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Thyrotoxicosis

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https://www.readbyqxmd.com/read/28074218/-autoimmune-diseases-of-the-thyroid-gland
#1
S Allelein, J Feldkamp, M Schott
Autoimmune diseases of the thyroid gland are considered to be the most frequent cause of thyroid gland disorders. Autoimmune thyroid diseases consist of two subgroups: autoimmune thyroiditis (AIT) and Graves' disease. The AIT is the most common human autoimmune disease. Infiltration of the thyroid gland with cytotoxic T‑cells can lead to an initial thyrotoxicosis und during the course to hypothyroidism due to destruction of the thyroid gland. Substitution with Levothyroxine is indicated for manifest hypothyroidism and subclinical hypothyroidism with increased thyroid antibodies with the intention of normalizing the serum thyroid stimulating hormone (TSH)...
January 10, 2017: Der Internist
https://www.readbyqxmd.com/read/28065164/plasma-proteome-and-metabolome-characterization-of-an-experimental-human-thyrotoxicosis-model
#2
Maik Pietzner, Beatrice Engelmann, Tim Kacprowski, Janine Golchert, Anna-Luise Dirk, Elke Hammer, K Alexander Iwen, Matthias Nauck, Henri Wallaschofski, Dagmar Führer, Thomas F Münte, Nele Friedrich, Uwe Völker, Georg Homuth, Georg Brabant
BACKGROUND: Determinations of thyrotropin (TSH) and free thyroxine (FT4) represent the gold standard in evaluation of thyroid function. To screen for novel peripheral biomarkers of thyroid function and to characterize FT4-associated physiological signatures in human plasma we used an untargeted OMICS approach in a thyrotoxicosis model. METHODS: A sample of 16 healthy young men were treated with levothyroxine for 8 weeks and plasma was sampled before the intake was started as well as at two points during treatment and after its completion, respectively...
January 9, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28063079/the-thyroid-the-eyes-and-the-gut-a-possible-connection
#3
REVIEW
D Covelli, M Ludgate
INTRODUCTION: Graves' disease (GD) is an autoimmune disorder responsible for 60-90% of thyrotoxicosis, with an incidence of 1 to 2 cases per 1000 population per year in England. Graves' orbitopathy (GO) is the most frequent extrathyroidal manifestation, not provoked directly by abnormal thyroid hormone levels, but by the consequence of the underlying autoimmune process. The aetiology of autoimmune disorders is due to an interplay between susceptibility genes and environmental factors, such as infections and stress...
January 7, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28061802/thyrotropin-producing-pituitary-adenoma-simultaneously-existing-with-graves-disease-a-case-report
#4
Nobuhiko Arai, Makoto Inaba, Takamasa Ichijyo, Hiroshi Kagami, Yutaka Mine
BACKGROUND: Thyrotropin-producing pituitary tumor is relatively rare. In particular, concurrent cases associated with Graves' disease are extremely rare and only nine cases have been reported so far. We describe a case of a thyrotropin-producing pituitary adenoma concomitant with Graves' disease, which was successfully treated. CASE PRESENTATION: A 40-year-old Japanese woman presented with mild signs of hyperthyroidism. She had positive anti-thyroid-stimulating hormone receptor antibody, anti-thyroglobulin antibody, and anti-thyroid peroxidase antibody...
January 6, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28056690/2016-guidelines-of-the-american-thyroid-association-for-the-diagnosis-and-management-of-thyroid-disease-during-pregnancy-and-the-postpartum
#5
Erik K Alexander, Elizabeth N Pearce, Gregory A Brent, Rosalind S Brown, Herbert Chen, Chrysoula Dosiou, William Grobman, Peter Laurberg, John H Lazarus, Susan J Mandel, Robin Peeters, Scott Sullivan
BACKGROUND: Thyroid disease in pregnancy is a common clinical problem. Since the American Thyroid Association's (ATA's) guidelines for the management of these disorders were first published in 2011, significant clinical and scientific advances have occurred in the field. The aim of these guidelines is to inform clinicians, patients, researchers, and health policy makers on published evidence relating to the diagnosis and management of thyroid disease in women during pregnancy, preconception and the postpartum period...
January 6, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28034775/systematic-review-and-meta-analysis-on-intra-operative-neuro-monitoring-in-high-risk-thyroidectomy
#6
REVIEW
Kai Pun Wong, Ka Lun Mak, Carlos King Ho Wong, Brian Hung Hin Lang
INTRODUCTION: Use of intra-operative neuro-monitoring (IONM) during high-risk thyroidectomy has been suggested to decrease the rate of recurrent laryngeal nerve (RLN) palsy. However, current evidences were mixed and there was no large-scale study concluding its benefit. We evaluated the role of IONM in reducing RLN palsy during high-risk thyroidectomy and identified which high-risk subgroup would be most benefited. METHODS: A systemic review was performed to identify studies comparing the use of IONM and visual identification of RLN alone (VA) during high-risk thyroidectomy, namely re-operation, thyroidectomy for malignancy, thyrotoxicosis or retrosternal goitre...
December 26, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/28031847/infiltrative-thyrotoxicosis-an-unusual-case-of-diffuse-large-b-cell-lymphoma
#7
Michael T McCarthy, Michael Keyes, James O'Hare, Neville Shine, Rajnish K Gupta
Thyrotoxicosis is most commonly caused by Graves' disease, toxic multinodular goitre, a functioning thyroid adenoma, or thyroiditis. Extrinsic infiltrative conditions affecting the thyroid gland are typically destructive, and associated with thyroid hypofunction. We describe the case of a 61-year-old woman who presented to our hospital with symptoms of thyrotoxicosis, neck swelling and thyroid function tests consistent with hyperthyroidism. An ultrasound revealed a multinodular goitre with retrosternal extension, but CT imaging suggested thyroid gland infiltration, with cervical lymphadenopathy...
November 2016: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/28031674/takotsubo-cardiomyopathy-associated-with-primary-hyperthyroidism-secondary-to-toxic-multinodular-goiter
#8
Dale Murdoch, William O'Callaghan, Elham Reda, Selvanayagam Niranjan
Takotsubo cardiomyopathy is increasingly recognized as a distinct clinical entity. An association with thyroid disease has been identified in several case reports, mostly in the context of Grave disease. We report the case of a 67-year-old woman presenting with takotsubo cardiomyopathy and thyrotoxicosis secondary to toxic multinodular goiter. Previously unreported, this suggests that this association is related to the direct effects of thyroid hormone, rather than an autoimmune mechanism. Thyroid disease should be considered in patients presenting with takotsubo cardiomyopathy...
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28029692/isoflavin-beta-modifies-muscle-oxidative-stress-and-prevents-a-thyrotoxicosis-induced-loss-of-muscle-mass-in-rats
#9
Poliana C Marinello, Sara S Bernardes, Flávia A Guarnier, Thamara N X da Silva, Fernando H Borges, Natália M D Lopes, Andréa N C Simão, André Armani, Rubens Cecchini, Alessandra L Cecchini
: Introduction We sought to verify whether Isoflavin-beta (Iso-β), a mixture of isoflavones with antioxidant properties could prevent thyrotoxicosis-induced loss of muscle mass and the participation of oxidative stress (OS) in the mechanisms of this prevention. METHODS: Two experimental periods of thyrotoxicosis induction were used in Wistar rats: 3 and 5 days to assess Iso-β effects before and after thyrotoxicosis-induced muscle wasting. After euthanasia, peritoneal fat and gastrocnemius muscle were collected, weighed, and muscle OS was assessed...
December 28, 2016: Muscle & Nerve
https://www.readbyqxmd.com/read/28025026/hyperdynamic-right-heart-function-in-graves-hyperthyroidism-measured-by-echocardiography-normalises-on-restoration-of-euthyroidism
#10
Stephanie L Teasdale, Warrick J Inder, Michael Stowasser, Tony Stanton
BACKGROUND: Graves' hyperthyroidism commonly causes tachycardia and may result in pulmonary hypertension and high output cardiac failure. There is limited information regarding the effect of treatment on cardiac function measured using modern echocardiographic techniques. METHODS: Eight individuals with Graves' hyperthyroidism, aged 22-64 years, underwent comprehensive transthoracic echocardiography at three time points: before treatment, two weeks after commencement of carbimazole, and at six months or more when euthyroid...
November 19, 2016: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28008586/association-of-kcnj2-genetic-variants-with-susceptibility-to-thyrotoxic-periodic-paralysis-in-patients-with-graves-disease
#11
Suyeon Park, TaeYong Kim, Soyoung Sim, Hye-Seon Oh, Eyun Song, Mijin Kim, Hyemi Kwon, YunMi Choi, MinJi Jeon, WonGu Kim, YoungKee Shong, WonBae Kim
Objective: Thyrotoxic periodic paralysis (TPP) is characterized by acute onset paralysis and hypokalemia predominantly in male patients with thyrotoxicosis. Recent studies have emphasized the importance of potassium channels, which might explain the underlying mechanism of TPP. The KCNJ2 gene encodes the inward-rectifying potassium channel. In this study, we evaluated the role of KCNJ2 in the development of TPP. Design: Case-control analysis of KCNJ2 genetic association with TPP. Patients: 83 male patients with Graves' disease (GD) were recruited for this study; 43 patients had TPP, whereas 40 patients had no history of TPP...
December 22, 2016: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/27988915/airway-obstruction-caused-by-substernal-thyrotoxic-multinodular-goiter
#12
Haruihiro Sato, Ryota Masuda, Masayuki Iwazaki, Chie Inomoto, Sunao Shoji, Yoshiyuki Robert Osamura
BACKGROUND: Substernal thyrotoxic multinodular goiter (MNG) shows signs and symptoms as a result of compression of adjacent organs and thyrotoxicosis. However, acute airway obstruction is rarely caused by substernal thyrotoxic MNG. CASE REPORT: We have described a 56-year-old Japanese woman who demonstrated acute airway obstruction because of compression of the airway by substernal thyrotoxic MNG. She had been diagnosed with substernal thyrotoxic MNG 6 years back...
December 20, 2016: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/27981252/thyroid-hormone-dysfunction-during-pregnancy-a-review
#13
REVIEW
Aynadis Alemu, Betelihem Terefe, Molla Abebe, Belete Biadgo
Thyroid dysfunctions such as hypothyroidism, thyrotoxicosis and thyroid nodules may develop during pregnancy leading to abortion, placental abruptions, preeclampsia, preterm delivery and reduced intellectual function in the offspring. Epidemiological data have shown the significant role of maternal thyroid hormone in fetal neurologic development and maternal health. It has been suggested that the deleterious effects of thyroid dysfunction can also extend beyond pregnancy and delivery to affect neuro-intellectual development in the early life of the child...
November 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/27966300/relationship-between-gestational-transient-thyrotoxicosis-and-vitamin-d
#14
Ferit Kerim Küçükler, Yasin Şimşek, Ümit Görkem, Berçem Ayçiçek Doğan, Serdar Güler
BACKGROUND/AIM: Gestational transient thyrotoxicosis (GTT) is a transient, mild hyperthyroidism that occurs early in pregnancy and is due to human chorionic gonadotropin. There is no clear information about why only some pregnant women develop GTT. Previous papers stated that vitamin D plays a role in thyroid functions. We aimed to evaluate the relationship between vitamin D and GTT. MATERIALS AND METHODS: Fifty-three patients diagnosed with GTT at the 6th to 10th weeks of gestation were included in the study (GTT group)...
November 17, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/27941175/a-case-of-hypercalcaemic-crisis-secondary-to-coexistence-of-primary-hyperparathyroidism-and-graves-disease
#15
S Baldane, S H Ipekci, R Evcen, G K Gedik, I Guler, L Kebapcilar
A 46 year-old female patient presented to the hospital with ongoing and progressively increasing fatigue, severe nausea and vomiting, loss of appetite, constipation, palpitations and somnolence. Laboratory evaluation revealed a severe hypercalcaemia and overt hyperthyroidism. She was diagnosed with primary hyperparathyroidism accompanied by Graves' disease. The patient underwent total thyroidectomy and right inferior parathyroid gland adenoma excision on the 24th day of her admission to the hospital after calcium levels and free thyroid hormone levels were brought to normal ranges...
October 1, 2016: Endocrine Regulations
https://www.readbyqxmd.com/read/27933173/a-rare-case-of-gestational-thyrotoxicosis-as-a-cause-of-acute-myocardial-infarction
#16
Varalaxmi Bhavani Nannaka, Dmitry Lvovsky
: Angina pectoris in pregnancy is unusual and Prinzmetal's angina is much rarer. It accounts for 2% of all cases of angina. It is caused by vasospasm, but the mechanism of spasm is unknown but has been linked with hyperthyroidism in some studies. Patients with thyrotoxicosis-induced acute myocardial infarction are unusual and almost all reported cases have been associated with Graves' disease. Human chorionic gonadotropin hormone-induced hyperthyroidism occurs in about 1.4% of pregnant women, mostly when hCG levels are above 70-80 000 IU/L...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27917400/high-dose-biotin-treatment-for-secondary-progressive-multiple-sclerosis-may-interfere-with-thyroid-assays
#17
Alissa Minkovsky, Mark N Lee, Mitra Dowlatshahi, Trevor E Angell, Lilian S Mahrokhian, Athena K Petrides, Stacy E F Melanson, Ellen Marqusee, Whitney W Woodmansee
OBJECTIVE: To review cases and increase awareness in clinicians treating patients who may be taking biotin. METHODS: We describe the presentation and workup of a woman with secondary progressive multiple sclerosis on high dose biotin with laboratory studies suggestive of thyrotoxicosis. RESULTS: Plasma samples showed laboratory evidence of elevated thyroid hormone levels with elevated free thyroxine >7.8 ng/dl (reference interval (RI) 0...
2016: AACE Clin Case Rep
https://www.readbyqxmd.com/read/27882257/a-hormonally-active-malignant-struma-ovarii
#18
Carolina Lara, Dalia Cuenca, Latife Salame, Rafael Padilla-Longoria, Moisés Mercado
Struma ovarii is a rare monodermal variant of ovarian teratoma that contains at least 50% thyroid tissue. Less than 8% of struma ovarii cases present with clinical and biochemical evidence of thyrotoxicosis due to ectopic production of thyroid hormone and only 5% undergo malignant transformation into a papillary thyroid carcinoma. Only isolated cases of hormonally active papillary thyroid carcinoma developing within a struma ovarii have been reported in the literature. We report the case of a 36-year-old woman who presented with clinical signs and symptoms of hyperthyroidism as well as a left adnexal mass, which proved to be a thyroid hormone-producing, malignant struma ovarii...
2016: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/27864708/thyroid-dysfunction-and-kidney-disease-an-update
#19
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/27863789/comparative-analysis-of-radioactive-iodine-versus-thyroidectomy-for-definitive-treatment-of-graves-disease
#20
Vincent T Wu, Allison W Lorenzen, Anna C Beck, Vincent J Reid, Sonia L Sugg, James R Howe, Janet H Pollard, Geeta Lal, Ronald J Weigel
BACKGROUND: Management of Graves disease includes antithyroid drugs, (131)I therapy, or thyroidectomy. Our aim was to review our institutional experience with definitive treatments for Graves disease. METHODS: This was a retrospective review of patients undergoing (131)I therapy (n = 295) or thyroidectomy (n = 103) for Graves disease (2003-2015). Demographic, clinical, pathology, and outcome data were collected from institutional databases. RESULTS: (131)I therapy patients were older (39...
January 2017: Surgery
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