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Thyroid hormone replacement

Chuan Zhou, Shichao Lai, Yong Xie, Shu Zhang, Yiping Lu
INTRODUCTION: Muscular symptoms, including stiffness, myalgia, cramps, and fatigue, are present in the majority of the patients with hypopituitarism, adrenal insufficiency and hypothyroidism, but rhabdomyolysis, the rapid breakdown of skeletal muscle, is a rare manifestation. In most patients who develop rhabdomyolysis, precipitating factors, such as strenuous exercise or use of lipid-lowering drugs, can be identified. CASE REPORT: We report the case of a 23-year-old male with primary hypopituitarism who developed acute renal impairment (AKI) with rhabdomyolysis after strenuous physical activity (push-ups)...
June 7, 2018: American Journal of Emergency Medicine
Mario Manto, Christiane S Hampe
Hormonal disorders are a source of cerebellar ataxia in both children and adults. Normal development of the cerebellum is critically dependent on thyroid hormone, which crosses both the blood-brain barrier and the blood-cerebrospinal fluid barrier thanks to specific transporters, including monocarboxylate transporter 8 and the organic anion-transporting polypeptide 1C1. In particular, growth and dendritic arborization of Purkinje neurons, synaptogenesis, and myelination are dependent on thyroid hormone. Disturbances of thyroid hormone may also impact on cerebellar ataxias of other origin, decompensating or aggravating the pre-existing ataxia manifesting with motor ataxia, oculomotor ataxia, and/or Schmahmann syndrome...
2018: Handbook of Clinical Neurology
Jianxin Xue, Lei Zhang, Zhiqiang Qin, Ran Li, Yi Wang, Kai Zhu, Xiao Li, Xian Gao, Jianzhong Zhang
RATIONALE: Thyrotoxicosis from an overdose of medicinal thyroid hormone is a condition that may be associated with a significant delay in onset of toxicity. However, limited literature is available regarding thyrotoxicosis attributed to excessive ingestion of exogenous thyroid hormone and most cases described were pediatric clinical researches. Herein, we presented the course of a patient who ingested a massive amount of levothyroxine with no obvious sympathetic excited symptoms exhibited and reviewed feasible treatment options for such overdoses...
June 2018: Medicine (Baltimore)
Nagi B Kumar, Angelina Fink, Silvina Levis, Ping Xu, Roy Tamura, Jeffrey Krischer
Background: Cancer related fatigue (CRF), reported in about 90% of breast cancer patients receiving chemotherapy, and has a profound impact on physical function, psychological distress and quality of life. Although several etiological factors such as anemia, depression, chronic inflammation, neurological pathology and alterations in metabolism have been proposed, the mechanisms of CRF are largely unknown. Methods: We conducted a pilot, prospective, case-control study to estimate the magnitude of change in thyroid function in breast cancer patients from baseline to 24 months, compared to cancer-free, age-matched controls...
May 22, 2018: Oncotarget
Zsolt Hepp, Kathleen Wyne, Shivaji R Manthena, Siting Wang, Ved Gossain
OBJECTIVE: The objective of this analysis is to compare adherence at 6 months and 12 months across levothyroxine formulations for patients with hypothyroidism. METHODS: This retrospective analysis utilized insurance claims data from a commercially insured population from January 1, 2000 through March 31, 2016. Patients were included if they were diagnosed with hypothyroidism and initiated treatment with generic levothyroxine, Levoxyl®, Synthroid® , Unithroid® or Tirosint® ...
June 7, 2018: Current Medical Research and Opinion
Ana Valea, Carmen Emanuela Georgescu
Selenium (Se) has a multilevel, complex and dynamic effect on the human body as a major component of selenocysteine, incorporated into selenoproteins, which include the selenocysteine-containing enzymes iodothyronine deiodinases. At the thyroid level, these proteins play an essential role in antioxidant protection and hormone metabolism. This is a narrative review based on PubMed/Medline database research regarding thyroid physiology and conditions with Se and Se-protein interferences. In humans, Se-dependent enzyme functions are best expressed through optimal Se intake, although there is gap in our knowledge concerning the precise mechanisms underlying the interrelation...
June 5, 2018: Hormones: International Journal of Endocrinology and Metabolism
V F Koehler, M Reincke, C Spitzweg
The diagnosis of hypothyroidism is primarily based on clinical signs and symptoms as well as measurement of thyroid-stimulating hormone (TSH) concentration. Subclinical hypothyroidism is characterized by elevated TSH with normal serum free thyroxine (fT4 ) and triiodothyronine (fT3 ) levels, while in manifest hypothyroidism serum fT4 and fT3 levels are reduced. Common causes of primary hypothyroidism are autoimmune thyroiditis as well as therapeutic interventions, such as thyroid surgery or radioiodine therapy...
June 5, 2018: Der Internist
Tommaso Porcelli, Francesca Sessa, Angela Caputo, Christian Catalini, Domenico Salvatore
Thyroid cancer metastasizes in 4% of cases. Approximately two-thirds of these patients are refractory to radioactive iodine-131 (RAI) therapy and have a poor 10-year survival prognosis. Treatment with tyrosine kinase inhibitors (TKIs) may be administered in selected RAI-refractory patients. However, these agents are often associated with adverse events, including vomiting. We report the case of a patient affected by RAI-refractory thyroid cancer with lung and intracranial metastases undergoing treatment with the antiangiogenic TKI lenvatinib, and with teriparatide replacement therapy for postsurgical hypoparathyroidism...
2018: Frontiers in Endocrinology
Anam Tariq, Yijin Wert, Pramil Cheriyath, Renu Joshi
OBJECTIVES: Hypothyroidism results in decreased mood and neurocognition, weight gain, fatigue, and many other undesirable symptoms. The American Association of Clinical Endocrinologists, the American Thyroid Association (ATA), and The Endocrine Society recommend levothyroxine (LT4) monotherapy as the treatment for hypothyroidism; however, after years of monotherapy, some patients continue to experience impaired quality of life. Combination LT4 and synthetic liothyronine (LT3) therapy or the use of desiccated thyroid extract (DTE), has not been suggested for this indication based on short-duration studies with no significant benefits...
June 2018: Southern Medical Journal
Mark A Hilado, Ruvdeep S Randhawa
BACKGROUND: Proopiomelanocortin (POMC) is a complex polypeptide that produces a variety of biologically active substances via cleavage in a tissue-specific manner [Challis BG, Millington GW. Proopiomelanocortin deficiency. GeneReviews® [Internet]. Seattle (WA): University of Washington, Seattle, 1993-2018], yielding several products including adrenocorticotrophic (ACTH) and melanocyte stimulating hormones (MSH). These peptides have roles in the regulation of food intake, energy homeostasis, adrenal steroidogenesis, melanocyte stimulation and immune modulation...
June 2, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
Suyeon Park, MinJi Jeon, Hye-Seon Oh, Yu-Mi Lee, Tae-Yon Sung, Minkyu Han, Tae Yong Kim, Ki-Wook Chung, Won Bae Kim, YoungKee Shong, Won Gu Kim
BACKGROUND: Low-risk patients with differentiated thyroid cancer can be treated with thyroid lobectomy. Serial measurements of serum thyroglobulin (Tg) are recommended for surveillance, but the cut-off values indicating recurrence are not known. We documented the natural course of serum Tg levels during follow-up after lobectomy for low-risk papillary thyroid carcinoma (PTC), and evaluated whether changes in serum Tg levels predict disease recurrence. METHODS: This historical cohort study included 208 patients with low-risk PTC who underwent lobectomy but did not require hormone replacement...
May 30, 2018: Thyroid: Official Journal of the American Thyroid Association
Ruy Andrade Louzada, Raphaël Corre, Rabii Ameziane-El-Hassani, Fabio Hecht, Juliana Cazarin de Menezes, Camille Buffet, Denise P Carvalho, Corinne Dupuy
BACKGROUND: Dual oxidases (DUOX1 and DUOX2) were initially identified as H2O2 sources involved in thyroid hormone synthesis. Congenital hypothyroidism (CH) resulting essentially from inactivating mutations of the DUOX2 gene highlighted that DUOX2 is the major H2O2 provider to thyroperoxidase. The role of DUOX1 in the thyroid remains unknown. A recent study suggests that it could compensate for the DUOX2 deficiency in CH. Both DUOX and their maturation factors DUOXA form a stable complex at the cell surface, which is fundamental for their respective enzymatic activity...
May 30, 2018: Thyroid: Official Journal of the American Thyroid Association
P P Wang, L Ma, Y H Lv, Y Xiang, D G Shao, R Sun, S H Yang, R Hu
Objective: To systematically evaluate the impact of thyroid hormone replacement in patients with OSAHS and hypothyroidism. Method: The related case-control study of thyroid hormone replacement in patients with OSAHS and hypothyroidism had been searched from Cochrane Library, PubMed, CNKI, Chinese Biomedical Literature Database, Wanfang Resource Database.The case-control study which were in line with the condition need to be evaluated the quality and to be extracted in literature. The RevMan 5.3 and STATA softwares were applied to carry out the Meta analysis...
September 5, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
Amina Chaalal, Roseline Poirier, David Blum, Serge Laroche, Valérie Enderlin
Hypothyroidism is a condition that becomes more prevalent with age. Patients with untreated hypothyroidism have consistently reported symptoms of severe cognitive impairments. In patients suffering hypothyroidism, thyroid hormone supplementation offers the prospect to alleviate the cognitive consequences of hypothyroidism; however, the therapeutic value of TH supplementation remains at present uncertain and the link between cellular modifications associated with hypothyroidism and neurodegeneration remains to be elucidated...
May 23, 2018: Molecular Neurobiology
Changzhen Yu, Junyu Zhao, Jinming Yao, Huanjun Wang, Hongxia Shang, Rui Zhang, Yujiao Cui, Likang Wang, Jianjun Dong, Lin Liao
RATIONALE: In patients with pituitary thyroid hormone resistance, the ability of the pituitary gland to detect (and down-regulate) the increase of triiodothyronine is selectively impaired, while the periphery remains sensitive to triiodothyronine levels, producing symptoms of peripheral thyrotoxicity. Subsequently, there is no feedback of pituitary production of thyroid-stimulating hormone (TSH), which is responsible for this hyperthyroidism. PATIENT CONCERNS: We report a case of a 46-year-old Chinese woman diagnosed with a thyroid nodule, with normal thyroid function...
May 2018: Medicine (Baltimore)
Talia Diker-Cohen, Benaya Rozen-Zvi, Dana Yelin, Amit Akirov, Eyal Robenshtok, Anat Gafter-Gvili, Daniel Shepshelovich
Euvolemic hyponatremia results from either the syndrome of inappropriate antidiuretic hormone secretion (SIADH), hypothyroidism, or adrenal insufficiency. Furthermore, the criteria for diagnosis of SIADH entail the exclusion of hypothyroidism and hypoadrenalism. We aim to assess the yield of euvolemic hyponatremia workup focusing on underlying endocrinopathies in a real-world setting. A single-center retrospective study includes all patients diagnosed with euvolemic hyponatremia in a tertiary hospital between 1...
May 22, 2018: Internal and Emergency Medicine
Joleen Choy, Julian Yaxley, William Yaxley
An association between hypothyroidism and renal impairment has rarely been reported in the literature. We describe a case of hypothyroidism that was associated with otherwise unexplained acute kidney impairment, which was reversed with treatment. A 21-year-old female patient presented to her family physician with myalgia, and preliminary investigations revealed an elevated level of creatine kinase and poor renal function. Primary hypothyroidism was diagnosed and no other apparent etiology for renal failure could be identified despite extensive investigations by the Nephrology Department...
May 2018: Korean Journal of Family Medicine
Panteleimon E Papakonstantinou, Nikolaos Gourniezakis, Christos Skiadas, Alexandros Patrianakos, Achilleas Gikas
CONTEXT: Hypothyroidism is a significant cause of pericardial effusion. However, large pericardial effusions due to hypothyroidism are extremely rare. Hormone replacement therapy is the cornerstone of treatment for hypothyroidism and regular follow-up of patients after initiation of the therapy is indicated. Herein, the case of a 70-year-old woman with a massive pericardial effusion due to Hashimoto's disease is presented. ISSUES: A 70-year-old female from a rural village on the island of Crete, Greece, was admitted to our hospital due to a urinary tract infection...
May 2018: Rural and Remote Health
Ji-Hoon Lee, MinA Park, Myung Jae Park, Yong Suk Jo
Hypothyroidism is relatively rare etiology of serositis with effusion, but massive pleural effusion is very unusual. This is a report of massive pleural effusion in patient taking methimazole after surgical resection of thyroid-stimulating hormone (TSH)-producing pituitary adenoma (TSHoma). The patient was clinically and biochemically hypothyroid and responded well to discontinuation of methimazole and thyroid hormone replacement therapy. When assessing patients with pleural effusion, we should not rely on laboratory test results alone, as a detailed medical history and thorough physical examination could be more useful...
May 14, 2018: Acta Clinica Belgica
G P Leese, R V Flynn, T M MacDonald, C Schofield, A D Mackie
No abstract text is available yet for this article.
March 2018: Journal of the Royal College of Physicians of Edinburgh
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