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https://www.readbyqxmd.com/read/29156452/an-international-consortium-update-pathophysiology-diagnosis-and-treatment-of-polycystic-ovarian-syndrome-in-adolescence
#1
Lourdes Ibáñez, Sharon E Oberfield, Selma F Witchel, Richard J Auchus, R Jeffrey Chang, Ethel Codner, Preeti Dabadghao, Feyza Darendeliler, Nancy Samir Elbarbary, Alessandra Gambineri, Cecilia Garcia Rudaz, Kathleen M Hoeger, Abel López-Bermejo, Ken Ong, Alexia S Peña, Thomas Reinehr, Nicola Santoro, Manuel Tena-Sempere, Rachel Tao, Bulent O Yildiz, Haya Alkhayyat, Asma Deeb, Dipesalema Joel, Reiko Horikawa, Francis de Zegher, Peter A Lee
This paper represents an international collaboration of paediatric endocrine and other societies (listed in the Appendix) under the International Consortium of Paediatric Endocrinology (ICPE) aiming to improve worldwide care of adolescent girls with polycystic ovary syndrome (PCOS)1. The manuscript examines pathophysiology and guidelines for the diagnosis and management of PCOS during adolescence. The complex pathophysiology of PCOS involves the interaction of genetic and epigenetic changes, primary ovarian abnormalities, neuroendocrine alterations, and endocrine and metabolic modifiers such as anti-Müllerian hormone, hyperinsulinemia, insulin resistance, adiposity, and adiponectin levels...
November 13, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/29156254/xenografted-tissue-models-for-the-study-of-human-endometrial-biology
#2
REVIEW
Satu Kuokkanen, Liyin Zhu, Jeffrey W Pollard
The human endometrium undergoes extensive morphological, biochemical and molecular changes under the influence of female sex steroid hormones. Besides the fact that estrogen stimulates endometrial cell proliferation and progesterone inhibits this proliferation and induces differentiation, there is limited knowledge about precise molecular mechanisms underlying human endometrial biology. The importance of paracrine signaling in endometrial physiology explains why in vitro culture of endometrial cells has been challenging...
November 10, 2017: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/29155992/ihh-gene-mutations-causing-short-stature-with-non-specific-skeletal-abnormalities-and-response-to-growth-hormone-therapy
#3
Gabriela A Vasques, Mariana F A Funari, Frederico M Ferreira, Miriam Aza-Carmona, Lucia Sentchordi-Montané, Jimena Barraza-García, Antonio M Lerario, Guilherme L Yamamoto, Michel S Naslavsky, Yeda A O Duarte, Debora R Bertola, Karen E Heath, Alexander A L Jorge
Context: Genetic evaluation has been recognized as an important tool to elucidate the causes of growth disorders. Objective: To investigate the etiology of short stature and to determine the phenotype of patients with IHH mutations, including the response to growth hormone (rhGH) therapy. Patients and Methods: We studied 17 families with autosomal dominant short stature using whole exome sequencing and screened IHH defects in 290 patients with growth disorders...
November 15, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29154983/giant-renal-angiomyolipoma-following-ovarian-stimulation-therapy
#4
Elieser H Watanabe, Precil D Neves, Bruno E Balbo, Carlos A Sampaio, Luiz F Onuchic
Renal angiomyolipomas (AML) are benign tumors with higher prevalence in women. Female hormones have been shown to induce AML enlargement. This case refers to a 40-year-old woman with four left kidney AMLs, the larger ones with 1.0 and 1.3 cm. Ten months after ovarian stimulation for egg harvesting, a computed tomography revealed an 18-cm AML with large-caliber vessels. Given her high risk of AML bleeding, the patient was submitted to selective arterial embolization, which turned out unsuccessful, supporting a plan of nephron-sparing surgery...
November 15, 2017: Urology
https://www.readbyqxmd.com/read/29154465/the-role-of-immunological-testing-and-intervention-in-reproductive-medicine-a-fertile-collaboration
#5
REVIEW
Syed B Ali, Yogesh Jeelall, Craig E Pennell, Roger Hart, Andrew McLean-Tooke, Michaela Lucas
Advances in reproductive medicine have significantly increased the success of fertility treatments. Nevertheless, some women experience recurrent implantation failure (RIF) after in-vitro fertilization (IVF) or recurrent pregnancy loss (RPL). Imbalances in the immune system and failure to achieve immune tolerance to the foetus have been implicated as potentially modifiable causes of idiopathic RIF and RPL. As such, women are increasingly being treated with immunomodulatory agents in an attempt to achieve a successful pregnancy...
November 20, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29154455/translational-evidence-of-prothrombotic-and-inflammatory-endothelial-damage-in-cushing-syndrome-after-remission
#6
Gloria Aranda, Rebeca Fernandez-Ruiz, Marta Palomo, Mónica Romo, Mireia Mora, Irene Halperin, Gregori Casals, Joaquim Enseñat, Oscar Vidal, Maribel Diaz-Ricart, Felicia A Hanzu
OBJECTIVE: Sustained evidence from observational studies indicates that after remission of Cushing Syndrome (CS) a cardiovascular risk phenotype persists. Here we performed a translational study in active CS and CS in remission to evaluate the subclinical cardiometabolic burden and to explore the direct proinflammatory and prothrombotic potential of their sera on the endothelium in an in vitro translational atherothrombotic cell model. PATIENTS: Cross-sectional study...
November 20, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29154445/long-term-cardiovascular-morbidity-and-mortality-in-patients-treated-for-differentiated-thyroid-cancer
#7
Nelli Pajamäki, Saara Metso, Tommi Hakala, Tapani Ebeling, Heini Huhtala, Essi Ryödi, Juhani Sand, Arja Jukkola-Vuorinen, Pirkko-Liisa Kellokumpu-Lehtinen, Pia Jaatinen
OBJECTIVE: Thyroid hormone suppression therapy has been widely used in the treatment of thyroid cancer, but concerns have been raised about the cardiovascular risks of this treatment. The objective of this study was to evaluate long-term cardiovascular morbidity and mortality in patients treated for differentiated thyroid cancer (DTC) and to assess the effect of TSH suppression and radioiodine (RAI) treatment on the cardiovascular outcome. DESIGN: Retrospective cohort study...
November 20, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29154428/muscle-wasting-and-sarcopenia-in-heart-failure-and-beyond-update-2017
#8
REVIEW
Jochen Springer, Joshua-I Springer, Stefan D Anker
Sarcopenia (loss of muscle mass and muscle function) is a strong predictor of frailty, disability and mortality in older persons and may also occur in obese subjects. The prevalence of sarcopenia is increased in patients suffering from chronic heart failure. However, there are currently few therapy options. The main intervention is resistance exercise, either alone or in combination with nutritional support, which seems to enhance the beneficial effects of training. Also, testosterone has been shown to increased muscle power and function; however, a possible limitation is the side effects of testosterone...
November 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29153901/use-of-5-alpha-reductase-inhibitors-as-alternatives-to-luteinizing-hormone-releasing-hormone-lhrh-analogs-or-anti-androgens-for-prostate-downsizing-before-brachytherapy
#9
Hee Joon Bae, Omar Mian, Dhananjay Vaidya, Theodore L DeWeese, Daniel Y Song
INTRODUCTION: Prostate hypertrophy, median lobe hypertrophy, and pubic arch interference (PAI) are relative contraindications to brachytherapy because of potential morbidity and technical considerations. GnRH analogs or non-steroidal anti-androgens are currently utilized to achieve prostatic downsizing prior to brachytherapy. However, such agents have been associated with effects on body habitus, metabolism, and quality of life. In contrast, 5-alpha reductase inhibitors (5-ARI) are far less frequently associated with these morbidities...
October 10, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/29153580/effectiveness-and-safety-of-oro-dispersible-sildenafil-in-a-new-film-formulation-for-the-treatment-of-erectile-dysfunction-comparison-between-sildenafil-100-mg-film-coated-tablet-and-75-mg-oro-dispersible-film
#10
Andrea Cocci, Marco Capece, Gianmartin Cito, Giorgio Ivan Russo, Marco Falcone, Massimiliano Timpano, Michele Rizzo, Pier Andrea Della Camera, Simone Morselli, Riccardo Campi, Francesco Sessa, Giovanni Cacciamani, Andrea Minervini, Mauro Gacci, Vincenzo Mirone, Girolamo Morelli, Nicola Mondaini, Gaia Polloni, Sergio Serni, Alessandro Natali
BACKGROUND: A new oro-dispersible film (ODF) formulation of sildenafil has been developed for the treatment of erectile dysfunction (ED) to overcome the drawbacks that some patients experience when taking the conventional film-coated tablet (FCT). AIM: To assess the effectiveness and safety of sildenafil ODF formulation in patients with ED who were using the conventional FCT. METHODS: From May 2017 through July 2017, 139 patients with ED were enrolled...
November 16, 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/29153377/iatrogenic-iron-overload-and-its-potential-consequences-in-patients-on-hemodialysis
#11
Guy Rostoker, Nosratola D Vaziri
Iron overload was considered rare in hemodialysis patients until recently, but its clinical frequency is now increasingly recognized. The liver is the main site of iron storage and the liver iron concentration (LIC) is closely correlated with total iron stores in patients with secondary hemosiderosis and genetic hemochromatosis. Magnetic resonance imaging (MRI) is now the gold standard method for estimating and monitoring LIC. Studies of LIC in hemodialysis patients by magnetic susceptometry thirteen years ago and recently by quantitative MRI have demonstrated a relation between the risk of iron overload and the use of intravenous (IV) iron products prescribed at doses determined by the iron biomarker cutoffs contained in current anemia management guidelines...
November 16, 2017: La Presse Médicale
https://www.readbyqxmd.com/read/29153202/growth-hormone-as-biomarker-in-heart-failure
#12
REVIEW
Alberto M Marra, Emanuele Bobbio, Roberta D'Assante, Andrea Salzano, Michele Arcopinto, Eduardo Bossone, Antonio Cittadini
The impairment of growth hormone (GH)/insulin growth factor-1(IGF-1) plays a crucial role in chronic heart failure (CHF). Several studies have shown that patients affected by this condition display a more aggressive disease, with impaired functional capacity and poor outcomes. Interestingly, GH replacement therapy represents a possible future therapeutic option in CHF. In this review, the authors focus on the assessment of the main abnormalities in GH/IGF-1 axis in CHF, the underlying molecular background, and their impact on disease progression and outcomes...
January 2018: Heart Failure Clinics
https://www.readbyqxmd.com/read/29153197/natriuretic-peptides-in-heart-failure-atrial-and-b-type-natriuretic-peptides
#13
REVIEW
Alan S Maisel, Jason M Duran, Nicholas Wettersten
The natriuretic peptides play a vital role in normal physiology and as counter-regulatory hormones in heart failure (HF). Clinical assessment of their levels (for B-type natriuretic peptide [BNP], N-terminal proBNP, and the midregion of N-terminal pro-atrial natriuretic peptide) have become valuable tools in diagnosing patients with HF as well as risk stratifying and guiding therapy. Their roles have further expanded beyond HF to other cardiovascular conditions and for risk stratification in asymptomatic individuals...
January 2018: Heart Failure Clinics
https://www.readbyqxmd.com/read/29152592/revisiting-the-igf-1r-as-a-breast-cancer-target
#14
Roudy Chiminch Ekyalongo, Douglas Yee
The type I insulin-like growth factor-1 receptor is a well-described target in breast cancer and multiple clinical trials examining insulin-like growth factor-1 receptor have been completed. Unfortunately, monoclonal antibodies and tyrosine kinase inhibitors targeting insulin-like growth factor-1 receptor failed in phase III breast clinical trials for several reasons. First, insulin-like growth factor-1 receptor antibody therapy resulted in hyperglycemia and metabolic syndrome most likely due to disruption of insulin-like growth factor-1 homeostasis and subsequent growth hormone elevation...
2017: NPJ Precis Oncol
https://www.readbyqxmd.com/read/29152430/a-dosimetric-comparison-of-intensity-modulated-proton-therapy-volumetric-modulated-arc-therapy-and-4%C3%AF-non-coplanar-intensity-modulated-radiation-therapy-for-a-patient-with-parameningeal-rhabdomyosarcoma
#15
Tiffany W Chen, Julian Sison, Becky Lee, Arthur J Olch, Andrew Chang, Annelise Giebeler, Kenneth Wong
Rhabdomyosarcoma (RMS) is the most common soft tissue sarcoma in children and manifests as two major histological subtypes: embryonal and alveolar. The five-year local failure rate for RMS at parameningeal sites (middle ear, mastoid region, nasal cavity, etc.) is around 17% despite multiple Intergroup Rhabdomyosarcoma Study Group (IRS) trials conducted to determine the optimal radiation treatment regimen. This case report explores the use of intensity-modulated proton therapy (IMPT) for a 10-year-old child who presented with left eye irritation, facial pain, and headaches and was found to have an alveolar parameningeal rhabdomyosarcoma...
September 10, 2017: Curēus
https://www.readbyqxmd.com/read/29152285/mexican-case-report-of-a-never-treated-laron-syndrome-patient-evolving-to-metabolic-syndrome-type-2-diabetes-and-stroke
#16
Inma Castilla-Cortazar, Giovana Femat-Roldán, Joel Rodríguez-Rivera, Gabriel A Aguirre, Mariano García-Magariño, Irene Martín-Estal, Luis Espinosa, Carlos Díaz-Olachea
Glucose and lipid profile together with blood pressure should always be considered for low sera-IGF-1 patients. Even when adulthood is reached, IGF-1 therapy in these patients should be pursued as metabolic and protective cellular effects could be triggered. Real incidence of growth hormone insensitivity is still to be uncovered.
November 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/29151494/amiodarone-induced-hyponatremia-masked-by-tolvaptan-in-a-patient-with-an-implantable-left-ventricular-assist-device
#17
Makiko Nakamura, Osahiko Sunagawa, Tadao Kugai, Koichiro Kinugawa
A 43-year-old man was referred to our hospital in June 2014 because of severe heart failure. He was diagnosed with familial dilated cardiomyopathy and was administered oral tolvaptan and amiodarone for atrial and ventricular tachycardia. Since up-titration of carvedilol had failed and he was dependent on dobutamine, a left ventricular assist device (LVAD) was implanted. Tolvaptan and furosemide were both discontinued after LVAD implantation and he was discharged from the hospital. Thirteen months later, he was hospitalized for lethargy and hyponatremia of 108 mEq/L, with an antidiuretic hormone level of 2...
November 17, 2017: International Heart Journal
https://www.readbyqxmd.com/read/29151481/a-low-normal-free-triiodothyronine-level-is-associated-with-adverse-prognosis-in-euthyroid-patients-with-heart-failure-receiving-cardiac-resynchronization-therapy
#18
Yu-Yang Chen, Xiao-Rong Shu, Zi-Zhuo Su, Rong-Jie Lin, Hai-Feng Zhang, Wo-Liang Yuan, Jing-Feng Wang, Shuang-Lun Xie
Thyroid dysfunction is prevalent in patients with heart failure (HF) and hypothyroidism is related to the adverse prognosis of HF subjects receiving cardiac resynchronization therapy (CRT). We aim to investigate whether low-normal free triiodothyronine (fT3) level is related to CRT response and the prognosis of euthyroid patients with HF after CRT implantation.One hundred and thirteen euthyroid patients who received CRT therapy without previous thyroid disease and any treatment affecting thyroid hormones were enrolled...
November 17, 2017: International Heart Journal
https://www.readbyqxmd.com/read/29151238/predictability-of-hypoadrenalism-occurrence-and-duration-after-adrenalectomy-for-acth-independent-hypercortisolism
#19
V Morelli, L Minelli, C Eller-Vainicher, S Palmieri, E Cairoli, A Spada, M Arosio, I Chiodini
OBJECTIVE: To evaluate if the parameters of hypothalamic-pituitary-adrenal (HPA) axis activity could predict the occurrence and duration of post-surgical hypocortisolism (PSH) in patients with Cushing's syndrome (CS) and with adrenal incidentaloma (AI). METHODS: We studied 80 patients (54 females, age 53.3 ± 11 years), who underwent adrenalectomy for CS (17 patients) or for AI (53 patients). Before surgery, we measured adrenocorticotroph hormone (ACTH), urinary free cortisol (UFC) and serum cortisol after 1 mg dexamethasone suppression test (1 mg-DST) levels...
November 18, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29151229/effects-of-female-sex-steroids-administration-on-pathophysiologic-mechanisms-in-traumatic-brain-injury
#20
REVIEW
Mohammad Khaksari, Zahra Soltani, Nader Shahrokhi
Secondary brain damage following initial brain damage in traumatic brain injury (TBI) is a major cause of adverse outcomes. There are many gaps in TBI research and a lack of therapy to limit debilitating outcomes in TBI or enhance the neurogenesis, despite pre-clinical and clinical research performed in TBI. Females show harmful outcomes against brain damage including TBI less than males, independent of different TBI occurrence. A significant reduction in secondary brain damage and improvement in neurologic outcome post-TBI has been reported following the use of progesterone and estrogen in many experimental studies...
November 19, 2017: Translational Stroke Research
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