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Clinical Endocrinology

D Donegan, N Singh Ospina, R Rodriguez-Gutierrez, Z Al-Hilli, G B Thompson, B L Clarke, W F Young
BACKGROUND: In patients with multiple endocrine neoplasia type 1 (MEN-1), pancreaticoduodenal (PD) neuroendocrine tumors (NETs) are associated with early mortality, yet, the best treatment strategy, remains uncertain. AIM: To assess patient important outcomes (mortality and metastasis) of PD NETs and predictors of outcomes in patients with MEN-1. METHODS: Retrospective cohort of patients with MEN-1 who attended the Mayo Clinic, Rochester, MN from 1997-2014...
October 21, 2016: Clinical Endocrinology
Nicola Tufton, Kirun Gunganah, Shazia Hussain, Maralyn Druce, Robert Carpenter, Michael Ashby, William M Drake, Scott A Akker
We read with interest the article on whether patients with hormonally functioning phaeochromocytomas and paragangliomas receive proper adrenoreceptor blockade (1). Since the removal of intravenous phenoxybenzamine (Goldshield) from the UK formulae due to worldwide lack of availability, providing patients with adequate alpha adrenoreceptor blockade has become more challenging. We conducted a small retrospective audit in our department to investigate the efficacy of oral Phenoxybenzamine compared to intravenous Phenoxybenzamine as we had formed the clinical impression that that pre-operative preparation is currently less safe than it used to be...
October 19, 2016: Clinical Endocrinology
Soo Yeon Hahn, Jung Hee Shin, Hyun Kyung Lim, So Lyung Jung, Young Lyun Oh, In Ho Choi, Chan Kwon Jung
BACKGROUND: A recent concept was proposed that the non-invasive encapsulated follicular variant of papillary thyroid carcinoma (EFVPTC) reclassified as "non-invasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) is benign. Our aim was to identify the differences between NIFTP and non-NIFTP preoperatively. METHODS: This retrospective study included a total of 208 patients with 208 FVPTCs that were surgically confirmed at 3 university hospitals from 2008 through 2014...
October 19, 2016: Clinical Endocrinology
Jane Stewart
Premature ovarian insufficiency (POI) has a reported prevalence of around 1% of the female population under the age of 40 years,(1) and is a diagnosis which carries huge implications for the woman's overall health and wellbeing, as well as her reproductive health and potential. These implications change as a woman's life-path proceeds and therefore this cannot ever be an isolated diagnosis at a single time point with a single best-fit treatment. Moreover, as Anne Bachelot's paper describes(2) , this is not a static and uniform condition...
October 18, 2016: Clinical Endocrinology
Richard Quinton, Yaasir Mamoojee, Channa N Jayasena, Jacques Young, Sasha Howard, Leo Dunkel, Tim Cheetham, Neil Smith, Andrew A Dwyer
The recent Society for Endocrinology (SFE) UK Guidance on the Initial Evaluation of an Infant or an Adolescent with a Suspected Disorder of Sex Development (DSD) provides invaluable advice for clinicians treating affected patients (Ahmed, et al., 2016). Such reports are key to synthesizing evidence, sharing expert opinion and emphasizing the importance of supporting patients and families with rare disorders within the context of a multidisciplinary approach. This article is protected by copyright. All rights reserved...
October 17, 2016: Clinical Endocrinology
Christoph Degenhart, Julia Schneller, Andrea Osswald, Anna Pallauf, Anna Riester, Maximilian F Reiser, Martin Reincke, Felix Beuschlein
OBJECTIVE: To evaluate volumetric and densitometric properties of the adrenal glands in patients with unilateral and bilateral disease in comparison to normal controls. DESIGN: 77 patients (56 male and 21 female) diagnosed with primary aldosteronism (PA) with a mean age of 53±10 years were prospectively enrolled. Unenhanced and contrast enhanced CT scans were analyzed for adrenal volumes and mean densities. f These values were compared with normal controls and between PA subtypes...
October 17, 2016: Clinical Endocrinology
Matthias M Weber, Beverly Mk Biller, Birgitte Tønnes Pedersen, Effie Pournara, Jens Sandahl Christiansen, Charlotte Höybye
OBJECTIVE: To assess the effect of 4 years' GH replacement on glucose homeostasis and evaluate factors affecting glycosylated haemoglobin (HbA1c ) in adults with GH deficiency (GHD). DESIGN: NordiNet(®) International Outcome Study, a non-interventional study, monitors long-term effectiveness and safety of GH-replacement (Norditropin(®) [somatropin], Novo Nordisk A/S) in real-life clinical practice. PATIENTS: Non-diabetic patients (n=245) with adult-onset GHD (age ≥20 years at GH start), ≥4 years' GH replacement and HbA1c values at baseline and 4 years were included in the analysis...
October 13, 2016: Clinical Endocrinology
Mijin Kim, Young Nam Kim, Won Gu Kim, Suyeon Park, Hyemi Kwon, Min Ji Jeon, Hyeon Seon Ahn, Sin-Ho Jung, Sun Wook Kim, Won Bae Kim, Jae Hoon Chung, Young Kee Shong, Tae Hyuk Kim, Tae Yong Kim
OBJECTIVE: Age greater than 45 years is included as a variable in the TNM staging of differentiated thyroid cancer (DTC), but a higher cutoff value has been suggested to be more clinically relevant and prevent over-staging. We evaluated the optimal age cutoff to predict disease-specific survival (DSS) in patients with DTC. DESIGN AND PATIENTS: This cohort study included 6333 patients with DTC who underwent thyroid surgery at two tertiary referral centres between 1996 and 2005...
October 12, 2016: Clinical Endocrinology
Charlotte Verroken, Hans-Georg Zmierczak, Stefan Goemaere, Jean-Marc Kaufman, Bruno Lapauw
OBJECTIVE: Maternal age at childbirth is increasing worldwide, but studies investigating the consequences of this trend on offspring metabolic health are scarce. We investigated the associations of maternal age at childbirth with metabolic outcomes in adult male siblings. METHODS: We used data from 586 men aged 25-45 participating in a cross-sectional, population-based sibling-pair study, including maternal age at childbirth and offspring birth weight, adult weight, height, dual-energy X-ray absorptiometry (DXA)-derived body composition, blood pressure, and total cholesterol, glucose and insulin levels from fasting serum samples...
October 11, 2016: Clinical Endocrinology
Laura E Dichtel, Melanie Schorr, Corey M Gill, Konstantinos P Economopoulos, Anu V Gerweck, Brooke Swearingen, Richard Hodin, Miriam A Bredella, Karen K Miller
Hypercortisolemia is associated with abdominal adiposity. Prior studies have quantified visceral adipose tissue (VAT) versus subcutaneous adipose tissue (SAT) accumulation as assessed by CT and MRI in patients with pituitary Cushing's disease (1-3) but not of other etiologies. Hormone differences in women with Cushing's syndrome due to pituitary versus adrenal and iatrogenic etiologies, including differences in DHEA production, may affect body composition. This article is protected by copyright. All rights reserved...
October 3, 2016: Clinical Endocrinology
B G Challis, R T Casey, H L Simpson, M Gurnell
Phaeochromocytomas and paragangliomas (PPGLs) are catecholamine secreting neuroendocrine tumours that predispose to haemodynamic instability. Currently, surgery is the only available curative treatment, but carries potential risks including hypertensive and hypotensive crises, cardiac arrhythmias, myocardial infarction and stroke, due to tumoral release of catecholamines during anaesthetic induction and tumour manipulation. The mortality associated with surgical resection of PPGL has significantly improved from 20-45% in the early 20(th) century(1) to 0-2...
October 3, 2016: Clinical Endocrinology
Natasha L Heather, Paul L Hofman, Mark de Hora, Joan Carll, José G B Derraik, Dianne Webster
OBJECTIVE: The aim of this study was to assess the performance of the revised New Zealand (NZ) newborn screening TSH cut-offs for congenital hypothyroidism (CHT). METHODS: Screening data over 24 months were obtained from the NZ newborn metabolic screening programme, which utilizes a 2-tier system of direct clinical referral for infants with markedly elevated TSH, and second samples from those with mild TSH elevation. We evaluated the impact of a reduced TSH threshold (50 to 30 mIU/l blood) for direct notification and a lower cut-off (15 to 8 mIU/l blood) applied to second samples and babies older than 14 days...
October 3, 2016: Clinical Endocrinology
Ada S Cheung, Casey de Rooy, Rudolf Hoermann, Daryl Lim Joon, Jeffrey D Zajac, Mathis Grossmann
OBJECTIVE: While androgen deprivation therapy (ADT) has been associated with decreased quality of life (QoL), controlled prospective studies are lacking. We aimed to assess QoL during ADT using two validated questionnaires and determine contributing factors. DESIGN: Prospective controlled study. PATIENTS: 63 men with non-metastatic prostate cancer newly commencing ADT (n=34) and age- and radiotherapy-matched prostate cancer controls (n=29)...
October 3, 2016: Clinical Endocrinology
Andrea Di Nisio, Maria Santa Rocca, Gian Paolo Fadini, Luca De Toni, Giorgio Marcuzzo, Maria Cristina Marescotti, Marta Sanna, Mario Plebani, Roberto Vettor, Angelo Avogaro, Carlo Foresta
OBJECTIVE: Identification of the novel endocrine role of osteocalcin (OC) and its receptor GPRC6A has given rise to a new branch of research in OC/GPRC6A axis related to glucose metabolism. GPRC6A- and OC-deficient mice share features of the metabolic syndrome, in addition to male infertility. Recently, the polymorphism rs2274911 in GPRC6A was shown to be associated with testicular impairment. We aimed to investigate the role of rs2274911 polymorphism in glucose and lipid metabolism in a cohort of normal weight and obese subjects DESIGN, PATIENTS, SETTINGS: A total of 392 male and females, including 218 obese patients and 174 age-matched normal weight controls, were retrospectively selected...
October 1, 2016: Clinical Endocrinology
R J Kuppens, N E Bakker, E P C Siemensma, S H Donze, T Stijnen, A C S Hokken-Koelega
CONTEXT: Patients with Prader-Willi syndrome (PWS) have an increased fat mass and decreased lean body mass. GH-treated young adults with PWS who have attained adult height benefit from continuation of growth hormone (GH) treatment, as GH maintained their improved body composition, whereas fat mass increased during the placebo period. Adults with PWS are predisposed to T2DM and CVD. Whether GH affects metabolic health profile of this patient group is unknown. OBJECTIVE: To investigate the effects of GH versus placebo on metabolic health, in young adults with PWS who were GH-treated for many years during childhood and had attained adult height (AH)...
September 30, 2016: Clinical Endocrinology
Nicola Tufton, Lucy Shapiro, Umasuthan Srirangalingam, Polly Richards, Anju Sahdev, V K Ajith Kumar, Lorraine McAndrew, Lee Martin, Daniel Berney, John Monson, Shern L Chew, Mona Waterhouse, Maralyn Druce, Márta Korbonits, Karl Metcalfe, William M Drake, Helen L Storr, Scott A Akker
OBJECTIVE: For 'asymptomatic carriers' of the succinate dehydrogenase subunit B (SDHB) gene mutations, there is currently no consensus as to the appropriate modality or frequency of surveillance imaging. We present the results of a surveillance programme of SDHB mutation carriers. DESIGN: Review of clinical outcomes of a surveillance regimen in patients identified to have a SDHB gene mutation, based on annual MRI, in a single UK tertiary referral centre. PATIENTS: A total of 92 patients were identified with an SDHB gene mutation...
September 28, 2016: Clinical Endocrinology
Eleni Magdalini Kyritsi, George K Dimitriadis, Ioannis Kyrou, Gregory Kaltsas, Harpal S Randeva
Polycystic ovarian syndrome (PCOS) is a heterogenous disorder associated with clinical, endocrine and ultrasonographic features that can also be encountered in a number of other diseases. It has traditionally been suggested that prolactin excess, enzymatic steroidogenic abnormalities and thyroid disorders need to be excluded before a diagnosis of PCOS is made. However, there is paucity of data regarding the prevalence of PCOS phenotype in some of these disorders, whereas other endocrine diseases that exhibit PCOS-like features may elude diagnosis and proper management if not considered...
September 24, 2016: Clinical Endocrinology
Warrick J Inder
No abstract text is available yet for this article.
September 23, 2016: Clinical Endocrinology
Nicole Nigro, Bettina Winzeler, Isabelle Suter-Widmer, Philipp Schuetz, Birsen Arici, Martina Bally, Claudine A Blum, Christian H Nickel, Roland Bingisser, Andreas Bock, Andreas Huber, Beat Müller, Mirjam Christ-Crain
OBJECTIVE: Hyponatraemia is common and its differential diagnosis is challenging. Commonly used diagnostic algorithms have limited diagnostic accuracy. Copeptin, the c-terminal portion of the precursor peptide of arginine vasopressin might help in the differential diagnosis of hyponatraemia. DESIGN: Prospective multicentre observational study. PATIENTS/METHODS: A total of 298 patients admitted with profound hypoosmolar hyponatraemia (Na < 125 mmol/l) were evaluated...
September 22, 2016: Clinical Endocrinology
Anna Nordenström, Agnieszka Butwicka, Angelica Lindén Hirschberg, Catarina Almqvist, Agneta Nordenskjöld, Henrik Falhammar, Louise Frisén
BACKGROUND: Congenital adrenal hyperplasia (CAH) is one of the most common monogenic autosomal recessive disorders with an incidence of one in 15 000. About one in 70 individuals in the general population are carriers of a severe CYP21A2 mutation. It has been suggested that this confers a survival advantage, perhaps as a result of increased activity in the hypothalamic-pituitary-adrenal axis. We investigated vulnerability to psychological stress in obligate carriers. METHOD: The Swedish CAH Registry encompasses more than 600 patients...
September 21, 2016: Clinical Endocrinology
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