Relevant bibliographies by topics / T4 (Thyroxine) and (Thyroid stimulating hormone)

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'T4 (Thyroxine) and (Thyroid stimulating hormone)'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "T4 (Thyroxine) and (Thyroid stimulating hormone)"

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Franklyn, J. A., D. B. Ramsden, and M. C. Sheppard. "The Influence of Age and Sex on Tests of Thyroid Function." Annals of Clinical Biochemistry: International Journal of Laboratory Medicine 22, no. 5 (1985): 502–5. http://dx.doi.org/10.1177/000456328502200506.

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Serum concentrations of total thyroid hormones, thyroid hormone binding proteins, free thyroid hormones and thyroid stimulating hormone (TSH) were measured in a large group of healthy normal subjects ( n = 218) to determine the influence of age and sex on tests of thyroid function. No effect of age on measurements of total thyroxine (T4), total triiodothyronine (T3) or reverse T3 was evident. Concentrations of free T4, free T3 and TSH were similarly unaffected, suggesting that increasing age alone does not significantly influence thyroid hormone measurements. There was, however, a rise in thyr
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Awadh Auda, Shaimaa, Eqbal Awadh Gatea, and Zainab Awaad Radhi. "Evaluation of thyroid autoimmunity markers in polycystic ovarian syndrome in women." Biomedicine 43, no. 3 (2023): 893–96. http://dx.doi.org/10.51248/.v43i3.2823.

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Introduction and Aim: Polycystic ovarian syndrome (PCOS) is characterized by chronic anovulation and hyperandrogenism. PCOS also affects thyroid hormones, with multiple studies showing a link between autoimmune thyroid disease (AITD) and polycystic ovarian syndrome, although the exact pathophysiology of this interaction remains unknown. In this study the autoimmune thyroid indicators in women with PCOS were examined in order to demonstrate a link between polycystic ovarian syndrome and autoimmune thyroid disease. Materials and Methods: The study included 85 polycystic ovarian syndrome (PCOS) p
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Muller, A. F., A. Verhoeff, M. J. Mantel, F. H. de Jong, and A. Berghout. "Decrease of Free Thyroxine Levels after Controlled Ovarian Hyperstimulation1." Journal of Clinical Endocrinology & Metabolism 85, no. 2 (2000): 545–48. http://dx.doi.org/10.1210/jcem.85.2.6374.

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Controlled ovarian hyperstimulation could lead to opposing effects on thyroid function. Therefore, in a prospective study of 65 women undergoing controlled ovarian hyperstimulation, thyroid hormones, T4-binding globulin, TPO antibodies, gonadotropins, estradiol, and PRL were measured before and after controlled ovarian hyperstimulation. After ovarian stimulation (mean ± se of mean): free T4 decreased, 14.4 ± 0.2 vs. 12.9 ± 0.2 pmol/L (P < 0.0001); thyroid-stimulating hormone increased, 2.3 ± 0.3 vs. 3.0 ± 0.4 mU/L (P < 0.0001); T4-binding globulin increased, 25.2 ± 0.7 vs. 33.9 ±
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Taresh, Hashim Rahim, Rawaa Behlul Majhul Al-Fatlawi, and Salman Aziz Al-Juburi. "The Relation-Ship Between Anti-Thyroidal Peroxidise Antibodies (TPO-Abs) and Thyroid Hormones (T3, T4 and Thyroid Stimulating Hormone TSH) among Patients of Autoimmune Thyroid Disease (AITD)." Kufa Journal for Nursing Sciences 4, no. 3 (2015): 103–8. http://dx.doi.org/10.36321/kjns.vi20143.2754.

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Objectives: This Study was designed to investigate the role of the auto antibodies against thyroid peroxidise (TPO-Abs) and thyroid Hormones (T3, T4, TSH) in pathogenesis of Autoimmune Thyroid Disease (AITD). Methodology: Blood parameters of (90) individual who were attended to hormonal center at AlSadder Medical City, in the period of January 2013 to June 2013 were measured, which includes Triiodothyronine (T3), Thyroxine or Tetraiodothyronine (T4), Thyroid Stimulating Hormone (TSH) and auto antibodies of thyroid peroxidise (TPO-Abs), the biostatic use difference between the maximum and minim
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Ollis, C. A., S. Tomlinson, and D. S. Munro. "Thyroid Stimulating Immunoglobulins: Measurement and Clinical use." Clinical Science 69, no. 2 (1985): 113–21. http://dx.doi.org/10.1042/cs0690113.

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Graves’ disease is the commonest form of hyperthyroidism in which excessive production of thyroid hormones by the hyperplastic overactive thyroid gland produces elevated serum levels of the thyroid hormones tri-iodothyronine (T3) and thyroxine (T4). Many of the manifestations of Graves’ disease, increased basal metabolic rate, increased heart rate, heat intolerance, sweating and nervousness, can be attributed to the peripheral actions of the excess thyroid hormones. The pathogenesis of many of the other dramatic features of Graves’ disease, such as the eye involvement or localized skin changes
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Chirag, Chadha, Jadhav Vikrant, Gugle Anil, and Agiwal Paresh. "Analytical Cross-Sectional Study of Thyroid Function Test among Psoriasis Cases and Comparative Group." International Journal of Pharmaceutical and Clinical Research 15, no. 12 (2023): 1401–4. https://doi.org/10.5281/zenodo.11202658.

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<strong>Background:</strong>&nbsp;Psoriasis is a chronically relapsing autoimmune skin disorder. It is characterised by complex alterations in epidermal growth and differentiation. Thyroid hormone plays a major role in the regulation of cell growth and differentiation. Triiodothyronine (T3) and thyroxine (T4) hormones have hyper-proliferative effect on epidermis of skin. Evidences regarding thyroid abnormalities in psoriasis are limited by less number of studies and in-conclusive outcome.&nbsp;<strong>Objective:&nbsp;</strong>To detect thyroid hormone abnormality in cases of psoriasis disease.
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LEUNG, ALEXANDER K. C., and ROBERT G. MCARTHUR. "Hypothyroidism With Thyroxine-Binding Globulin Excess." Pediatrics 83, no. 1 (1989): 147–48. http://dx.doi.org/10.1542/peds.83.1.147.

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We read the article by Alain and Zipf who reported a 4-year-old boy with elevated thyroxine-binding globulin (TBG) level, elevated serum concentrations of both tri-iodothyronine (T3) and thyroxine (T4), short stature, delayed bone age, and an exaggerated thyroid-stimulating hormone (TSH) response to thyrotropin-releasing hormone stimulation. The child showed a marked improvement in growth with T3 therapy. In searching through the literature, we have come across a few more examples of TBG excess associated with hypothyroidism.
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Costigan, D. Colm, F. John Holland, Denis Daneman, Peter S. Hesslein, Michael Vogel, and Graham Ellis. "Amiodarone Therapy Effects on Childhood Thyroid Function." Pediatrics 77, no. 5 (1986): 703–8. http://dx.doi.org/10.1542/peds.77.5.703.

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Thyroid function was systematically evaluated in 15 consecutive children (mean age 13.7 years, range 0.5 to 19.5 years) before and serially during treatment with amiodarone (Cordarone), a potent antiarrhythmic agent. Amiodarone is known to affect thyroid homeostasis by competitive inhibition of 5'-monodeiodinase, which converts l-thyroxine (T4) to triiodothyronine (T3) and reverse T3 (rT3) to 3,3'-diodothyronine (T2), and also by the direct effects of its high iodine content (37% by weight). Clinical and/or biochemical evidence of hypothyroidism occurred in three patients, two of whom required
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Khatimah, Husnul, Abdul Fandir, Reny Rahmawati, Andi Hardianti, and Nur Afia Amin. "Iodine, Cyanide, Thyroid Stimulating Hormone and Free Thyroxine Levels." Asian Journal of Healthcare Analytics 4, no. 1 (2025): 43–52. https://doi.org/10.55927/ajha.v4i1.14067.

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Nutrients that play an important role in the formation of thyroxin (T4, pro-hormone) and triiodotironim (T3, the active hormone) which are elements of the formation of thyroid hormone in thyroid follicle cells are iodine. However, iodine absorption is affected by goitrogen, one of which is cyanide. This study is an observational analytical study with a Cross Sectional design on 50 hyperthyroid patients undergoing treatment at the Magelang Health Research and Development Center. Intake data was obtained by the 2x24-hour recall method while TSH and FT4 data were obtained from laboratory examinat
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T. Al-Mofarji, Sarah, Hameed M. Jasim, and Sanad B. Mohammed. "Thyroid Hormones and Autoantibodies in Iraqi Hyperthyroid Patients." Al-Nahrain Journal of Science 26, no. 2 (2023): 56–59. http://dx.doi.org/10.22401/anjs.26.2.09.

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Hyperthyroidism can be defined as the status of over production of thyroid hormones: tri-iodothyronine (T3) and thyroxine (T4) as a results of thyroid gland dysfunction. The aim of the current study was to investigate the association between the abnormalities of thyroid hormones (T3 and T4) and serum levels of thyroid auto-antibodies: anti-thyroid peroxidase (TPO-Ab) and anti-thyroid stimulating hormone receptor (TR-Ab) and the state of hyperthyroidism. Blood samples were collected from 75 Iraqi individualswere early diagnosed as hyperthyroidism patients in addition to 25 Iraqi individuals as
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Dissertations / Theses on the topic "T4 (Thyroxine) and (Thyroid stimulating hormone)"

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Hamilton, Kristina. "The serum concentrations of anti-Mullerian hormone (AMH), thyroid-stimulating hormone (TSH), free triiodothyronine (fT3) and free thyroxine (fT4) during early pregnancy." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2016. https://ro.ecu.edu.au/theses/1791.

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The first trimester of pregnancy is a dynamic time of change involving the implantation and development of the fetus, together with a wide range of related endocrine changes arising from the ovary and feto-placental unit, as well as other changes in maternal and fetal physiology. The present longitudinal study has investigated two main areas of endocrinology in circulating maternal serum from positive pregnancy test to the detection of a fetal heartbeat, namely (i) AMH and (ii) thyroid function. Women attending Fertility North and conceiving during fertility investigation or treatment underwen
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Do, Andrew. "The Effects of Growth Hormone and Thyroxine Treatment on the Insulin Signaling of Female Ames Dwarf Mouse Skeletal Muscle Tissue." Honors in the Major Thesis, University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/941.

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Ames dwarf (df/df) mice are deficient in anterior pituitary hormones: growth hormone (GH), thyroid stimulating hormone (TSH), and prolactin (PRL) due to a spontaneous, homozygous mutation of prop1[superscript df] gene. These dwarf mice exhibit characteristics such as delayed growth and development coupled with delayed aging, increased lifespan, overall increased insulin sensitivity, as well as resistance to certain diseases and cancers. The mutant mice possess low blood glucose, low serum insulin, and lower body temperature. Their enhanced longevity (about 40-60% longer lifespan than normal mi
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Маслянко, Віталій Антонович, Марина Олександрівна Леонова, Лариса Борисівна Павлович та Ірина Іванівна Білоус. "Порівняльна характеристика ефективності супресії тиреотропного гормону L-тироксином у хворих на вузловий зоб". Thesis, Ендокринологія. Матеріали ІІ конгресу Асоціації ендокринологів України. Київ, 18-19 квітня 2012 р. – Т.17, додаток 1, №1. – 2012. – С.67, 2012. http://dspace.bsmu.edu.ua:8080/xmlui/handle/123456789/3236.

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Decker, Andrea H. "Associations between Butylparaben and Thyroid Levels in Females Aged 12 and over (NHANES, 2007-2008)." 2015. http://scholarworks.gsu.edu/iph_theses/370.

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Background: Paraben exposure occurs everyday to most people unknowingly. Parabens are present in most personal care products in varying amounts. Presently, parabens are not listed as endocrine disruptors; however, some research has shown parabens associated with decreases in thyroid hormone levels. The chemical and adsorption mechanism for parabens in association with thyroid hormones is not well understood. Determining whether parabens are associated with a change in thyroid hormone levels can help reduce the incidence of possible adverse health effects with exposure to parabens. Methodology:
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Patel, Soraya. "Evaluation of the use of appropriate thyroid function tests." Thesis, 2006. http://hdl.handle.net/10539/1575.

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Student Number : 9600048X - MSc (Med) research report - Faculty of Health Sciences<br>Disorders of the thyroid gland are amongst the most common endocrine disorders. The diagnosis of thyroid disease consists of a history and clinical examination, followed by specific confirmatory investigations. These investigations are an important diagnostic component in thyroid disease and are amongst the most common investigations ordered in clinical laboratories. Although these tests are relatively inexpensive individually, they account for a disproportionately large amount of health care expendit
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Roy, Gouriprasanna. "Biomimetic Studies On Anti-Thyroid Drugs And Thyroid Hormone Synthesis." Thesis, 2007. https://etd.iisc.ac.in/handle/2005/514.

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Thyroxine (T4), the main secretory hormone of the thyroid gland, is produced on thyroglobulin by thyroid peroxidase (TPO)/hydrogen peroxide/iodide system. The synthesis of T4 by TPO involves two independent steps: iodination of tyrosine and phenolic coupling of the resulting iodotyrosine residues. The prohormone T4 is then converted to its biologically active form T3 by a selenocysteine-containing iodothyronine deiodinase (ID-I), which is present in highest amounts in liver, kidney, thyroid and pituitary. The 5'-deiodination catalyzed by ID-I is a ping-pong, bisubstrate reaction in which the s
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Roy, Gouriprasanna. "Biomimetic Studies On Anti-Thyroid Drugs And Thyroid Hormone Synthesis." Thesis, 2007. http://hdl.handle.net/2005/514.

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Thyroxine (T4), the main secretory hormone of the thyroid gland, is produced on thyroglobulin by thyroid peroxidase (TPO)/hydrogen peroxide/iodide system. The synthesis of T4 by TPO involves two independent steps: iodination of tyrosine and phenolic coupling of the resulting iodotyrosine residues. The prohormone T4 is then converted to its biologically active form T3 by a selenocysteine-containing iodothyronine deiodinase (ID-I), which is present in highest amounts in liver, kidney, thyroid and pituitary. The 5'-deiodination catalyzed by ID-I is a ping-pong, bisubstrate reaction in which the s
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Books on the topic "T4 (Thyroxine) and (Thyroid stimulating hormone)"

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Newell-Price, John, Alia Munir, and Miguel Debono. Thyroid disease. Edited by Patrick Davey and David Sprigings. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199568741.003.0186.

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This chapter addresses six topics in thyroid disease: hypothyroidism; thyrotoxicosis/hyperthyroidism; thyroiditis; amiodarone-induced thyroid disease; thyroid storm; and multinodular goitre and solitary adenomas. Hypothyroidism occurs when there is insufficient secretion of thyroid hormones, commonly caused by autoimmune disease. Subclinical hypothyroidism is when the plasma level of thyroid-stimulating hormone is elevated, but free thyroxine is in the normal range. Myxoedema is severe hypothyroidism with accumulation of mucopolysaccharides in the dermis and other tissues. Thyrotoxicosis resul
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Newell-Price, John, Alia Munir, and Miguel Debono. Diagnosis and investigation in endocrine disorders. Edited by Patrick Davey and David Sprigings. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199568741.003.0183.

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This chapter introduces the reader to some of the common investigations used in the diagnosis of endocrine disorders. Tests used to diagnose disorders of the thyroid, pituitary, and adrenal glands are discussed. Measurement of plasma levels of thyroid-stimulating hormone, free thyroxine, and free triiodothyronine define the thyroid status. Imaging of the thyroid is usually done in the first instance by ultrasonography. The investigation of pituitary disorders involves measurement of the levels of the multiple pituitary hormones, with basal and dynamic tests as appropriate to the clinical probl
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Book chapters on the topic "T4 (Thyroxine) and (Thyroid stimulating hormone)"

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Aguilar, Ricardo A., Louis Ehwerhemuepha, and Terence Sanger. "Investigating the Need for Personalized Assessment: An Example from Thyroid Function Tests." In Communications in Computer and Information Science. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-88346-0_5.

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Abstract Using population-wide thresholds assumes normal variation in thyroid hormone levels is the same across individuals which may leave patients (with varying medical histories) undiagnosed and untreated. This analysis aims to assess whether patient-specific thresholds for thyroid hormone laboratory tests are justifiable within a heterogeneous pediatric population. The study data, obtained from Cerner Real-World Data, consists of observations from January 2016 to December 2019 of pediatric patients with at least two laboratory records for thyrotropin (TSH), free thyroxine (T4), total T4, o
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Giovanella, Luca, Federica D’Aurizio, and Petra Petranović Ovčariček. "Biochemical Diagnosis of Thyroid Dysfunctions." In Integrated Diagnostics and Theranostics of Thyroid Diseases. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-35213-3_3.

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AbstractThyroid dysfunctions are among the most common endocrine disorders and accurate biochemical testing is integral to assess thyroid patients. Notably, true hyperthyroidism and hypothyroidism in the setting of a normal thyroid-stimulating hormone level are highly unlikely, making the assessment of free thyroxine (FT4) inappropriate in most new cases. However, FT4 measurement is pivotal in both the diagnosis and management of relevant central dysfunctions (central hypothyroidism and central hyperthyroidism) as well as for monitoring therapy in hyperthyroid patients treated with antithyroid
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Hidayat, Taufiq, M. A. Musoddaq, Hadi Ashar, and Sidiq Purwoko. "The Relationship Between Iodine Status and Thyroid Stimulating Hormone (TSH) and Free T4 (FT4) in Women of Childbearing Age in Wonogiri Regency." In Proceedings of the 1st International Conference for Health Research – BRIN (ICHR 2022). Atlantis Press International BV, 2023. http://dx.doi.org/10.2991/978-94-6463-112-8_52.

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Gurnell, Mark, and V. Krishna Chatterjee. "Thyroid hormone resistance syndrome." In Oxford Textbook of Endocrinology and Diabetes. Oxford University Press, 2011. http://dx.doi.org/10.1093/med/9780199235292.003.3282.

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Thyroid hormones (thyroxine T4 and triiodothyronine T3) regulate many cellular processes in virtually every type of tissue. The diverse effects of thyroid hormone include regulation of growth, control of basal metabolic rate, enhanced myocardial contractility, and functional differentiation of the central nervous system. The synthesis of thyroid hormones is controlled by hypothalamic thyrotrophin-releasing hormone (TRH) and pituitary thyroid-stimulating hormone (TSH), and in turn, T4 and T3 regulate TRH and TSH production as part of a negative feedback loop.
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McDowell, Garry. "Thyroid disease." In Clinical Biochemistry. Oxford University Press, 2016. http://dx.doi.org/10.1093/hesc/9780199674442.003.0012.

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This chapter discusses thyroid disease, considering the nature and role of thyroid hormones, their regulation in the blood, and the consequences of changes in their secretion. The thyroid gland produces hormones called T4 (thyroxine) and T3 (tri-iodothyronine), which are required for normal cellular metabolism. Disorders of thyroid function can result in either excess or reduced secretion of thyroid hormones. Hyperthyroidism occurs as a result of increased release of thyroid hormones and produces the clinical features of thyrotoxicosis. It can be treated with antithyroid medication, radioiodin
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Nogueira, Giovanna Batista, Jovino Marcelino Fernandes Neto, Diego Guzella Pinto Lopes, and Juscélio Clemente de Abreu. "Congenital hypothyroidism: A theoretical approach." In Health of Tomorrow: Innovations and Academic Research. Seven Editora, 2024. http://dx.doi.org/10.56238/sevened2023.007-027.

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Congenital hypothyroidism (CH) is a rare endocrine disease that manifests chronically and insidiously in children. Historically, HC is linked to regions with high rates of malnutrition, lack of prenatal care, and late diagnosis. In addition, studies show that the risk is higher in female children, high maternal age, prematurity and the birth of twins. The disease is based on the alteration of thyroid hormone or Thyroid Stimulating Hormone (TSH) levels, so the main complications are in bone development, which can lead children to short stature and growth retardation, and in neurological develop
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Elliyanti, Aisyah. "The Role of Nuclear Medicine in Congenital Hypothyroidism." In Hypothyroidism - Causes, Screening and Therapeutic Approaches [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1005228.

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Nuclear medicine imaging techniques are known as molecular functional radioisotope imaging. It has been used for decades in endocrinology and pediatric clinical practice. Thyroid scintigraphy (TS) results in many cases of congenital hypothyroidism (CH) may not affect the management immediately. However, TS, either Technetium-99 m Pertechnetate (99mTc-O4) or Iodine-123 (123I), can help establish an etiology for hypothyroidism, including CH that may affect treatment decisions, prognosis, and counseling. Congenital hypothyroidism has potentially devastating neurologic consequences when delayed to
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Dundar, Ahmet, and Enes Karaman. "Pregnancy and Thyroid Diseases." In Current Researches in Health Sciences-I. Özgür Yayınları, 2023. http://dx.doi.org/10.58830/ozgur.pub91.c380.

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Early diagnosis and effective treatment of thyroid diseases during pregnancy are the greatest priority. A delay in treatment can have severe adverse effects on the mother and unborn child.Thyroid-stimulating hormone (TSH) and T4 levels are checked as the first test to evaluate thyroid function during pregnancy. TSH levels are elevated, and T4 levels are depleted in hypothyroidism. About 2.5% of pregnant women experience it. Hypothyroidism, if left untreated, can cause neurological issues and developmental delays. 0.1-0.4% of pregnant women have hyperthyroidism. Graves' disease accounts for 80-
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Bandazheuski, Yuri, and Nataliia Dubovaya. "FOLATE CYCLE GENES AND THYROID HORMONES METABOLISM IN CHILDREN LIVING NEAR THE CHERNOBYL EXCLUSION ZONE." In Innovations in science: current research and advanced technologies. Publishing House “Baltija Publishing”, 2025. https://doi.org/10.30525/978-9934-26-531-0-22.

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It is known that the thyroid gland (TG) is capable of intensively incorporating 137Cs. People living near the Chernobyl Exclusion Zone (ChEZ) are at the highest risk of negative impact on the body of this and other long-lived radionuclides. As a result of the European Commission project "Health and environment programs around the Chernobyl Exclusion Zone: development, training and coordination of health-related projects" carried out in Ukraine in 2014-2017 together with the project of the Rhone-Alpes Regional Council (France), structural changes in the thyroid gland (5.6% of cases), disorders
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Hathiramani, Sumitha S., and Hans K. Ghayee. "Assessment of Endocrine Function." In Textbook of Endocrine Physiology. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199744121.003.0007.

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This chapter describes the various methods used for quantifying concentrations of circulating hormones and thus assessing endocrine function. The paradigm of feedback regulation (for example, of the hypothalamic-pituitary-target gland axis) is central to this assessment of endocrine status. Any disruption in such an axis can cause alterations in trophic and target hormone pairs. High concentration of a target gland hormone coupled with low concentration of the corresponding trophic hormone (e.g., pituitary hormone) suggests autonomous secretion by the target endocrine organ, as is typical in p
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Conference papers on the topic "T4 (Thyroxine) and (Thyroid stimulating hormone)"

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Younus DHANNOON, Azhar, and Abeer Ataallah Ayyed AL-HADIDY. "ESTIMATION OF SOME ADIPOSE TISSUE HORMONES (VISFATIN AND ADIPONECTIN) IN PATIENTS WITH HYPOTHYROIDISM." In V. International Scientific Congress of Pure, Applied and Technological Sciences. Rimar Academy, 2022. http://dx.doi.org/10.47832/minarcongress5-22.

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Hypothyroidism is a medical state referring to the lack of secretion of thyroid hormones (THs) in the body. It occurs when the thyroid gland starts to produce and secrete a small amount of thyroid hormones Thyroxine (T4) and Triiodothyronin (T3), this will affect body cells, resulting in a slowing of the body's metabolic rate, weight gain, and tachycardia. Visfatin and adiponectin are two hormones from type adipokine produced from fat tissue. Those hormones have an important function in protein, lipid and glucose metabolism, as well their role in energy expenditure. Eighty cases of both sexes
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Mondul, Alison M., Stephanie J. Weinstein, Tracey Bosworth, Alan T. Remaley, Jarmo Virtamo, and Demetrius Albanes. "Abstract 4472: Circulating thyroxine (T4), thyroid-stimulating hormone (TSH), and hypothyroid status and the risk of prostate cancer." In Proceedings: AACR 103rd Annual Meeting 2012‐‐ Mar 31‐Apr 4, 2012; Chicago, IL. American Association for Cancer Research, 2012. http://dx.doi.org/10.1158/1538-7445.am2012-4472.

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Cavalcante, Caio, Vinicius Almeida, Marcos Barros, Nathalee Lima, and Rosana Rego. "Thyroid Syndrome Detection using Machine Learning Algorithms: A Comparative Analysis." In Congresso Brasileiro de Inteligência Computacional. SBIC, 2024. http://dx.doi.org/10.21528/cbic2023-088.

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A thyroid syndrome necessitates early and proper diagnosis to facilitate adequate treatment. However, subjectivity in analyzing test results poses a challenge. In this work, we explored and analyzed the potential of machine learning algorithms. These algorithms include decision trees, random forest, logistic regression, naive Bayes, XGBoost, LightGBM, and a stacking ensemble model. The goal was to classify the euthyroid syndrome, which is a medical condition impacting the thyroid gland, by utilizing attributes obtained from blood tests. These attributes encompass thyroxine, thyroid stimulating
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Cavalcante, Caio M. V., and Rosana C. B. Rego. "Early prediction of hypothyroidism based on feature selection and explainable artificial intelligence." In Simpósio Brasileiro de Computação Aplicada à Saúde. Sociedade Brasileira de Computação - SBC, 2024. http://dx.doi.org/10.5753/sbcas.2024.1870.

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Early and accurate diagnosis is required for adequate treatment of hypothyroidism. However, the presence of subjectivity in the interpretation of test results presents a significant challenge. In this study, we explored and evaluated the potential of machine learning (ML) algorithms for addressing this issue. These algorithms include decision trees, random forest, XGBoost, LightGBM, extra trees, gradient boosting, and a stacking ensemble model. The purpose is to predict hypothyroidism, which is a medical condition that affects the thyroid gland, using attributes derived from blood test results
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Taher, Zahraaakhan. "Estimation of Thyroid Function Tests in Type 2 Diabetes Mellitus." In 5th International Conference on Biomedical and Health Sciences. Cihan University-Erbil, 2024. http://dx.doi.org/10.24086/biohs2024/paper.1278.

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Background and Objectives: Type 2 diabetes mellitus (T2DM) is an endocrine and metabolic disorder caused by insulin resistance, insulin hormone deficiency, and impaired insulin production form pancreatic beta cells. Thyroid hormones play a key role in glucose metabolism via several mechanisms. This study aimed to estimate the serum thyroid hormone levels in type 2 diabetic patients. Methods: The current case and control study was carried out in Erbil city. Blood specimens were collected from 100 subjects divided into two groups (50 case , 50 control). Each group consisted of (32 females and 18
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Chudilovskaya, E. N., A. A. Basalai, A. S. Migalevitch, V. D. Svirid, and T. A. Mityukova. "THYROID HORMONES IN OBESE RATS: FEATURES OF THE RESPONSE TO STRESS." In SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. International Sakharov Environmental Institute, 2021. http://dx.doi.org/10.46646/sakh-2021-1-360-364.

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It was shown in experiments on rats that a short-term stressful effect in the form of forced swimming causes a sharp release of cortisol into the blood, as well as a significant increase in the level of thyroid-stimulating hormone in animals kept on a standard diet (control group). A high-calorie diet leads not only to visceral obesity and the development of signs of metabolic syndrome, but also causes a significant increase in the levels of thyroidstimulating hormone, thyroxine and triiodothyronine in the blood serum in rats. Obese animals do not develop the stress responses typical of the co
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Chudilovskaya, E. N., A. A. Basalai, A. S. Migalevitch, V. D. Svirid, and T. A. Mityukova. "THYROID HORMONES IN OBESE RATS: FEATURES OF THE RESPONSE TO STRESS." In SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. International Sakharov Environmental Institute, 2021. http://dx.doi.org/10.46646/sakh-2021-1-360-364.

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It was shown in experiments on rats that a short-term stressful effect in the form of forced swimming causes a sharp release of cortisol into the blood, as well as a significant increase in the level of thyroid-stimulating hormone in animals kept on a standard diet (control group). A high-calorie diet leads not only to visceral obesity and the development of signs of metabolic syndrome, but also causes a significant increase in the levels of thyroidstimulating hormone, thyroxine and triiodothyronine in the blood serum in rats. Obese animals do not develop the stress responses typical of the co
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8

Tunes, GC, TF Almeida, MC Batista, and CLP Mangueira. "REFERENCE INTERVAL OF TSH AND FREE T4 FOR KIDS AND TEENAGERS FROM SÃO PAULO." In Resumos do 54º Congresso Brasileiro de Patologia Clínica/Medicina Laboratorial. Zeppelini Editorial e Comunicação, 2022. http://dx.doi.org/10.5327/1516-3180.140s1.6296.

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Objective: According to de literature free thyroxine (Free T4) and thyrotropin (TSH) reference interval are age, population, and instrument dependent. Our aim was to define age partitioning and reference intervals for kids and teenagers of our population. Method: We collected retrospective free thyroxine (Free T4) and thyrotropin (TSH) results of 11649 individuals with age between &gt; 1 month and &lt; 19 years from electronic health records. Also, we filtered from our cohort individuals with multiple records, deaths, or any of the CID-10. Conclusion: For TSH we found four age segments (&gt; 1
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Yulianti, Kartika, Aris Wibudi, and Mila Citrawati. "Relation Between Tiroid Status with Glycemic Control of Type 2 DM Patients at RSPAD Gatot Soebroto." In The 7th International Conference on Public Health 2020. Masters Program in Public Health, Universitas Sebelas Maret, 2020. http://dx.doi.org/10.26911/the7thicph.05.12.

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ABSTRACT Background: Diabetes Mellitus (DM) is a group of symptoms that arise due to increased blood sugar levels. Diabetes Mellitus type 2 has a higher risk of developing thyroid dysfunction. Thyroid dysfunction can affect various body metabolism and result in insulin resistance, significantly affecting glycemic control in DM patients. This study aimed to determine the relation between thyroid status as assessed by the level of thyroid-stimulating hormone (TSH), free thyroxine (FT4), and glycemic control (HbA1c). Subjects and Method: A cross-sectional study. A sample of 38 DM patients was sel
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Giassi, Karina, Renato Gorga Bandeira de Mello, Bruna Cambrussi de Lima, Gabriela Stahl, Raquel Almeida de Oliveira, and Marina Siqueira Flores. "RANDOMIZED CONTROLLED TRIAL COMPARING MORNING VERSUS NIGHT ADMINISTRATION OF LEVOTHYROXINE IN OLDER PERSONS." In XXII Congresso Brasileiro de Geriatria e Gerontologia. Zeppelini Publishers, 2021. http://dx.doi.org/10.5327/z2447-21232021res04.

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OBJECTIVE: To evaluate the effectiveness of levothyroxine administration strategies in the treatment of hypothyroidism in older persons in a tertiary outpatient clinic. METHODS: A randomized controlled trial of older persons with a diagnosis of primary hypothyroidism who had been receiving levothyroxine for at least 6 months with a stable dose in the last 3 months. Patients were randomly assigned to one of two administration strategies: morning (1 hour before breakfast) or night (1 hour after the last meal). In a period ≥ 12 weeks, patients were instructed to cross over between strategies. Lab
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