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subclinical hypothyroidism

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https://www.readbyqxmd.com/read/28640139/a-prisma-compliant-systematic-review-and-meta-analysis-of-the-relationship-between-thyroid-disease-and-different-levels-of-iodine-intake-in-mainland-china
#1
Wanwen Weng, Mengjie Dong, Jun Zhan, Jun Yang, Bo Zhang, Xingdong Zhao
BACKGROUND: Low-iodine intake has historically been an issue in China, causing widespread iodine deficiency diseases (IDD). China started to introduce universal salt iodization in 1995, but reports of increased thyroid disease are a concern and appropriate levels of iodine intake must be considered. OBJECTIVE: To assess the prevalence of thyroid disease with different urinary iodine concentrations (UICs) in the general population of those residing in mainland China...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28638825/thyroid-dysfunction-in-non-interferon-treated-hepatitis-c-patients-residing-in-hepatitis-endemic-area
#2
Nayab Batool, Shan Elahi, Nazish Saleem, Abrar Ashraf
BACKGROUND: Association of thyroid dysfunction (TD) with interferon treatment of HCV is well known to clinicians. However, a few studies have highlighted the role of hepatitis C virus per se in the development of TD. The aim of this study was to know the prevalence of TD in non-interferon treated HCV infected patients referred for thyroid function testing. PATIENTS AND METHODS: Among 557 ELISA-positive HCV patients 446 (341 females, 105 males) were selected for this study...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28626114/thyroid-stimulating-hormone-stimulation-downregulates-autophagy-and-promotes-apoptosis-in-chondrocytes
#3
Wei Xin, Yue Yu, Yuan Ma, Yuan Gao, Ying Xu, Liyong Chen, Qiang Wan
Subclinical hypothyroidism (SCH) patients have normal thyroid hormone levels but increased thyroid stimulating hormone (TSH) level in serum. It has been reported that high TSH is related to abnormal skeletal development in mice with hypothyroidism. However, the cellular mechanism is not fully understood. In the present study, we aim to investigate the direct effects of TSH stimulation on chondrocytes, and the putative role of autophagy in this process. By using EdU incorporation assay and flow cytometry for mitochondrial membrane potential assay, we demonstrated deceased proliferation and promoted apoptosis in TSH stimulated primary mouse chondrocytes...
June 13, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28621046/impact-of-borderline-subclinical-hypothyroidism-on-subsequent-pregnancy-outcome-in-women-with-unexplained-recurrent-pregnancy-loss
#4
Sayaka Uchida, Tetsuo Maruyama, Maki Kagami, Fumie Miki, Hanako Hihara, Satomi Katakura, Yushi Yoshimasa, Hirotaka Masuda, Hiroshi Uchida, Mamoru Tanaka
AIM: Because subclinical hypothyroidism (thyroid-stimulating hormone [TSH] > 4.5 IU/mL) is associated with adverse pregnancy outcome, including early pregnancy loss, TSH is recommended to be titrated to ≤2.5 mIU/L in levothyroxine-treated women before pregnancy. The purpose of this study was to determine whether borderline-subclinical hypothyroidism (borderline-SCH; 2.5 < TSH ≤ 4.5 IU/mL) affects the outcome of subsequent pregnancies in women with unexplained recurrent pregnancy loss (uRPL)...
June 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28617535/research-on-the-protective-effects-of-antioxidants-on-metabolic-syndrome-induced-by-thyroid-dysfunction
#5
Y Chen, Z Zhou, X-X Li, T Wang
OBJECTIVE: This paper researches on the protective effects of antioxidants on metabolic syndrome induced by thyroid dysfunction. While the role of Lipoic acid (LA), Resveratrol (R) and Quercetin (Q) are recognized, the mechanisms for their ameliorative effects are partially understood. Therefore, the objective of this study was to determine the prevalence of MS among university workers and to examine the relationship with thyroid function and mechanisms for protective effects of LA, Resveratrol and Quercetin on the heart, kidneys and lungs...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28616924/-reference-intervals-of-thyroid-hormones-in-normal-pregnant-women-and-effects-of-thyroid-autoantibodies-on-thyroid-hormone-levels-in-pregnant-women-in-chengdu-area
#6
Yu-Min Chen, Jing Zeng, Yue-Rong Yan, Dan Luo, Lu Huang, Hui Huang
OBJECTIVES: To establish the reference intervals of thyroid hormones in normal pregnant women in Chengdu area of China, and to investigate the effects of thyroid autoantibodies on thyroid function in pregnant women. METHODS: We included 696 pregnant women who had gestation data from June 2013 to March 2014 in Chengdu Women & Children's Central Hospital. Every subject under went questionnaire survey, physical examination, thyroid ultrasound and measurement of thyroid hormone and thyroid autoantibodies...
May 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28615186/subclinical-hypothyroidism-in-paediatric-population-treated-with-levothyroxine-a-real-world-study-on-2001-2014-italian
#7
Nella Augusta Greggio, Elisa Rossi, Silvia Calabria, Alice Meneghin, Joaquin Gutierrez de Rubalcava, Carlo Piccinni, Antonella Pedrini
OBJECTIVE: To estimate the prevalence of Subclinical Hypothyroidism (SH) among children, by using levothyroxine low dosage as disease proxy, and to describe prescription pattern. DESIGN: An historical cohort study was performed through administrative databases of 12 Italian Local Health Units covering 3,079,141 inhabitants. A cohort of children (0-13 years old) was selected in the period 2001-2014. A subgroup of new users (0-9 years old) was identified and followed-up for 5 years...
June 14, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28614974/electronic-consultation-system-demonstrates-educational-benefit-for-primary-care-providers
#8
Jonas Kwok, J Nwando Olayiwola, Margae Knox, Elizabeth J Murphy, Delphine S Tuot
Background Electronic consultation systems allow primary care providers to receive timely speciality expertise via iterative electronic communication. The use of such systems is expanding across the USA with well-documented high levels of user satisfaction. We characterise the educational impact for primary care providers of a long-standing integrated electronic consultation and referral system. Methods Primary care providers' perceptions of the educational value inherent to electronic consultation system communication and the impact on their ability to manage common speciality clinical conditions and questions were examined by electronic survey using five-point Likert scales...
January 1, 2017: Journal of Telemedicine and Telecare
https://www.readbyqxmd.com/read/28609832/pembrolizumab-induced-thyroiditis-comprehensive-clinical-review-and-insights-into-underlying-involved-mechanisms
#9
Danae A Delivanis, Michael P Gustafson, Svetlana Bornschlegl, Michele M Merten, Lisa Kottschade, Sarah Withers, Allan B Dietz, Mabel Ryder
Context: Thyroid immune-related adverse events (irAEs) in patients treated with programmed death receptor-1 (PD-1) blockade are increasingly recognized as one of the most common adverse effects. Our aim was to determine the incidence and examine the potential mechanisms of anti-PD-1 induced thyroid irAEs. Design: Single center, retrospective cohort study. Patients and Measurements: We studied 93 patients with advanced cancer (aged 24–82 years; 60% males) who received at least one infusion of pembrolizumab...
May 9, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28609552/thyrotropin-levels-and-coronary-artery-calcification-cross-sectional-results-of-the-brazilian-longitudinal-study-of-adult-health-elsa-brasil
#10
Érique José F Peixoto de Miranda, Márcio Sommer Bittencourt, Henrique Lane Staniak, Alexandre C Pereira, Murilo Foppa, Itamar S Santos, Paulo A Lotufo, Isabela M Bensenor
BACKGROUND: There is little information about the association between thyrotropin (TSH) levels and coronary artery calcification (CAC). OBJECTIVE: Our aim was to analyze the association between TSH quintiles and subclinical atherosclerosis measured by CAC, using baseline data from the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil). DESIGN: Cross-sectional study. PATIENTS AND MEASUREMENTS: We excluded individuals using medications that affect thyroid function and who self-reported cardiovascular disease...
June 13, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28590917/serum-levels-of-nitrite-nitrate-lipid-profile-and-fasting-plasma-glucose-and-their-associations-in-subclinical-hypothyroid-women-before-and-after-a-two-month-treatment-by-levothyroxine
#11
Mohammad Mostakhdem Hashemi, Elahe Kosari, Azad Reza Mansourian, Abdoljalal Marjani
BACKGROUND: Subclinical hypothyroidism (sHT) is a condition defined by elevated TSH values with normal levels of free thyroid hormones. Altered metabolic status is one of the consequences of sHT which can affect serum levels of FPG, lipid profile, and nitric oxide which propounds cardiovascular consequences per se. The aim of this study was to determine the possible effects of sHT on nitrite/nitrate levels, as a marker of endothelial performance. MATERIALS AND METHODS: 50 females were enrolled in this study, 25 women as control group and 25 women as case group (evaluated two times: before and after levothyroxine therapy)...
June 1, 2017: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/28580441/impact-of-subclinical-hypothyroidism-on-cardiometabolic-biomarkers-in-women
#12
Paulo H N Harada, Julie E Buring, Nancy R Cook, Michael E Cobble, Krishnaji R Kulkarni, Samia Mora
CONTEXT: Whether subclinical hypothyroidism (SCH) is associated with cardiometabolic abnormalities is uncertain. OBJECTIVE: To examine diverse cardiometabolic biomarkers across euthyroid, SCH, and overt hypothyroidism (HT) in women free of cardiovascular disease (CVD). DESIGN: Cross-sectional adjusted associations for lipids, lipoprotein subclasses, lipoprotein insulin resistance score, inflammatory, coagulation, and glycemic biomarkers by ANCOVA for thyroid categories or TSH quintiles on a Women's Health Study subcohort...
February 1, 2017: J Endocr Soc
https://www.readbyqxmd.com/read/28578377/association-of-thyroid-stimulating-hormone-levels-with-microvascular-complications-in-type-2-diabetes-patients
#13
Qi Qi, Qiu-Mei Zhang, Chun-Jun Li, Rong-Na Dong, Jin-Jin Li, Jian-Ying Shi, De-Min Yu, Jing-Yun Zhang
BACKGROUND Subclinical hypothyroidism (SCH) is typically featured by elevated serum concentration of thyroid-stimulating hormone (TSH). This study aimed to determine the relationship between TSH levels and microvascular complications in type 2 diabetes patients. MATERIAL AND METHODS A total of 860 type 2 diabetes patients were enrolled in this cross-sectional study. Subjects were evaluated for anthropometric measurements, thyroid function, diabetic retinopathy, and diabetic kidney disease. TSH was divided into 3 levels: 0...
June 4, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28574380/mthfr-gene-c677t-polymorphism-and-levels-of-dna-methyltrasferases-in-subclinical-hypothyroidism
#14
T Kvaratskhelia, E Kvaratskhelia, K Kankava, E Abzianidze
The aim of our study was to investigate the link between MTHFR gene C677T polymorphism and DNMTs levels in patients with Subclinical Hypothyroidism (SCH). In this study 19 adult patients with subclinical hypothyroidism and 19 healthy controls (mean age 31±5.5 and 33±5.1 years respectively) were recruited. All patients were diagnosed based on serum levels of TSH, FT4, anti-TG and anti-TPO antibodies. Written informed consents were obtained from all study subjects. Genomic DNA was extracted using Quick-DNA Universal Kit (Zymo Research, USA)...
April 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28571126/study-of-glycated-haemoglobin-hba1c-in-non-diabetic-subjects-with-subclinical-hypothyroidism
#15
Mayur Goradhanbhai Makadia, Vishwal Indravadan Patel, Kinjal Prahaladbhai Patel, Aashna Darshanbhai Shah, Kaushik Salubhai Chaudhari, Hitesh Natvarbhai Shah, Haridas Neelakandan Nilayangode
INTRODUCTION: India has the higher prevalence of prediabetes, diabetes and hypothyroidism. Subclinical Hypothyroidism (SH) is more prevalent in the females than in the males. Studies have shown the elevated HbA1c in the non-diabetic hypothyroid patients. SH is defined by normal serum triiodothyronine (T3), thyroxine (T4) levels and serum Thyroid Stimulating Hormone (TSH) level falling between 4.2 to 10 mU/L. AIM: To study the HbA1c level in the non-diabetic SH patients and to compare the HbA1c level with the controls...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28566564/effect-of-thyroxin-treatment-on-carotid-intima-media-thickness-cimt-reduction-in-patients-with-subclinical-hypothyroidism-sch-a-meta-analysis-of-clinical-trials
#16
Muhammad Aziz, Yugandhar Kandimalla, Archana Machavarapu, Anshul Saxena, Sankalp Das, Adnan Younus, Michelle Nguyen, Rehan Malik, Dixitha Anugula, Muhammad A Latif, Choudhry Humayun, Idrees M Khan, Ali Adus, Aisha Rasool, Emir Veledar, Khurram Nasir
AIM: Research shows that subclinical hypothyroidism (SCH) is related to an increased carotid intima-media thickness (CIMT), a surrogate marker of subclinical cardiovascular disease (CVD). It is controversial whether or not SCH should be treated to reduce CVD morbidity and mortality. This meta-analysis aimed to determine whether SCH is associated with an increase in CIMT as compared to Euthyroidism (EU) and whether thyroxin (T4) treatment in SCH can reverse the change in CIMT. METHODS: Two independent reviewers conducted an extensive database research up to December 2016...
May 31, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28566447/management-of-endocrine-disease-l-thyroxine-replacement-therapy-in-the-frail-elderly-a-challenge-in-clinical-practice
#17
Rosaria Maddalena Ruggeri, Francesco Trimarchi, Bernadette Biondi
The number of elderly people, mostly over 85 years (the "oldest old"), is increasing worldwide. As a consequence, accompanying morbidity and disability have been increasing, and frailty, defined as an age-related condition of decline of physiological reserves and vulnerability, represents an emerging problem. Caring for older frail people may represent a challenge, since the elderly differ significantly from younger adults in terms of comorbidity, polypharmacy, pharmacokinetics and greater vulnerability to adverse drug reactions...
May 31, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28561265/mild-tsh-resistance-clinical-and-hormonal-features-in-childhood-and-adulthood
#18
Maria Cristina Vigone, Marianna Di Frenna, Fabiana Guizzardi, Giulia Gelmini, Tiziana de Filippis, Stefano Mora, Silvana Caiulo, Micol Sonnino, Marco Bonomi, Luca Persani, Giovanna Weber
OBJECTIVE: Mutations in TSH receptor (TSHR) are associated with TSH resistance, a genetic defect characterized by a heterogeneous phenotype ranging from severe hypothyroidism to subclinical hypothyroidism (SCH). We assessed the clinical and hormonal pattern of TSHR variants in a series of pediatric patients, and the long-term outcome of growth, biochemical measurements of metabolism and neuropsychological functions in TSHR mutations carriers. DESIGN: Observational, retrospective study...
May 31, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28559942/high-prevalence-of-thyroid-disease-and-role-of-salivary-gland-scintigraphy-in-patients-with-xerostomia
#19
Ji-Hoon Jung, Chang-Hee Lee, Seung Hyun Son, Ju Hye Jeong, Shin Young Jeong, Sang-Woo Lee, Jaetae Lee, Byeong-Cheol Ahn
PURPOSE: Although Sjögren's syndrome (SS) is the most common disease causing xerostomia, autoimmune thyroid diseases can also affect the salivary glands. The aim of our study was to estimate the prevalence of thyroid diseases (TD) in subjects with symptoms of xerostomia and evaluate the efficacy of salivary gland scintigraphy (SGS) in the detection of TD in patients with SS and without SS. METHODS: We retrospectively reviewed the SGS findings of 173 subjects (men:women, 29:144) with symptoms of xerostomia...
June 2017: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28553588/does-time-of-sampling-or-food-intake-alter-thyroid-function-test
#20
Shriraam Mahadevan, Dhalapathy Sadacharan, Subramanian Kannan, Anita Suryanarayanan
CONTEXT: A common question from most patients or laboratories is whether blood sample for thyroid-stimulating hormone (TSH) and free T4 (fT4) needs to be collected in a fasting state and whether time of the day when sample is collected matters. AIMS: The aim of the study was to study the impact of the time of day and food intake on levels of TSH and fT4. SETTINGS AND DESIGN: Cross-sectional prospective data collection. SUBJECTS AND METHODS: We prospectively collected data from 52 volunteers who were not known to have any thyroid disorder and were not on any thyroid-related medication...
May 2017: Indian Journal of Endocrinology and Metabolism
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