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https://www.readbyqxmd.com/read/28212266/individual-patterns-in-blood-borne-indicators-of-fatigue-trait-or-chance
#1
Ross Julian, Tim Meyer, Hugh H K Fullagar, Sabrina Skorski, Mark Pfeiffer, Michael Kellmann, Alexander Ferrauti, Anne Hecksteden
Julian, R, Meyer, T, Fullagar, HHK, Skorski, S, Pfeiffer, M, Kellmann, M, Ferrauti, A, and Hecksteden, A. Individual patterns in blood-borne indicators of fatigue-trait or chance. J Strength Cond Res 31(3): 608-619, 2017-Blood-borne markers of fatigue such as creatine kinase (CK) and urea (U) are widely used to fine-tune training recommendations. However, predictive accuracy is low. A possible explanation for this dissatisfactory characteristic is the propensity of athletes to react to different patterns of fatigue indicators (e...
March 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28208875/erectile-dysfunction-and-low-sex-drive-in-men-with-type-2-dm-the-potential-role-of-diabetic-pharmacotherapy
#2
Hayder M Al-Kuraishy, Ali I Al-Gareeb
INTRODUCTION: Diabetic men with erectile dysfunction have not been widely studied. They have low testosterone levels, causing low sex drive and erectile dysfunction. AIM: To assess the erectile dysfunction and sex drive in relation to testosterone serum levels in type 2 Diabetes Mellitus (DM) patients. MATERIALS AND METHODS: A total of 64 patients with type 2 DM were enrolled in this cross-sectional study, according to the treatment types they were divided into three groups, group (A): 34 patients treated with metformin, group (B): 30 patients treated with sulfonylurea and group (C): 27 healthy normal non-diabetic men are taken as control...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28189029/disruption-of-thyroxine-and-sex-hormones-by-1-2-dibromo-4-1-2-dibromoethyl-cyclohexane-dbe-dbch-in-american-kestrels-falco-sparverius-and-associations-with-reproductive-and-behavioral-changes
#3
Sarah C Marteinson, Vince Palace, Robert J Letcher, Kim J Fernie
1,2-dibromo-4-(1,2-dibromoethyl)cyclohexane (DBE-DBCH - formerly TBECH) is an emerging brominated flame retardant (BFR) pollutant with androgen potentiating ability and other endocrine disrupting effects in birds and fish. The objectives of this study were to determine the effects of exposure to environmentally-relevant levels of DBE-DBCH on circulating levels of thyroid and sex steroid hormones in American kestrels, and if hormonal concentrations were related to previously reported changes in reproductive success and courtship behaviors...
February 8, 2017: Environmental Research
https://www.readbyqxmd.com/read/28121800/effects-of-hit-on-physiological-and-hormonal-adaptions-in-well-trained-cyclists
#4
Øystein Sylta, Espen Tønnessen, Øyvind Sandbakk, Daniel Hammarström, Jørgen Danielsen, Knut Skovereng, Bent R Rønnestad, Stephen Seiler
PURPOSE: Investigate development of specific performance adaptions and hormonal responses every 4 week during a 12-week HIT period in groups with different interval-training prescriptions. METHODS: Sixty-three well-trained cyclists performing a 12-week intervention consisting of 2-3 HIT sessionsweek in addition to ad libitum low intensity training. Groups were matched for total training load, but increasing HIT (INC) group (n=23) performed interval-sessions as 4x16 min in week 1-4, 4x8 min in week 5-8 and 4x4 min in week 9-12...
January 23, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28117267/androgens-and-psychosocial-factors-related-to-sexual-dysfunctions-in-premenopausal-women
#5
Sarah Wåhlin-Jacobsen, Ellids Kristensen, Anette Tønnes Pedersen, Nanna Cassandra Laessøe, Arieh S Cohen, David M Hougaard, Marika Lundqvist, Annamaria Giraldi
INTRODUCTION: The female sexual response is complex and influenced by several biological, psychological, and social factors. Testosterone is believed to modulate a woman's sexual response and desire, because low levels are considered a risk factor for impaired sexual function, but previous studies have been inconclusive. AIM: To investigate how androgen levels and psychosocial factors are associated with female sexual dysfunction (FSD), including hypoactive sexual desire disorder (HSDD)...
January 20, 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28079402/sexual-dysfunction-in-premenopausal-women-could-be-related-to-hormonal-profile
#6
Fabiene Bernardes Castro Vale, Bruna Barbosa Coimbra, Gerson Pereira Lopes, Selmo Geber
Female sexual dysfunction (FSD) is a public health problem that affects women's quality of life. Although the relationship between some hormones and the FSD has been described, it is not well established for all hormones. Therefore, the aim of our study was to evaluate the association between hormonal dysfunction and sexual dysfunction in premenopausal women. We performed a cross-sectional study with 60 patients with regular menstrual cycles, with age ranging from 18 to 44 years, with previous diagnosis of FSD...
February 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28073130/testosterone-plasma-concentration-is-associated-with-insulin-resistance-in-male-hypertensive-patients
#7
Gian Piero Carnevale Schianca, Gian Paolo Fra, Fabio Brustia, Mattia Bellan, Alice Pirovano, Alessandro Gualerzi, Michela Gentile, Antonello Gibbin, Mirta Menegatti, Ettore Bartoli, Mario Pirisi
Background: Low testosterone levels are a common finding among men with Type 2 Diabetes Mellitus (T2DM) and are inversely related to insulin resistance. Whether this relationship holds true in patients with hypertension, but normal glucose tolerance or prediabetes, is unclear. Methods: We recruited 87 male outpatients with essential arterial hypertension, aged 35-70 years. Anthropometric data were collected, an Oral Glucose Tolerance Test (OGTT) performed, and the homeostasis model assessment of insulin resistance (HOMA-IR) score calculated...
January 10, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28073108/salivary-testosterone-during-the-minipuberty-of-infancy%C3%A2
#8
Maria Contreras, Manish Raisingani, Donald Walt Chandler, William D Curtin, Julia Barillas, Preneet Cheema Brar, Kris Prasad, Bina Shah, Raphael David
BACKGROUND: The hypothalamic-pituitary-gonadal axis is transiently activated during the postnatal months in boys, a phenomenon termed "minipuberty" of infancy, when serum testosterone (T) increases to pubertal levels. Despite high circulating T there are no signs of virilization. We hypothesize that free T as measured in saliva is low, which would explain the absence of virilization. METHODS: We measured serum total T and free T in saliva using liquid chromatography-tandem mass spectrometry (LC-MS/MS) in 30 infant boys, aged 1-6 months, and in 12 adolescents, aged 11-17 years...
January 10, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28058854/effect-of-metformin-on-clinical-metabolic-and-endocrine-outcomes-in-women-with-polycystic-ovary-syndrome-a-meta-analysis-of-randomized-controlled-trial
#9
Roshni Patel, Gaurang Shah
OBJECTIVE: Metformin has been used as a treatment option for polycystic ovary syndrome (PCOS) since 1994; however, more than a hundred randomized clinical trials have reported controversial results regarding the efficacy of metformin in PCOS. This could be due to the small sample size and high variability in methodology between studies. The objective of the present meta-analysis was to determine the effect of metformin on clinical, metabolic, endocrine outcomes as compared to placebo in PCOS women...
January 6, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28056433/pelvic-organ-prolapse-and-endogenous-circulating-sex-steroids-in-postmenopausal-women-a-case-control-study
#10
Barbara Bodner-Adler, Klaus Bodner, Cora Schneidinger, Oliver Kimberger, Ksenia Halpern, Heinz Koelbl, Wolfgang Umek
OBJECTIVE: We compared sex steroid levels of postmenopausal patients with symptomatic pelvic organ prolapse (POP) with postmenopausal matched patients without any sign of POP. Furthermore, we evaluated a possible relationship between sex steroid levels and various urogynecologic parameters in cases with POP. Main outcome of interest were differences in circulating estradiol levels between the two groups. STUDY DESIGN: We conducted a case-control study and 46 postmenopausal women with symptomatic POP≥stage 2 were matched 1:1 with 46 urogynecologic healthy women...
December 26, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28041602/serum-vitamin-d-and-sex-hormones-levels-in-men-and-women-the-multi-ethnic-study-of-atherosclerosis-mesa
#11
Di Zhao, Pamela Ouyang, Ian H de Boer, Pamela L Lutsey, Youssef M K Farag, Eliseo Guallar, David S Siscovick, Wendy S Post, Rita R Kalyani, Kevin L Billups, Erin D Michos
INTRODUCTION: 25-hydroxyvitamin D [25(OH)D] deficiency has been associated with low testosterone levels in men, but there are conflicting reports of its associations with sex hormones in women. Less is known about whether these associations are independent of adiposity and lifestyle factors, and whether they differ by race/ethnicity. AIM: To examine associations of 25(OH)D concentrations with sex hormone levels. METHODS: Cross-sectional analysis of 3017 men and 2929 women in a multi-ethnic cohort...
February 2017: Maturitas
https://www.readbyqxmd.com/read/28038719/testosterone-as-a-marker-of-coronary-artery-disease-severity-in-middle-aged-males
#12
Kunal Gururani, John Jose, Paul V George
Historically, higher levels of serum testosterone were presumed deleterious to the cardiovascular system. In the last two decades, studies have suggested that low testosterone levels are associated with increased prevalence of risk factors for cardiovascular disease (CVD), including dyslipidemia and diabetes. This is a cross sectional study. The aim of our study was to determine the relationship between serum testosterone levels and angiographic severity of coronary artery disease (CAD). Serum testosterone levels were also correlated with flow mediated dilation of brachial artery (BAFMD) - an indicator of endothelial function...
December 2016: Indian Heart Journal
https://www.readbyqxmd.com/read/28008755/an-exploratory-analysis-of-the-association-between-levels-of-hormones-implied-in-steroid-biosynthesis-and-activity-of-abiraterone-in-patients-with-metastatic-castration-resistant-prostate-cancer
#13
Valentina Bertaglia, Marcello Tucci, Francesca Vignani, Consuelo Buttigliero, Emiliano Aroasio, Alfredo Berruti, Giorgio V Scagliotti, Massimo DI Maio
BACKGROUND: Abiraterone acetate, approved for patients with metastatic castration-resistant prostate cancer (mCRPC), blocks androgen byosinthesis. We aimed to describe changes determined by abiraterone in hormones implied in steroid biosynthesis, exploring association between hormonal levels and drug activity. METHODS: Patients with mCRPC, receiving standard abiraterone + prednisone after docetaxel failure, were studied. We determined serum levels of progesterone, 17OH-progesterone, cortisol, ACTH, DHEA-sulphate, androstenedione, testosterone, sex hormone-binding globulin, aldosterone, plasma renin activity, and cholesterol, baseline and every 12 weeks...
December 22, 2016: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/28000180/reduction-of-calprotectin-and-phosphate-during-testosterone-therapy-in-aging-men-a-randomized-controlled-trial
#14
L Pedersen, L L Christensen, S M Pedersen, M Andersen
OBJECTIVES: To investigate the effect of testosterone treatment on biomarkers calprotectin, fibroblast growth factor 23 (FGF23), soluble Klotho, phosphate, calcium, parathyroid hormone, creatinine and estimated glomerular filtration rate. DESIGN: Randomized, double-blinded, placebo-controlled study. SETTING: Odense Androgen Study-the effect of Testim and training in hypogonadal men. PARTICIPANTS: Men aged 60-78 years old with a low normal concentration of free of bioavailable testosterone <7...
December 20, 2016: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/27999117/performance-of-mass-spectrometry-steroid-profiling-for-diagnosis-of-polycystic-ovary-syndrome
#15
D J Handelsman, H J Teede, R Desai, R J Norman, L J Moran
STUDY QUESTION: How well does multi-analyte steroid mass spectrometry (MS) profiling classify women with and without polycystic ovary syndrome (PCOS)? SUMMARY ANSWER: Our liquid chromatography MS (LC-MS) steroid profiling only minimally improves discrimination of women with and without PCOS compared with a direct testosterone immunoassay (T_IA) and the free androgen index (FAI). WHAT IS KNOWN ALREADY: Blood testosterone measured by direct (non-extraction) immunoassay overlaps between women with and without PCOS...
February 2017: Human Reproduction
https://www.readbyqxmd.com/read/27998231/hypothalamic-pituitary-axis-dysfunction-in-survivors-of-childhood-cns-tumors-importance-of-systematic-follow-up-and-early-endocrine-consultation
#16
Wassim Chemaitilly, Gregory T Armstrong, Amar Gajjar, Melissa M Hudson
The Oncology Grand Rounds series is designed to place original reports published in the Journal into clinical context. A case presentation is followed by a description of diagnostic and management challenges, a review of the relevant literature, and a summary of the authors' suggested management approaches. The goal of this series is to help readers better understand how to apply the results of key studies, including those published in Journal of Clinical Oncology, to patients seen in their own clinical practice...
December 20, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27941768/androgens-in-women-after-allogeneic-hematopoietic-cell-transplantation-impact-of-chronic-gvhd-and-glucocorticoid-therapy
#17
Y Björk, E Smith Knutsson, C Ankarberg-Lindgren, A-K Broman, I Andersson, L Björkman, J Magnusson, K Bergmark, H Anderson, P-O Andersson, M Brune
Low androgen levels may contribute to sexual dysfunction in women after allogeneic hematopoietic cell transplantation (alloHCT). However, data on serum androgens in women after alloHCT are limited. The aim of this study was to assess androgen levels and their association with chronic GvHD (cGvHD) and glucocorticoid (GC) therapy. Included were 65 allografted women, 33 with cGvHD, and 23 of these were on GC therapy. Controls were 94 healthy, age-matched women. Supportive study groups were women after autologous HCT (autoHCT; n=20) and non-transplanted women on GC therapy (n=26)...
December 12, 2016: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/27933387/effect-of-vitamin-d-on-biochemical-parameters-in-polycystic-ovary-syndrome-women-a-meta-analysis
#18
Yunping Xue, Pengfei Xu, Kai Xue, Xiaoyi Duan, Jian Cao, Ting Luan, Qian Li, Lin Gu
AIM: To investigate the therapeutical effect of vitamin D supplementation on the metabolism and endocrine parameters of PCOS patients. MATERIALS AND METHODS: Clinical studies investigating the therapeutic effect of vitamin D supplementation on PCOS patients were selected by searching PubMed, Embase, The Cochrane library and Web of Science until April 2016. The included articles were selected according to the inclusion criteria. Serum HOMA-IR, QUICKI, LDL, DHEAS, free testosterone (FT), total testosterone (TT), PTH, 25-hydroxy-vitamin D, and triglyceride of PCOS patients were enrolled for evaluating the therapeutic effects of vitamin D...
December 9, 2016: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/27923166/a-comparative-systematic-review-of-yasmin-drospirenone-pill-versus-standard-treatment-options-for-symptoms-of-polycystic-ovary-syndrome
#19
REVIEW
Jing Li, Jing Ren, Wenxia Sun
OBJECTIVES: To systematically review the impact of Yasmin (drospirenone pill) compares with other standard treatments for symptoms of Polycystic Ovary Syndrome (PCOS). STUDY DESIGN: The relevant studies of the randomized controlled trials in women with PCOS treated with drospirenone were retrieved and the systematic evaluation was conducted. RESULTS: Eighteen articles were included. Compared with drospirenone (DRSP) monotherapy, DRSP plus metformin was better in reducing body mass index (BMI), luteinizing hormone (LH) and low-density lipoprotein cholesterol (LDL-C)...
November 16, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27919363/the-effects-of-statin-treatment-on-adrenal-and-sexual-function-and-nitric-oxide-levels-in-hypercholesterolemic-male-patients-treated-with-a-statin
#20
Osman Baspınar, Fahri Bayram, Selda Korkmaz, Murat Aksu, Derya Kocer, Oğuzhan Sıtkı Dizdar, Yasin Simsek, Peter P Toth
BACKGROUND: Erectile dysfunction complaints among men treated with a statin are not uncommon. OBJECTIVES: To evaluate the effect of lowering low-density lipoprotein cholesterol (LDL-C) to target levels using varying doses of atorvastatin therapy in hypercholesterolemic male patients on adrenocortical hormones, sexual functions, and serum nitric oxide (NO) levels. METHODS: Eleven hypercholesterolemic male patients who had LDL-C levels greater than 160 mg/dL were included in the study and 11 healthy male individuals served as controls...
November 2016: Journal of Clinical Lipidology
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