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Clinical Endocrinology

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https://www.readbyqxmd.com/read/29338092/delayed-initial-radioiodine-therapy-related-to-incomplete-response-in-low-to-intermediate-risk-differentiated-thyroid-cancer
#1
Hui Li, Ying-Qiang Zhang, Chen Wang, Xin Zhang, Xin Li, Yan-Song Lin
Whether the initiating time of radioiodine (RAI) therapy will affect the clinical outcome in differentiated thyroid cancer (DTC) remains controversial. The objective of this study was to evaluate the impact of RAI therapy initiating time on response to initial therapy in low- to intermediate-risk DTC METHODS: A total of 235 consecutive patients with low- to intermediate-risk DTC were retrospectively reviewed. According to the time interval between thyroidectomy and RAI therapy, patients were divided into Group 1 (interval < 3 months, n=187) and Group 2 (interval ≥ 3 months, n=48)...
January 16, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29325223/maternal-thyroid-hormone-insufficiency-during-pregnancy-and-risk-of-neurodevelopmental-disorders-in-offspring-a-systematic-review-and-meta-analysis
#2
William Thompson, Ginny Russell, Genevieve Baragwanath, Justin Matthews, Bijay Vaidya, Jo Thompson-Coon
BACKGROUND: In the last two decades, several studies have examined the association between maternal thyroid hormone insufficiency during pregnancy and neurodevelopmental disorders in children and shown conflicting results. AIM: This systematic review aimed to assess the evidence for an association between maternal thyroid hormone insufficiency during pregnancy and neurodevelopmental disorders in children. We also sought to assess whether levothyroxine treatment for maternal thyroid hormone insufficiency improves child neurodevelopment outcomes...
January 11, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29315709/successful-fertility-outcome-in-a-woman-with-17%C3%A9-hydroxylase-deficiency
#3
Henrik Falhammar
17ɑ-hydroxylase deficiency (17OHD) is a rare variant of congenital adrenal hyperplasia (CAH) due to mutations in the CYP17A1 gene.1, 2 This gene encodes an enzyme that expresses both 17α-hydroxylase and 17,20-lyase activities affecting both adrenal and gonadal sex steroid production.1 Due to the location of the enzyme in the steroidogenic pathway impairment results in elevated corticosterone, deoxycorticosterone and progesterone together with low levels of cortisol, 11-deoxycortisol, dehydroepiandrosterone sulphate (DHEAS) and 17-hydroxyprogesterone...
January 6, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29314170/pulsatility-of-glucocorticoid-hormones-in-pregnancy-changes-with-gestation-and-obesity
#4
Laura I Stirrat, Jamie J Walker, Ksenia Stryjakowska, Natalie Jones, Natalie Zm Homer, Ruth Andrew, Jane E Norman, Stafford L Lightman, Rebecca M Reynolds
OBJECTIVE: Hypothalamic-pituitary-adrenal-axis (HPA) activity is decreased in obese pregnancy and associates with increased fetal size. Pulsatile release of glucocorticoid hormones regulates their action in target tissues. Glucocorticoids are essential for normal fetal growth but little is known about glucocorticoid pulsatility in pregnancy. We aimed to investigate the ultradian rhythm of glucocorticoid secretion during obese and lean pregnancy and non-pregnancy. DESIGN: Serum cortisol, cortisone, corticosterone and 11-dehydrocorticosterone were measured by LC-MS/MS from samples obtained at 10-minute intervals between 08...
January 5, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29314108/high-dose-biotin-in-infants-mimics-biochemical-hyperthyroidism-with-some-commercial-assays
#5
Ved Bhushan Arya, Michal Ajzensztejn, Gayle Appleby, Sue Oddy, David Halsall, Krishna Chatterjee, Carla Moran, Tony Hulse
Biotin is a water-soluble B-complex vitamin, which is an essential coenzyme for four carboxylases enzymes involved in intermediary metabolism. Although the recommended daily intake (RDI) is 30 micrograms, doses as high as 100 times the RDI are widely used for dietary supplementation, therapy of several inherited metabolic diseases (biotin-thiamine responsive basal ganglia disease and biotinidase deficiency) and supportive treatment in patients with disorders of mitochondrial energy metabolism. This article is protected by copyright...
January 5, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29314138/ovarian-markers-and-irregular-menses-among-women-with-type-1-diabetes-in-the-epidemiology-of-diabetes-interventions-and-complications-study
#6
C Kim, R S Miller, B H Braffett, Y Pan, V L Arends, A K Saenger, A Barnie, A V Sarma
OBJECTIVE: Women with type 1 diabetes have increased risk of infertility compared to women without diabetes even after adjustment for irregular menses, but etiologies are incompletely understood. Our aim was to examine the prevalence of abnormalities in ovarian markers consistent with polycystic ovary syndrome in women with type 1 diabetes and associations with irregular menses and diabetes-specific variables. DESIGN, PATIENTS, AND MEASUREMENTS: We conducted a secondary analysis of women in the Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications Study (DCCT/EDIC), a randomized trial and observational follow-up of intensive insulin therapy for type 1 diabetes...
January 4, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29292527/preoperative-risk-factors-for-hemodynamic-instability-during-pheochromocytoma-surgery-in-chinese-patients
#7
Minchun Jiang, Huanyu Ding, Ying Liang, Juying Tang, Ying Lin, Kexu Xiang, Ying Guo, Shaoling Zhang
OBJECTIVE: Pheochromocytoma surgery carries a high risk of hemodynamic instability (HI). However, there are few studies investigating the risk factors of HI for pheochromocytoma surgery in a Chinese population. Therefore, our objective was to identify preoperative risk factors for HI during surgery in a Chinese population with pheochromocytoma. PATIENTS AND METHODS: In this retrospective study, 134 patients undergoing surgery for pheochromocytoma at a single university-affiliated hospital between November 2002 and July 2017 were enrolled...
January 2, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29292526/meal-related-oscillations-in-the-serum-serotonin-levels-in-healthy-young-men
#8
Obin Kwon, Ji Hee Yu, Eunheui Jeong, Hyun Ju Yoo, Min-Seon Kim
CONTEXT: Serotonin acts as a neurotransmitter in the central and enteric nervous systems, modulating psychological, metabolic, and gastrointestinal functions. Serotonin is also found in the serum or plasma, indicating its potential role as a hormone. OBJECTIVE: We aimed to assess the 24-hour diurnal profile of serum serotonin in relation to meal ingestion in healthy adult men. METHODS: Ten healthy (5 lean and 5 obese) male subjects were enrolled in this study...
January 2, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29288564/luteinizing-hormone-and-insulin-resistance-in-menopausal-patients-with-adrenal-incidentalomas-the-cause-effect-relationship
#9
Ljiljana V Marina, Miomira Ivović, Milina Tančić-Gajić, Zorana Arizanović, Dragana Raković, Jelena Milin-Lazović, Aleksandra Kendereški, Dragan Micić, Svetlana Vujović
OBJECTIVE: A high prevalence of insulin resistance (IR) has proven to manifest in patients with adrenal incidentalomas (AI). It has been demonstrated that an increase in IR is related to the size of tumourous masses; additionally, luteinizing hormone (LH) dependent adrenal pathologies are well documented in patients with LH responsive adrenal tumours occurring under conditions of physiologically elevated LH. We hypothesized that an association between LH and insulin might play a role in adrenal tumourigenesis and steroidogenesis...
December 30, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29288501/optimal-iodine-supplementation-during-anti-thyroid-drug-therapy-for-graves-disease-is-associated-with-lower-recurrence-rates-than-iodine-restriction
#10
Huibin Huang, Yaxiong Shi, Bo Liang, Huiyao Cai, Qingyan Cai, Ruhai Lin
OBJECTIVE: A relationship between iodine intake and the effectiveness of anti-thyroid drug (ATD) therapy for Graves' disease (GD) has been suggested and strict restriction of iodine intake has been tried in the treatment of GD in some studies. However, it is unclear whether dietary iodine supplementation improves the prognosis of ATD therapy for GD. This study aimed to clarify whether optimal iodine supplementation during anti-thyroid drug therapy for GD is associated with lower recurrence rates than iodine restriction...
December 29, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29285778/in-women-with-pcos-waist-circumference-is-a-better-surrogate-of-glucose-and-lipid-metabolism-than-disease-status-per-se
#11
A Pazderska, T Kyaw Tun, N Phelan, A McGowan, M Sherlock, L A Behan, G Boran, J Gibney
OBJECTIVE: Cardiometabolic abnormalities are recognised in polycystic ovary syndrome (PCOS). However, over-emphasis on PCOS as a risk factor potentially results in over-investigation and treatment of some women with, and under-recognition of cardiometabolic risk in obese women without PCOS. Our objective was to explore the association between waist circumference (WC) and indices of glucose and lipid metabolism in women with and without PCOS. DESIGN, PATIENTS AND MEASUREMENTS: (1) an exploratory cross-sectional study investigating association of potential cardiometabolic risk markers (PCOS status, anthropometric measures, hsCRP, HOMA-IR, SHBG, testosterone) with indices of glucose (frequently-sampled-intravenous-glucose-tolerance-test) and lipid metabolism (post-prandial studies and lipoprotein particle size) in 61 women with (n=29) and without (n=32) PCOS; (2) a cross-sectional study in 103 PCOS women and 102 BMI-matched controls to explore if between-group differences in indices of lipid and glucose metabolism persist after adjusting for WC...
December 29, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29280189/adiponectin-concentration-data-improve-the-estimation-of-atherosclerotic-risk-in-normal-and-in-overweight-subjects
#12
Adriana Bertolami, José C de Lima-Júnior, Riobaldo M Cintra, Luiz S Carvalho, Carolina de C Gonzaga, Martha L Sulzbach, Ana C G P Petisco, José E M Barbosa, André A Faludi, Jorge Plutzky, Marcelo C Bertolami, Andrei C Sposito
BACKGROUND: The combinations of adipokines and body mass parameters to estimate carotid atherosclerotic disease have not been completely delineated. OBJECTIVE: To test the combinations of well-established, easily accessible body mass indices and circulating biomarkers to identify increased carotid intima-media thickness (cIMT) in a primary prevention setting. DESIGN AND PATIENTS: In a cross-sectional analysis of 339 asymptomatic individuals with no history of cardiovascular events, inflammatory and insulin sensitivity biomarkers as well as adipokine levels were measured and combined with body mass parameters to evaluate the best marker for increased cIMT...
December 27, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29266367/clinical-features-and-autoimmune-associations-in-patients-presenting-with-idiopathic-isolated-acth-deficiency
#13
Anne Marie Hannon, Steven Hunter, Diarmuid Smith, Mark Sherlock, Domhnall O'Halloran, Christopher Thompson
OBJECTIVE: Idiopathic Isolated ATCH deficiency (IIAD) is a rare cause of secondary adrenal insufficiency. As the condition is rare, and the diagnostic criteria ill-defined, there are few good clinical descriptions in the literature. We have described presenting features, autoimmune associations, natural history and responses to CRF, in a large case series of patients presenting with IIAD. DESIGN: This is a retrospective case note analysis with data derived from the recently commenced National Pituitary Database of Ireland...
December 21, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29266384/bethesda-thyroid-categories-and-family-history-of-thyroid-disease
#14
D Kust, J Staničić, N Mateša
OBJECTIVE: Thyroid cancer is the most common type of endocrine-related cancer worldwide. The aim of this article was to assess the relationship between thyroid diseases diagnosed by fine needle aspiration (FNA) and family history of thyroid disease. DESIGN: The study was conducted in a tertiary high-volume thyroid cancer center. FNA of a thyroid nodule detected on neck ultrasound for any reason was done in all included patients. PATIENTS: A total of 10709 patients were included into the study...
December 20, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29266368/effects-of-alendronate-and-alfacalcidol-on-bone-in-patients-with-myasthenia-gravis-initiating-glucocorticoids-treatment
#15
Fang Lv, Yuzhou Guan, Doudou Ma, Xiaojie Xu, Yuwen Song, Lujiao Li, Yan Jiang, Ou Wang, Weibo Xia, Xiaoping Xing, Mei Li
OBJECTIVE: Glucocorticoids (GCs) are the first-line treatment for myasthenia gravis (MG) and act as long-term immunosuppressants. However, GCs can induce osteoporosis and bone fractures. In this study, we evaluate the effects of oral alendronate and alfacalcidol, or alfacalcidol alone on the bone of Chinese patients with MG who will initiate treatment with GCs. DESIGN AND METHODS: A total of 75 patients were included in this 12-month prospective, open-label, single-center study...
December 20, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29265571/pathogenic-copy-number-variants-in-patients-with-congenital-hypopituitarism-associated-with-complex-phenotypes
#16
Fernanda A Correa, Alexander A L Jorge, Marilena Nakaguma, Ana P M Canton, Silvia S Costa, Mariana F Funari, Antonio M Lerario, Marcela M Franca, Luciani R Carvalho, Ana C V Krepischi, Ivo J P Arnhold, Carla Rosenberg, Berenice B Mendonca
OBJECTIVE: The aetiology of congenital hypopituitarism (CH) is unknown in most patients. Rare copy number variants (CNVs) have been implicated as the cause of genetic syndromes with previously unknown aetiology. Our aim was to study the presence of CNVs and their pathogenicity in patients with idiopathic CH associated with complex phenotypes. PATIENTS AND METHODS: We selected 39 patients with syndromic CH for array-based comparative genomic hybridization (aCGH)...
December 19, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29247457/progestin-primed-ovarian-stimulation-with-or-without-clomiphene-citrate-supplementation-in-normal-ovulatory-women-undergoing-in-vitro-fertilization-intracytoplasmic-sperm-injection-a-prospective-randomized-controlled-trial
#17
Yali Liu, Qiuju Chen, Sha Yu, Yun Wang, Wen He, Hannah Ya-Ning Chang, Bian Wang, Hongyuan Gao, Hui Long, Li Wang, Qifeng Lyu, Ai Ai, Yanping Kuang
OBJECTIVE: To compare the endocrinological profiles, cycle characteristics and pregnancy outcomes of progestin-primed ovarian stimulation (PPOS) with or without clomiphene citrate (CC) supplementation in normal ovulatory women undergoing in vitro fertilization (IVF)/intracytoplasmic sperm injection (ICSI). DESIGN: Prospective randomized controlled study. PATIENT(S): A total of 320 infertile women undergoing IVF/ICSI. Medroxyprogesterone acetate (MPA) and human menopausal gonadotropin (hMG) were simultaneously administered on menstrual cycle day 3...
December 16, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29245176/high-risk-of-hypogonadism-in-young-male-cancer-survivors
#18
S Isaksson, K Bogefors, O Ståhl, J Eberhard, Y Lundberg Giwercman, I Leijonhufvud, K Link, I Øra, P Romerius, J Bobjer, A Giwercman
OBJECTIVE: Cancer and its treatment in childhood and young adulthood can cause hypogonadism, leading to increased risk of long term morbidity and mortality. The aim of this study was to evaluate the risk of presenting with biochemical signs of hypogonadism in testicular cancer survivors (TCS) and male childhood cancer survivors (CCS) in relation to the type of treatment given. DESIGN: Case-control study. PATIENTS: Ninety-two TCS, 125 CCS (mean age 40 and median age 34 years, respectively; mean follow-up time 9...
December 15, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29235134/sex-hormone-binding-globulin-is-associated-with-androgen-deficiency-features-independently-of-total-testosterone
#19
Giulia Rastrelli, Giovanni Corona, Sarah Cipriani, Edoardo Mannucci, Mario Maggi
OBJECTIVE: It is recognized that total testosterone (TT) does not sufficiently describe androgen status when sex hormone binding globulin (SHBG) is altered. However, in humans, evidence supporting the existence of a hypogonadism due to low T bioactivity is scanty. The aim of the study was to assess whether changes in SHBG levels, independently of TT, are associated with subjective and objective androgen dependent parameters. DESIGN: Cross-sectional observation. PATIENTS: 2622 men (aged 51...
December 13, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29235126/relationships-of-serum-25-hydroxyvitamin-d-ionized-calcium-and-parathyroid-hormone-after-obesity-surgery
#20
Stephen Hewitt, Erlend Tuseth Aasheim, Torgeir Thorson Søvik, Jørgen Jahnsen, Jon Kristinsson, Erik Fink Eriksen, Tom Mala
OBJECTIVE: The high prevalence of secondary hyperparathyroidism (SHPT) after obesity surgery is a concern for long-term bone health. Limited knowledge exists about optimal vitamin D and suppression of parathyroid hormone (PTH) after these procedures. The aim of this study was to investigate the prevalence of SHPT and its relation to vitamin D status. DESIGN: A cross-sectional study at Oslo University Hospital, Norway. PATIENTS: A total of 502 consecutive patients, age 22-64 years, attending 2-year follow-up after Roux-en-Y gastric bypass...
December 13, 2017: Clinical Endocrinology
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