones have successfully been used to augment antidepressant treatment. By contrast, the extent of thyroid dysfunction in anxiety disorders remains less clear. This is surprising, given that anxiety-related symptoms (e.g., nervousness, palpitations, increased perspiration) are highly prevalent in hyperthyroidism. The present study was undertaken to synthesize the literature on hypothalamic-pituitary-thyroid (HPT) axis functioning in anxiety disorders...
October 24, 2017: Depression and Anxiety
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