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Male hypogonadism

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https://www.readbyqxmd.com/read/28087298/the-utility-of-sex-hormone-binding-globulin-in-hypogonadism-and-infertile-males
#1
Joshua Ring, Charles Welliver, Mike Parenteau, Stephen Markwell, Robert E Brannigan, Tobias S Köhler
PURPOSE: We sought to determine what role SHBG played with male infertility patients. METHODS: Retrospective review of 168 males seen in a fertility clinic from 2012-2014, to investigate the accuracy of TT in the biochemical diagnosis of hypogonadism using cBT as the reference value. We used a multivariable analysis to assess SHBG as an independent predictor of infertility. RESULTS: Computations using cBT as a standard in the measurement of definitive biochemical hypogonadism (<156 ng/dL) revealed a sensitivity, specificity, PPV, and NPV respectively of 81%, 83%, 81%, and 82% in diagnosing hypogonadism with TT alone...
January 10, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28081535/efficacy-and-safety-of-continuous-subcutaneous-infusion-of-recombinant-human-gonadotropins-for-congenital-micropenis-during-early-infancy%C3%A2
#2
Athanasia Stoupa, Dinane Samara-Boustani, Isabelle Flechtner, Graziella Pinto, Isabelle Jourdon, Laura González-Briceño, Maud Bidet, Kathleen Laborde, Didier Chevenne, Anne-Elodie Millischer, Henri Lottmann, Thomas Blanc, Yves Aigrain, Michel Polak, Jacques Beltrand
BACKGROUND: Early postnatal administration of gonadotropins to infants with congenital hypogonadotropic hypogonadism (CHH) can mimic minipuberty, thereby increasing penile growth. We assessed the effects of gonadotropin infusion on stretched penile length (SPL) and hormone levels in infants with congenital micropenis. METHODS: Single-center study including 6 males with micropenis in case of isolated CHH (n = 4), panhypopituitarism (n = 1), and partial androgen insensitivity syndrome (PAIS; n = 1)...
January 12, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28081039/hiv-and-hypogonadism-a-new-challenge-for-young-aged-and-middle-aged-men-on-effective-antiretroviral-therapy
#3
Marie Lachâtre, Armelle Pasquet, Faïza Ajana, Benoit Soudan, Georges Lion, Laurence Bocket, Pauline Cornavin, Eric Senneville, Faroudy Boufassa, Antoine Chéret
Male hypogonadism is poorly defined in people living with HIV. Using a reliable free-testosterone assay, we examined the prevalence and risk factors of male hypogonadism among people living with HIV on effective antiretroviral therapy. Male hypogonadism was found in 12.4% of patients, twice the rate reported in the general population of the same age. Two risk thresholds, namely 5 years of antiretroviral therapy and 19% total body fat, may help to identify patients at risk.
January 28, 2017: AIDS
https://www.readbyqxmd.com/read/28067604/central-hypogonadism-due-to-a-giant-silent-fsh-secreting-atypical-pituitary-adenoma-effects-of-adenoma-dissection-and-short-term-leydig-cell-stimulation-by-luteinizing-hormone-lh-and-human-chorionic-gonadotropin-hcg
#4
Daniele Santi, Giorgia Spaggiari, Livio Casarini, Flaminia Fanelli, Marco Mezzullo, Uberto Pagotto, Antonio R M Granata, Cesare Carani, Manuela Simoni
We present a case report of an atypical giant pituitary adenoma secreting follicle-stimulating hormone (FSH). A 55-year-old patient presented for erectile dysfunction, loss of libido and fatigue. The biochemical evaluation showed very high FSH serum levels in the presence of central hypogonadism. Neither testicular enlargement nor increased sperm count was observed, thus a secretion of FSH with reduced biological activity was supposed. The histological examination after neuro-surgery showed an atypical pituitary adenoma with FSH-positive cells...
January 9, 2017: Aging Male: the Official Journal of the International Society for the Study of the Aging Male
https://www.readbyqxmd.com/read/28055140/eif2s3-mutations-associated-with-severe-x-linked-intellectual-disability-syndrome-mehmo
#5
Martina Skopkova, Friederike Hennig, Byung-Sik Shin, Clesson E Turner, Daniela Stanikova, Katarina Brennerova, Juraj Stanik, Ute Fischer, Lyndal Henden, Ulrich Müller, Daniela Steinberger, Esther Leshinsky-Silver, Armand Bottani, Timea Kurdiova, Jozef Ukropec, Olga Nyitrayova, Miriam Kolnikova, Iwar Klimes, Guntram Borck, Melanie Bahlo, Stefan A Haas, Joo-Ran Kim, Leda E Lotspeich-Cole, Daniela Gasperikova, Thomas E Dever, Vera M Kalscheuer
Impairment of translation initiation and its regulation within the integrated stress response (ISR) and related unfolded-protein response has been identified as a cause of several multi-systemic syndromes. Here we link MEHMO syndrome, whose genetic etiology was unknown, to this group of disorders. MEHMO is a rare X-linked syndrome characterized by profound intellectual disability, epilepsy, hypogonadism, and hypogenitalism, microcephaly, and obesity. We have identified a C-terminal frameshift mutation (Ile465Serfs) in the EIF2S3 gene in three families with MEHMO syndrome and a novel maternally inherited missense EIF2S3 variant (c...
January 5, 2017: Human Mutation
https://www.readbyqxmd.com/read/28053949/effect-of-testosterone-replacement-therapy-on-cognitive-performance-and-depression-in-men-with-testosterone-deficiency-syndrome
#6
Hyun Jin Jung, Hong Seok Shin
PURPOSE: We aimed to evaluate the effect of testosterone replacement therapy (TRT) on cognitive function and depression in men with testosterone deficiency syndrome. MATERIALS AND METHODS: We carried out a prospective, placebo-controlled trial involving 106 men with total testosterone levels <3.3 ng/mL and symptoms of hypogonadism. Based on whether the patients received TRT (injection with 1,000 mg testosterone undecanoate) or a placebo (advice to modify lifestyle), the study population was divided into a TRT group (n=54) and a control group (n=52)...
December 2016: World Journal of Men's Health
https://www.readbyqxmd.com/read/28051040/pulsatile-gonadotropin-releasing-hormone-therapy-is-associated-with-earlier-spermatogenesis-compared-to-combined-gonadotropin-therapy-in-patients-with-congenital-hypogonadotropic-hypogonadism
#7
Jiang-Feng Mao, Zhao-Xiang Liu, Min Nie, Xi Wang, Hong-Li Xu, Bing-Kun Huang, Jun-Jie Zheng, Le Min, Ursula Brigitte Kaiser, Xue-Yan Wu
Both pulsatile gonadotropin-releasing hormone (GnRH) infusion and combined gonadotropin therapy (human chorionic gonadotropin and human menopausal gonadotropin [HCG/HMG]) are effective to induce spermatogenesis in male patients with congenital hypogonadotropic hypogonadism (CHH). However, evidence is lacking as to which treatment strategy is better. This retrospective cohort study included 202 patients with CHH: twenty had received pulsatile GnRH and 182 had received HCG/HMG. Patients had received therapy for at least 12 months...
December 27, 2016: Asian Journal of Andrology
https://www.readbyqxmd.com/read/28024968/assessing-the-variability-in-insurance-coverage-transparency-for-male-sexual-health-conditions-in-the-united-states
#8
Brian V Le, Sarah McAchran, David Paolone, Daniel R Gralneck, Daniel Williams, Wade Bushman
OBJECTIVES: To determine the degree of transparency of health insurer policies regarding coverage of male sexual health conditions, we examined the publicly available policy coverage documents of the largest US medical insurance plans. METHODS: We selected two index patients across the male sexual health spectrum: (1) a PDE5 refractory erectile dysfunction patient requiring intracavernosal injection therapy or penile prosthesis, (2) a 50 yo male patient with laboratory-confirmed, symptomatic hypogonadism requiring testosterone replacement therapy as defined by endocrine society criteria...
December 23, 2016: Urology
https://www.readbyqxmd.com/read/28017657/direct-reprogramming-of-mouse-fibroblasts-toward-leydig-like-cells-by-defined-factors
#9
Yan Yang, Ziyi Li, Xupeng Wu, Haolin Chen, Wenting Xu, Qi Xiang, Qihao Zhang, Jie Chen, Ren-Shan Ge, Zhijian Su, Yadong Huang
Leydig cells (LCs) play crucial roles in producing testosterone, and their dysfunction leads to male hypogonadism. LC transplantation is a promising alternative therapy for male hypogonadism. However, the source of LCs limits this strategy for clinical applications. Here, we report our success in reprogramming mice fibroblasts into LCs by expressing three transcriptional factors, Dmrt1, Gata4, and Nr5a1. The induced Leydig-like cells (iLCs) expressed steroidogenic genes, had a global gene expression profile similar to that of adult LCs, and acquired androgen synthesis capabilities...
January 10, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28008293/hormonal-and-echocardiographic-abnormalities-in-adult-patients-with-sickle-cell-anemia-in-bahrain
#10
Taysir S Garadah, Ahmed A Jaradat, Mohammed E Alalawi, Adla B Hassan
BACKGROUND: Adrenal, thyroid, and parathyroid gland hormonal changes are recognized in children with homozygous (HbSS) sickle-cell anemia (SCA), but are not clear in adult patients with SCA. AIM: To assess the metabolic and endocrine abnormalities in adult patients with SCA and evaluate left ventricular (LV) systolic and diastolic functions compared with patients with no SCA and further study the relationship between serum levels of cortisol, free thyroxine (T4), and testosterone with serum ferritin...
2016: Journal of Blood Medicine
https://www.readbyqxmd.com/read/28005140/-abdominal-pain-and-hypertension-in-a-55-year-old-male-patient
#11
T Kofler, F Yueksel, S Dirnhofer, M Y Donath, M Trendelenburg
A 55-year-old male patient under permanent testosterone therapy for hypogonadism presented with abdominal pain and increased blood pressure values. In the physical examination a plethora was noted and laboratory examinations revealed polyglobulia. In the subsequent diagnostic process polycythemia vera and cancer could be excluded as the cause. A secondary polyglobulia due to testosterone substitution was diagnosed. Unphysiologically high testosterone levels represent a rare cause of secondary polyglobulia and with an appropriate medical history should be taken into account at an early stage...
December 22, 2016: Der Internist
https://www.readbyqxmd.com/read/27997352/transdermal-testosterone-gel-for-induction-and-continuation-of-puberty-in-adolescent-boys-with-hepatic-dysfunction
#12
Maria F Contreras, Manish Raisingani, Kris Prasad, Bonita Franklin, Bina Shah
Treatment to induce puberty in boys is indicated in those who do not undergo spontaneous development at a normal age. Stimulating development of the secondary sex characteristics is possible using gradually increasing doses of testosterone esters (TEs) via intramuscular (IM) administration, which is the most widely used method of testosterone (T) supplementation. When TEs are administered as monthly injection, serum T levels exhibit large fluctuations with supraphysiologic levels seen immediately after the injection followed by a decrease into the low range...
January 1, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/27995426/who-gets-testosterone-patient-characteristics-associated-with-testosterone-prescribing-in-the-veteran-affairs-system-a-cross-sectional-study
#13
Guneet K Jasuja, Shalender Bhasin, Joel I Reisman, Joseph T Hanlon, Donald R Miller, Anthony P Morreale, Leonard M Pogach, Francesca E Cunningham, Angela Park, Dan R Berlowitz, Adam J Rose
BACKGROUND: There has been concern about the growing off-label use of testosterone. Understanding the context within which testosterone is prescribed may contribute to interventions to improve prescribing. OBJECTIVE: To evaluate patient characteristics associated with receipt of testosterone. DESIGN: Cross-sectional. SETTING: A national cohort of male patients, who had received at least one outpatient prescription within the Veterans Affairs (VA) system during Fiscal Year 2008- Fiscal Year 2012...
December 19, 2016: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/27994055/smad3-regulates-follicle-stimulating-hormone-synthesis-by-pituitary-gonadotrope-cells-in-vivo
#14
Yining Li, Gauthier Schang, Ulrich Boehm, Chu-Xia Deng, Jonathan Graff, Daniel J Bernard
Pituitary follicle-stimulating hormone (FSH) is an essential regulator of fertility in females and of quantitatively normal spermatogenesis in males. Pituitary-derived activins are thought to act as major stimulators of FSH synthesis by gonadotrope cells. In vitro, activins signal via SMAD3, SMAD4, and forkhead box L2 (FOXL2) to regulate transcription of the FSHβ subunit gene (Fshb). Consistent with this model, gonadotrope-specific Smad4 or Foxl2 knockout mice have greatly reduced FSH and are subfertile. SMAD3's role in vivo is unresolved; however, residual FSH production in Smad4 conditional knockout mice may derive from partial compensation by SMAD3 and its ability to bind DNA in the absence of SMAD4...
December 19, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27988267/poor-sleep-quality-predicts-hypogonadal-symptoms-and-sexual-dysfunction-in-male-nonstandard-shift-workers
#15
Alexander W Pastuszak, Young M Moon, Jason Scovell, Justin Badal, Dolores J Lamb, Richard E Link, Larry I Lipshultz
OBJECTIVE: To investigate the impact of sleep quality in hypogonadal symptoms and sexual function in men working nonstandard shifts. MATERIALS AND METHODS: Men treated at a single andrology clinic between July and October 2014 completed questionnaires assessing sleep quality, hypogonadal symptoms (Androgen Deficiency in the Aging Male [ADAM/qADAM]), and sexual function (International Index of Erectile Function [IIEF]). Serum hormone levels were assessed at the time of survey completion...
December 14, 2016: Urology
https://www.readbyqxmd.com/read/27982202/a-boy-with-prader-willi-syndrome-unmasking-precocious-puberty-during-growth-hormone-replacement-therapy
#16
Natasha G Ludwig, Rafael F Radaeli, Mariana M X Silva, Camila M Romero, Alexandre J F Carrilho, Danielle Bessa, Delanie B Macedo, Maria L Oliveira, Ana Claudia Latronico, Tânia L Mazzuco
Prader-Willi syndrome (PWS) is a genetic disorder frequently characterized by obesity, growth hormone deficiency, genital abnormalities, and hypogonadotropic hypogonadism. Incomplete or delayed pubertal development as well as premature adrenarche are usually found in PWS, whereas central precocious puberty (CPP) is very rare. This study aimed to report the clinical and biochemical follow-up of a PWS boy with CPP and to discuss the management of pubertal growth. By the age of 6, he had obesity, short stature, and many clinical criteria of PWS diagnosis, which was confirmed by DNA methylation test...
November 2016: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27941181/hypogonadotropic-hypogonadism-in-a-female-patient-with-congenital-arhinia
#17
Janel Darcy Hunter, Melissa Ann Davis, Jennifer Rachel Law
The association of anosmia and congenital hypogonadotropic hypogonadism (CHH) is well described; however, congenital arhinia is a malformation associated with CHH that occurs much more rarely. There have been three reports of male patients with hypogonadism and congenital arhinia in the literature to date. We present the first case of arhinia associated with CHH in a female patient. A 14 years and 8 months female with congenital arhinia presented with delayed puberty. Physical examination and laboratory evaluation were consistent with hypogonadotropic hypogonadism...
January 1, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/27923967/multi-institutional-survey-of-medical-treatment-for-late-onset-hypogonadism-in-japan
#18
Hisanori Taniguchi, Tadashi Matsuda
The adequate criteria for late-onset hypogonadism (LOH) diagnosis, including serum testosterone levels, type (total or free testosterone) and duration of androgen replacement therapy, and evaluations of treatment effectiveness remain controversial. To evaluate the current status of medical treatment for LOH in Japan, the first nationwide survey were performed. A total of 35 questionnaires answered by urologists in high-volume facilities were analyzed. The median numbers of patients with hypogonadism-related symptoms per month were 10...
December 5, 2016: American Journal of Men's Health
https://www.readbyqxmd.com/read/27885534/zinc-deficiency-after-gastric-bypass-for-morbid-obesity-a-systematic-review
#19
REVIEW
Kamal K Mahawar, Aparna Govil Bhasker, Vivek Bindal, Yitka Graham, Usha Dudeja, Muffazal Lakdawala, Peter K Small
Up to 50% of patients have zinc deficiency before bariatric surgery. Roux-en-Y gastric bypass (RYGB) is the commonest bariatric procedure worldwide. It can further exacerbate zinc deficiency by reducing intake as well as absorption. The British Obesity and Metabolic Surgery Society, therefore, recommends that zinc level should be monitored routinely following gastric bypass. However, the American guidance does not recommend such monitoring for all RYGB patients and reserves it for patients with 'specific findings'...
November 24, 2016: Obesity Surgery
https://www.readbyqxmd.com/read/27884859/isolated-gnrh-deficiency-genotypic-and-phenotypic-characteristics-of-the-genetically-heterogeneous-greek-population
#20
Maria I Stamou, Petros Varnavas, Machi Kentrou, Fotini Adamidou, Antonis Voutetakis, Jenny Jing, Lacey Plummer, Vasiliki Koika, Neoklis A Georgopoulos
OBJECTIVE: Isolated GnRH Deficiency (IGD) is a rare heritable disorder characterized by phenotypic and genetic heterogeneity. The genetic complexity of IGD has been surfaced by analyzing clinically complex cases, structural genetic variation as well as endogamous familial cases and isolated populations, revealing an enrichment for particular genes/ pathways that reflects the homogeneous genetic background of such populations. DESIGN AND METHODS: We analyzed a cohort of 81 Greek IGD patients by performing detailed phenotyping, followed by Sanger Sequencing of 14 causative IGD genes...
November 24, 2016: European Journal of Endocrinology
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