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clinical thyroid function test

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https://www.readbyqxmd.com/read/29771756/thyrotropin-receptor-antibodies-an-overview
#1
Anupam Kotwal, Marius Stan
PURPOSE: Thyroid autoimmunity affects approximately 5% of the population, and its investigation relies heavily on the use of autoantibodies. Thyroid stimulating hormone receptor (TSHR) autoantibodies (TRAb) play a central role in the evaluation of Graves disease (GD), Graves ophthalmopathy (GO) and pretibial myxedema (PTM). However, there is still controversy regarding overall TRAb assay diagnostic accuracy and their prognostic utility. METHODS: We reviewed and analyzed the literature reporting TRAb assays and their clinical utility...
May 2, 2018: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29769383/incidence-of-thyroid-function-test-abnormalities-in-patients-receiving-immune-checkpoint-inhibitors-for-cancer-treatment
#2
Nisha Subhash Patel, Anais Oury, Gregory A Daniels, Lyudmila Bazhenova, Sandip Pravin Patel
BACKGROUND: With the advent of immune-checkpoint inhibitor (ICI) therapy (anti-CTLA-4, anti-PD-1), immune-related adverse events such as thyroid function test abnormalities (TFTAs) are common, with a reported incidence range of 2%-15% depending upon the ICI used. The aim of this study is to describe the incidence of TFTAs retrospectively in patients who received ICI therapy. METHODS: A total of 285 patients were reviewed (178 male, 107 female; 16-94 years of age), of whom 218 had no baseline TFTAs, 61 had baseline TFTAs, and 6 had a history of thyroidectomy (excluded)...
May 16, 2018: Oncologist
https://www.readbyqxmd.com/read/29768692/prevalence-of-subclinical-hypothyroidism-in-obese-children-or-adolescents-and-association-between-thyroid-hormone-and-the-components-of-metabolic-syndrome
#3
Hye Young Jin
AIM: Subclinical hypothyroidism is defined as elevated thyroid-stimulating hormone (TSH) levels with the normal concentrations of thyroxine (T4) or free thyroxine (fT4), and its clinical significance is unclear. The purpose of this study is to investigate the prevalence of subclinical hypothyroidism in children and adolescents and determine the relationship between lipid profiles, insulin resistance and thyroid hormones. METHODS: A retrospective, cross-sectional study was performed using data from a subset of the KNHANES VI...
May 16, 2018: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29762678/using-statistical-anomaly-detection-models-to-find-clinical-decision-support-malfunctions
#4
Soumi Ray, Dustin S McEvoy, Skye Aaron, Thu-Trang Hickman, Adam Wright
Objective: Malfunctions in Clinical Decision Support (CDS) systems occur due to a multitude of reasons, and often go unnoticed, leading to potentially poor outcomes. Our goal was to identify malfunctions within CDS systems. Methods: We evaluated 6 anomaly detection models: (1) Poisson Changepoint Model, (2) Autoregressive Integrated Moving Average (ARIMA) Model, (3) Hierarchical Divisive Changepoint (HDC) Model, (4) Bayesian Changepoint Model, (5) Seasonal Hybrid Extreme Studentized Deviate (SHESD) Model, and (6) E-Divisive with Median (EDM) Model and characterized their ability to find known anomalies...
May 11, 2018: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/29756541/does-reverse-triiodothyronine-testing-have-clinical-utility-an-analysis-of-practice-variation-based-on-data-from-a-national-reference-laboratory
#5
Robert L Schmidt, Jonathan LoPresti, Michael T McDermott, Suzanna M Zick, Joely A Straseski
BACKGROUND: Clinical laboratories are under pressure to increase value by improving test utilization. The clinical utility of reverse triiodothyronine (rT3) is controversial. We conducted a study to identify order patterns that might suggest inappropriate utilization of reverse triiodothyronine. METHODS: We reviewed all orders for thyroid tests placed over a period of one year at a national reference laboratory. We analyzed order patterns by client (hospital) and by provider...
May 14, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29749329/is-celiac-disease-misdiagnosed-in-children-with-functional-constipation
#6
Sezin Akman, Özlem Şahaloğlu, Ceyhun Dalkan, Nerin Nadir Bahçeciler, Çiğdem Arıkan
BACKGROUND/AIMS: Functional constipation is one of the common problems in childhood, and it comprises approximately 5% of the pediatric outpatient clinical applications. On the other hand, celiac disease (CD) is an immune enteropathy with the prevalence between 1/150 and 1/200. In addition to the classical symptoms of the disease such as diarrhea and weight loss, the incidence of atypical symptoms is increasing. This study aims to determine the prevalence of CD in patients with chronic constipation...
March 2018: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/29742907/new-interfaces-of-thyroid-hormone-actions-with-blood-coagulation-and-thrombosis
#7
Paul J Davis, Shaker A Mousa, Geraldine P Schechter
Substantial clinical evidence indicates hyperthyroidism enhances coagulation and increases the risk of thrombosis. In vitro and clinical evidence implicate multiple mechanisms for this risk. Genomic actions of thyroid hormone as 3,5,3'-triiodo-L-thyronine (T3 ) via a nuclear thyroid hormone receptor have been implicated, but recent evidence shows that nongenomic mechanisms initiated at the receptor for L-thyroxine (T4 ) on platelet integrin αvβ3 are prothrombotic. The T4 -initiated mechanisms involve platelet activation and, in addition, cellular production of cytokines and chemokines such as CX3CL1 with procoagulatory activities...
January 1, 2018: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/29737056/-correlation-of-thyroid-autoantibodies-system-lupus-erythematosus-immunologic-indicators-and-disease-activity-in-sle-with-ht
#8
Huan Liu, Li-Hua Yang, Geng Yin, Qi-Bing Xie
OBJECTIVE: To investigate the correlation of disease activity and thyroid indicators ,immunologic markers of system lupus erythematosus (SLE) in SLE with Hashimoto's thyroiditis (HT). METHODS: The clinical data of 63 cases of SLE with HT were collected. According to Systemic lupus erythematosus disease activity index 2000 (SLEDAI-2000),we classified the patients into four groups,which were remission group (5 cases),low (19 cases),moderate (12 cases) and high (27 cases) disease activity group...
March 2018: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/29722302/stimulating-effect-of-thyroid-hormones-in-peripheral-nerve-regeneration-research-history-and-future-direction-toward-clinical-therapy
#9
REVIEW
I Barakat-Walter, R Kraftsik
Injury to peripheral nerves is often observed in the clinic and severe injuries may cause loss of motor and sensory functions. Despite extensive investigation, testing various surgical repair techniques and neurotrophic molecules, at present, a satisfactory method to ensuring successful recovery does not exist. For successful molecular therapy in nerve regeneration, it is essential to improve the intrinsic ability of neurons to survive and to increase the speed of axonal outgrowth. Also to induce Schwann cell phenotypical changes to prepare the local environment favorable for axonal regeneration and myelination...
April 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29709030/initial-evaluation-of-thyroid-dysfunction-are-simultaneous-tsh-and-ft4-tests-necessary
#10
Claudio Schneider, Martin Feller, Douglas C Bauer, Tinh-Hai Collet, Bruno R da Costa, Reto Auer, Robin P Peeters, Suzanne J Brown, Alexandra P Bremner, Peter C O'Leary, Peter Feddema, Peter J Leedman, Drahomir Aujesky, John P Walsh, Nicolas Rodondi
OBJECTIVE: Guidelines for thyroid function evaluation recommend testing TSH first, then assessing fT4 only if TSH is out of the reference range (two-step), but many clinicians initially request both TSH and fT4 (one-step). Given limitations of previous studies, we aimed to compare the two-step with the one-step approach in an unselected community-dwelling study population, and develop a prediction score based on clinical parameters that could identify at-risk patients for thyroid dysfunction...
2018: PloS One
https://www.readbyqxmd.com/read/29708883/graves-disease-following-allogenic-hematopoietic-stem-cell-transplantation-for-severe-aplastic-anemia-case-report-and-literature-review
#11
Ahu Paketçi, Korcan Demir, Özlem Tüfekçi, Sezer Acar, Ayhan Abacı, Şebnem Yılmaz, Ece Böber
BACKGROUND: Similar autoimmune processes (defective T-cell function) take place during the pathogenesis of aplastic anemia (AA) and Graves' disease (GD). Antithyroid drugs used for the management of GD may induce AA and GD may occur following treatment of severe aplastic anemia (SAA). CASE PRESENTATION: Clinical and laboratory investigations were performed for an 11-year-and-2-month-old girl who was referred for bilateral exophthalmus and abnormal thyroid function tests...
April 25, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29701190/-relationship-between-unexplained-palpitation-in-children-and-head-up-tilt-test
#12
Tuoyu Gan, Lijia Wu, Runmei Zou, Ping Lin, Fang Li, Hong Yang, Ping Liu, Xiaohui Gong, Cheng Wang
To explore the relationship between unexplained palpitation in children and head-up tilt test (HUTT).
 Methods: A total of 142 children with the main symptom of unexplained palpitation were admitted to the Specialist Out-Patient Clinic of Children's Cardiovascular Disease from Sept. 2008 to Feb. 2017 in the Second Xiangya Hospital, Central South University. Among them, 63 cases were male, 79 cases were female, with the mean age of (10.12±2.88) years old. The detailed history, physical examinations, conventional 12 electrocardiogram, chest X-ray, echocardiography, myocardial enzymes and thyroid function were all examined...
March 28, 2018: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/29698806/identification-of-two-14q32-deletions-involving-dicer1-associated-with-the-development-of-dicer1-related-tumors
#13
John C Herriges, Sara Brown, Maria Longhurst, Jillian Ozmore, John B Moeschler, Aura Janze, Jeanne Meck, Sarah T South, Erica F Andersen
DICER1 encodes an RNase III endonuclease protein that regulates the production of small non-coding RNAs. Germline mutations in DICER1 are associated with an autosomal dominant hereditary cancer predisposition syndrome that confers an increased risk for the development of several rare childhood and adult-onset tumors, the most frequent of which include pleuropulmonary blastoma, ovarian sex cord-stromal tumors, cystic nephroma, and thyroid gland neoplasia. The majority of reported germline DICER1 mutations are truncating sequence-level alterations, suggesting that a loss-of-function type mechanism drives tumor formation in DICER1 syndrome...
April 23, 2018: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/29695833/chronic-expression-of-wild-type-ret-receptor-in-the-mammary-gland-induces-luminal-tumors-that-are-sensitive-to-ret-inhibition
#14
Albana Gattelli, Martín E García Solá, Tim C Roloff, Robert D Cardiff, Edith C Kordon, Lewis A Chodosh, Nancy E Hynes
The receptor tyrosine kinase Ret, a key gain-of-function mutated oncoprotein in thyroid carcinomas, has recently been implicated in other cancer types. While Ret copy number gains and mutations have been reported at low frequencies in breast tumors, we and others have reported that Ret is overexpressed in about 40% of human tumors and this correlates with poor patient prognosis. Ret activation regulates numerous intracellular pathways related to proliferation and inflammation, but it is not known whether abnormal Ret expression is sufficient to induce mammary carcinomas...
April 26, 2018: Oncogene
https://www.readbyqxmd.com/read/29686830/cytomorphological-spectrum-of-thyroiditis-a-review-of-110-cases
#15
Shirish S Chandanwale, Rahul Nair, Anushree Gambhir, Supreet Kaur, Aditi Pandey, Abhinav Shetty, Piyusha Naragude
Introduction: Different types of thyroiditis may share some parallel clinical and biochemical features. Timely intervention can significantly reduce morbidity and mortality. Aim: Aim of this study is to find the frequency of various thyroiditis, study the cytomorphological features and correlate with clinical findings including radiological findings, thyroid function test, and anti-thyroid peroxidase antibodies (Anti-TPO antibodies). Materials and Methods: The study included consecutive 110 cases of thyroiditis...
2018: Journal of Thyroid Research
https://www.readbyqxmd.com/read/29674333/intravenous-and-intratracheal-thyrotropin-releasing-hormone-and-its-analog-taltirelin-reverse-opioid-induced-respiratory-depression-in-isoflurane-anesthetized-rats
#16
James D Boghosian, Anita Luethy, Joseph F Cotten
Thyrotropin releasing hormone (TRH) is a tripeptide hormone and a neurotransmitter widely-expressed in the CNS that regulates thyroid function and that maintains physiologic homeostasis. Following injection in rodents, TRH has multiple effects including increased blood pressure and breathing. We tested the hypothesis that TRH and its long-acting analog, taltirelin, will reverse morphine-induced respiratory depression in anesthetized rats following intravenous(IV) or intratracheal(IT) administration. TRH (1 mg/kg plus 5 mg/kg/hour IV) and talitrelin (1 mg/kg IV), when administered to rats pretreated with morphine (5 mg/kg IV), increased ventilation from 50±6 to 131±7% and 45±6 to 168±13% (percent baseline; n=4±SEM), primarily through increased breathing rates (from 76+/-9 to 260±14% and 66±8 to 318±37%)...
April 19, 2018: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29652597/hypothyroidism-during-tyrosine-kinase-inhibitor-therapy-is-associated-with-longer-survival-in-patients-with-advanced-nonthyroidal-cancers
#17
Melissa G Lechner, Chirag M Vyas, Ole-Petter R Hamnvik, Erik K Alexander, P Reed Larsen, Toni K Choueiri, Trevor E Angell
BACKGROUND: Tyrosine kinase inhibitor (TKI)-induced thyroid dysfunction is recognized as a common adverse effect of treatment, but the importance of incident hypothyroidism during TKI therapy remains unclear. This study analyzed the prognostic significance of hypothyroidism during TKI therapy in cancer patients. METHODS: This was a retrospective cohort study of adult patients with advanced nonthyroidal cancer treated with TKI and available thyroid function testing at three affiliated academic hospitals from 2000 to 2017...
April 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29649988/the-function-and-morphology-of-meibomian-glands-in-patients-with-thyroid-eye-disease-a-preliminary-study
#18
Chia-Yu Wang, Ren-Wen Ho, Po-Chiung Fang, Hun-Ju Yu, Chun-Chih Chien, Chang-Chun Hsiao, Ming-Tse Kuo
BACKGROUND: To investigate function and morphology of the meibomian gland (MG) in patients with thyroid eye disease (TED). METHODS: In this prospective case series study, patients with unilateral or bilateral TED were consecutively enrolled. The diagnosis of TED was based on the typical orbital findings and/or radiographic evidence. The disease activity of TED was classified according to the clinical activity score (CAS). Degrees of lagophthalmos and exophthalmos, blinking rates, and results of the Schirmer test 1 were also recorded...
April 12, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29645066/intellectual-performance-of-children-of-mothers-with-an-untreated-thyroid-disorder-in-the-first-pregnancy-trimester
#19
Irena Komendová, Sylvie Špitálníková
INTRODUCTION: The focus of the present study was the importance of the mother's thyroid function for foetal development in the first trimester, when the baby is totally dependent on the mother for thyroid hormones. MATERIAL AND METHODS: The study consisted in testing the intellectual performance of children with both euthyroid and thyroid-dysfunction mothers. The experimental group comprised 60 children of mothers with an untreated thyroid disorder in the first trimester of their pregnancy (TSH≥3...
April 12, 2018: Endokrynologia Polska
https://www.readbyqxmd.com/read/29642833/-management-and-treatment-difficulties-of-multi-drug-resistant-pulmonary-tuberculosis-in-a-pediatric-case
#20
Selda Hançerli Törün, Emine Manolya Acar, Ayper Somer, Gonca Erköse, Dilek Şatana, Zuhal Bayramoğlu, Emine Çalışkan, Zeki Kılıçaslan
Tuberculosis continues to be a major health problem worldwide. Multidrug resistant tuberculosis (MDR-TB) infection that occurs in childhood is caused by adult MDR-TB agents which are in circulation and resistant to primary drugs. In this case report a 17-month-old child with MDR-TB who was cured after a 24-month therapy regimen was presented. Physical examination of a 17-month-old girl admitted to the hospital with the cause of recurrent pneumonia revealed a rubbery lymphadenopathy less than 2 cm in the right upper cervical region...
January 2018: Mikrobiyoloji Bülteni
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