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Levothyroxine

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https://www.readbyqxmd.com/read/27914141/unfavorable-course-of-subclinical-hypothyroidism-in-children-with-hashimoto-s-thyroiditis-compared-to-those-with-isolated-non-autoimmune-hyperthyrotropinemia
#1
Yun Jeong Lee, So Yoon Jung, Hae Woon Jung, So Youn Kim, Young Ah Lee, Seong Yong Lee, Choong Ho Shin, Sei Won Yang
Subclinical hypothyroidism (SCH) is a common problem in pediatric population, and the natural history of SCH varies depending on its etiology. Whether Hashimoto's thyroiditis (HT) negatively affects the natural course of SCH was investigated in pediatric patients without concomitant diseases. Predictors for levothyroxine medication were also evaluated. Medical records of 109 children with SCH (91 girls, 5?18 years) diagnosed between 2005 and 2014 were retrospectively reviewed. Patients were classified into HT (n = 37) and isolated non-autoimmune hyperthyrotropinemia (iso-NAHT, n = 72)...
January 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/27906155/-prevalence-of-hypothyroidism-in-andalusia-spain-determined-by-thyroid-hormone-comsumption
#2
José Escribano-Serrano, José Mancera-Romero, Vanessa Santos-Sánchez, Carolina Payá-Giner, Mª Isabel Méndez-Esteban, Antonio García-Bonilla, Manuela Márquez-Ferrando, Antonio Hormigo-Pozo, Alfredo Michán-Doña
OBJECTIVE: Hypothyroidism is the most common condition linked to a hormone deficiency, nevertheless data on its prevalence are scarce in Spain. For that reason, we have estimated its prevalence through the registration of patients who had used thyroid hormones in Andalusia (South Spain). METHODS: Data of patients who had withdrawn levothyroxine under the public system during 2014 from the base of the Andalusian Health Service were considered. Prevalence were calculated with confidence intervals of 95% for each management area, stratified by sex and age groups, and differences between them were evaluated...
December 2, 2016: Revista Española de Salud Pública
https://www.readbyqxmd.com/read/27902975/timing-of-hormone-withdrawal-in-children-undergoing-131i-whole-body-scans-for-thyroid-cancer
#3
Sophie Turpin, Raymond Lambert, Cheri Deal
BACKGROUND: Little objective pediatric data exist to guide the optimal time needed to achieve thyroid-stimulating hormone (TSH) levels ≥30 μIU/mL prior to performing 131I or 123I whole-body scan (WBS) imaging in children with thyroid cancer in the post-thyroidectomy period or after hormone discontinuation. METHODS: Retrospective study of patients aged 5-19 years who underwent WBS. Patient data collection included type and duration of withdrawal (liothyronine [L-T3], levothyroxine [L-T4], or post-thyroidectomy status without hormonal replacement) and TSH measured prior to WBS (level and timing)...
December 1, 2016: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/27891281/septooptic-dysplasia-with-an-associated-arachnoid-cyst
#4
Skyler V McLaurin-Jiang, Julie K Wood, David F Crudo
A 4-week-old male infant presented with hypothermia, hypoglycemia, and hyperbilirubinemia. His medical history was remarkable for hydrocephalus secondary to an arachnoid cyst, intermittent hypoglycemia, hypothermia, and poor feeding requiring nasogastric tube for nutrition. Physical exam revealed retrognathia, mild hypotonia, micropenis, and clinodactyly. Ophthalmologic exam demonstrated bilateral optic nerve hypoplasia (ONH). Laboratory data confirmed inadequate cortisol and growth hormone response to hypoglycemia, a low thyroxine level, and direct hyperbilirubinemia...
2016: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/27889732/distal-renal-tubular-acidosis-associated-with-celiac-disease-and-thyroiditis
#5
Amit Kumar Satapathy, Sapna Mittal, Vandana Jain
BACKGROUND: Association of distal renal tubular acidosis (RTA) with autoimmune diseases is extremely rare in children. CASE CHARACTERISTICS: 12-year-old girl with distal RTA. Despite resolution of acidosis on bicarbonate, she continued to have poor growth and delayed puberty. Investigations revealed autoimmune thyroiditis and celiac disease. OUTCOME: Levothyroxine and gluten-free diet were initiated. Child gained height and weight and had onset of puberty after gluten withdrawal...
November 15, 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/27886341/clinical-efficacy-of-therapeutic-intervention-for-subclinical-hypothyroidism-during-pregnancy
#6
R Ju, L Lin, Y Long, J Zhang, J Huang
This study explored the effects of levothyroxine (L-T4) replacement therapy on pregnancy outcomes in patients with subclinical hypothyroidism (SCH). We analyzed the effects on pregnancy outcomes with respect to gestational week when the desired thyroid-stimulating hormone (TSH) level was reached as well as the length of time required to reach the target level during L-T4 treatment. This study enrolled 457 patients diagnosed with SCH upon initial thyroid function screening. Subjects were assigned to the treatment group (N = 184), and the control group (N = 273)...
November 21, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27879326/effects-of-levothyroxine-treatment-on-pregnancy-outcomes-in-pregnant-women-with-autoimmune-thyroid-disease
#7
Sima Nazarpour, Fahimeh Ramezani Tehrani, Masoumeh Simbar, Maryam Tohidi, Hamid Alavi Majd, Fereidoun Azizi
BACKGROUND: Despite some studies indicating that thyroid antibody positivity during pregnancy has been associated with adverse pregnancy outcomes, evidence regarding the effects of levothyroxine (LT4) treatment of euthyroid/subclinical hypothyroid pregnant women with autoimmune thyroid disease on pregnancy outcome is limited. We aimed to assess whether pregnant women with autoimmune thyroid disease, but without overt thyroid dysfunction are affected by higher rates of adverse pregnancy outcomes...
November 22, 2016: European Journal of Endocrinology
https://www.readbyqxmd.com/read/27872610/relational-stability-in-the-expression-of-normality-variation-and-control-of-thyroid-function
#8
REVIEW
Rudolf Hoermann, John E M Midgley, Rolf Larisch, Johannes W Dietrich
Thyroid hormone concentrations only become sufficient to maintain a euthyroid state through appropriate stimulation by pituitary thyroid-stimulating hormone (TSH). In such a dynamic system under constant high pressure, guarding against overstimulation becomes vital. Therefore, several defensive mechanisms protect against accidental overstimulation, such as plasma protein binding, conversion of T4 into the more active T3, active transmembrane transport, counter-regulatory activities of reverse T3 and thyronamines, and negative hypothalamic-pituitary-thyroid feedback control of TSH...
2016: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/27867882/prevalence-of-hypothyroidism-in-diabetic-kidney-disease-and-effect-of-thyroid-hormone-replacement-on-estimate-glomerular-filtration-rate
#9
Sarita Bajaj, Naincy Purwar, Arvind Gupta, Poonam Gupta, Anubha Srivastava
AIMS: To determine the prevalence of subclinical and overt hypothyroidism in diabetic kidney disease (DKD) and effect of thyroid hormone replacement on progression of DKD. MATERIALS AND METHODS: A prospective cohort study on 41 adult DKD patients who were screened for hypothyroidism. Hypothyroid DKD patients were started on levothyroxine replacement and were reviewed after 3 and 6 months. RESULTS: Of the total population, 14 (34.1%) cases were hypothyroid, among whom 12 (29...
November 2016: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27856930/effects-of-thyroid-hormone-withdrawal-on-metabolic-and-cardiovascular-parameters-during-radioactive-iodine-therapy-in-differentiated-thyroid-cancer
#10
Jee Hyun An, Kee-Ho Song, Dong-Lim Kim, Suk Kyeong Kim
OBJECTIVE: To investigate the cardiometabolic effects of a severe hypothyroid state induced by withdrawal of thyroid hormone replacement before radioactive iodine therapy. METHODS: Patients with thyroid cancer who were scheduled to receive radioactive iodine ablation were enrolled. Cardiometabolic parameters were measured using blood samples taken immediately before levothyroxine withdrawal, 4 weeks following withdrawal (on radiotherapy day), and 4 weeks following reinstitution of levothyroxine...
November 17, 2016: Journal of International Medical Research
https://www.readbyqxmd.com/read/27855237/insulin-autoimmune-syndrome-a-rare-cause-of-postprandial-hypoglycemia
#11
Pooja Sahni, Nitin Trivedi, Abdulkadir Omer
: A 65-year-old obese Caucasian woman presented with symptomatic postprandial hypoglycemic episodes, resolution of symptoms with carbohydrate intake and significantly elevated anti-insulin antibody levels. She did not have any evidence for the use of oral antidiabetic medications, insulin, herbal substances, performing strenuous exercise or history of bariatric surgery. Fingerstick blood glucose readings revealed blood sugar of 35 mg/dL and 48 mg/dL, when she had these symptoms. Her medical history was significant for morbid obesity, hypothyroidism and gastro esophageal reflux disease...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27852097/subclinical-hypothyroidism-and-intracytoplasmic-sperm-injection-outcomes
#12
Marcela de Alencar Coelho Neto, Wellington de Paula Martins, Anderson Sanches de Melo, Rui Alberto Ferriani, Paula Andrea Navarro
Purpose Whether preconception elevated concentrations of thyroid-stimulating hormone (TSH) compromises reproductive outcomes in patients undergoing assisted reproduction techniques (ARTs) remains unclear. This study therefore compared the reproductive outcomes in patients with TSH concentrations of < 2.5 mIU/L, 2.5-4.0 mIU/L, and 4.0-10.0 mIU/L undergoing controlled ovarian stimulation (COS) for in vitro fertilization (IVF)/intracytoplasmic sperm injection (ICSI). Methods This retrospective cohort study evaluated the medical records of all women with measured TSH concentrations who underwent IVF/ICSI between January 2011 and December 2012...
November 16, 2016: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/27851310/1675-exogenous-equine-levothyroxine-toxicity
#13
Jennifer Garber, Nicholas Beach
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27849377/in-patients-with-subclinical-hypothyroidism-while-in-therapy-with-tablet-l-t4-the-liquid-l-t4-formulation-is-more-effective-in-restoring-euthyroidism
#14
Poupak Fallahi, Silvia Martina Ferrari, Alessandro Antonelli
OBJECTIVE: Levothyroxine (L-T4) is the standard therapy of hypothyroidism. Our purpose is to compare the effectiveness of L-T4 liquid formulation, with respect to L-T4 tablet, in hypothyroid patients without malabsorption or drug interference. METHODS: Twentyone subjects with high thyroid-stimulating hormone (TSH) values under therapy with L-T4 tablets were switched to liquid L-T4 at the same dosage, 30 minutes before breakfast. RESULTS: TSH values significantly declined after 2 months from the switch to liquid L-T4, reaching in most cases the normal range...
November 16, 2016: Endocrine Practice
https://www.readbyqxmd.com/read/27834772/early-neuropsychological-adverse-events-after-switching-from-pi-r-to-dolutegravir-could-be-related-to-hyperthyroidism-in-patients-under-levothyroxine
#15
Jean-Luc Berger, Yohan Nguyen, Delphine Lebrun, Caroline Migault, Maxime Hentzien, Hélène Marty, Firouzé Bani-Sadr
No abstract text is available yet for this article.
December 11, 2016: Antiviral Therapy
https://www.readbyqxmd.com/read/27828692/congenital-hypothyroidism-polish-recommendations-for-therapy-treatment-monitoring-and-screening-tests-in-special-categories-of-neonates-with-increased-risk-of-hypothyroidism
#16
Anna Małgorzata Kucharska, Iwona Beń-Skowronek, Mieczysław Walczak, Mariusz Ołtarzewski, Mieczysław Szalecki, Teresa Jackowska, Andrzej Lewiński, Artur Bossowski
Proper treatment of congenital hypothyroidism warrants normal intellectual and physical development. This paper introduces the principles of treatment of congenital hypothyroidism, the recommended levothyroxine dosage, and the aims of therapy with its justification. The principles of treatment, specialist care of the patient, and methods used to evaluate therapeutic effects are described. Based on these data, recommendations concerning treatment and its monitoring in patients with congenital hypothyroidism are formulated...
2016: Endokrynologia Polska
https://www.readbyqxmd.com/read/27828690/immunoglobulin-g4-related-thyroid-disorders-diagnostic-challenges-and-clinical-outcomes
#17
Deep Dutta, Arvind Ahuja, Chitra Selvan
Ig-G4 related disease (IgG4RD) is a heterogeneous disorder with multi-organ involvement recognised as a separate entity at the start of this century only. It is currently one of the hottest areas of clinical and translational research across specialties. Thyroid involvement in IgG4RD is rare, believed to occur in less than 4% of cases, may be isolated or may be associated with other organ involvement. As of today Riedel's thyroiditis, fibrosing variant of Hashimoto's thyroiditis, and few patients of Graves' orbitopathy represent the types of IgG4-related thyroid disease (IgG4RTD)...
2016: Endokrynologia Polska
https://www.readbyqxmd.com/read/27819132/effects-of-concomitant-diabetes-mellitus-and-hyperthyroidism-on-testicular-and-epididymal-histoarchitecture-and-steroidogenesis-in-male-animals
#18
Nazar Ali Korejo, Quan-Wei Wei, Atta Hussain Shah, Fang-Xiong Shi
This study evaluated the effects of comorbid disorders of diabetes and hyperthyroidism in the adult male mice. In total, 32 ICR strain mice were equally distributed into four groups: control (C), diabetic (D), diabetic-plus-hyperthyroid (DH), and hyperthyroid (H). Mice allocated for diabetes received a single intraperitoneal injection of streptozotocin (STZ) at 200 mg/kg body weight. At the onset of diabetes, one group of mice was concomitantly injected levothyroxine (LT4; 0.3 mg/kg body weight) and the other set of animals received the same treatment independently on a daily basis...
2016: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/27813690/fetal-neonatal-thyrotoxicosis-in-a-newborn-from-a-hypothyroid-woman-with-hashimoto-s-thyroiditis
#19
Florian W Kiefer, Katrin Klebermass-Schrehof, Manuel Steiner, Christof Worda, Gregor Kasprian, Tanja Diana, George J Kahaly, Alois Gessl
CONTEXT: Fetal/neonatal thyrotoxicosis is a rare but potentially life-threatening condition. It is most commonly observed in poorly controlled Graves' disease during pregnancy. CASE DESCRIPTION: Here we describe the first reported case of thyrotoxicosis in a fetus/newborn from a woman with Hashimoto's thyroiditis and levothyroxine-treated hypothyroidism. Transplacental passage of stimulating TSH-receptor antibodies, measured by a cell-based bioassay, was the underlying mechanism of fetal/neonatal thyrotoxicosis even though the mother had no history of hyperthyroidism...
November 4, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27809716/letter-to-the-editor-methodological-comments-on-the-study-by-negro-et-al-entitled-impact-of-levothyroxine-in-miscarriage-and-preterm-delivery-rates-in-first-trimester-thyroid-antibody-positive-women-with-tsh-2-5miu-l
#20
Tim I M Korevaar, Robin P Peeters
No abstract text is available yet for this article.
November 2016: Journal of Clinical Endocrinology and Metabolism
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