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Acromegaly

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https://www.readbyqxmd.com/read/28432267/assessment-of-lung-function-in-a-large-cohort-of-patients-with-acromegaly
#1
Sylvere Störmann, Bodo Gutt, Josefine Roemmler-Zehrer, Martin Bidlingmaier, Rudolf Maria Huber, Jochen Schopohl, Matthias Angstwurm
OBJECTIVE: Acromegaly is associated with increased mortality due to respiratory disease. To date, lung function in patients with acromegaly has only been assessed in small studies, with contradicting results. We assessed lung function parameters in a large cohort of patients with acromegaly. DESIGN: Lung function of acromegaly patients was prospectively assessed using spirometry, blood gas analysis and body plethysmography. Biochemical indicators of acromegaly were assessed through measurement of growth hormone and IGF-I levels...
April 21, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28427099/role-of-phosphodiesterases-on-the-function-of-aryl-hydrocarbon-receptor-interacting-protein-aip-in-the-pituitary-gland-and-on-the-evaluation-of-aip-gene-variants
#2
Laura C Hernández-Ramírez, Giampaolo Trivellin, Constantine A Stratakis
Familial isolated pituitary adenoma (FIPA) is caused in about 20% of cases by loss-of-function germline mutations in the AIP gene. Patients harboring AIP mutations usually present with somatotropinomas resulting either in gigantism or young-onset acromegaly. AIP encodes for a co-chaperone protein endowed with tumor suppressor properties in somatotroph cells. Among other mechanisms proposed to explain this function, a regulatory effect over the 3',5'-cyclic adenosine monophosphate (cAMP) signaling pathway seems to play a prominent role...
April 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28420845/suffocation-due-to-thoracic-deformity-caused-by-acromegaly
#3
Toshihiko Yoshizawa, Masayuki Iwazaki, Kei Jitsuiki, Kouhei Ishikawa, Hiromichi Ohsaka, Youichi Yanagawa
A 61-year-old man with gigantism and acromegaly choked and fell into a coma. Immediate tracheal intubation resulted in a return of his consciousness. Enhanced computed tomography indicated that the trachea and left main bronchus were compressed by the thoracic spine and sternum. He required tracheotomy and positive end-expiratory pressure to maintain his pulmonary function. This is the first case of suffocation due to a thoracic deformity associated with acromegaly. Physicians should focus on clearing the tracheal airway using computed tomography to elucidate the anatomical relationship between the trachea and surrounding structures in acromegalic patients suffering from dyspnea...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28419317/high-dose-and-high-frequency-lanreotide-autogel-in-acromegaly-a-randomized-multicenter-study
#4
Andrea Giustina, Gherardo Mazziotti, Salvatore Cannavò, Roberto Castello, Giorgio Arnaldi, Giovanna Bugari, Renato Cozzi, Diego Ferone, Anna Maria Formenti, Enza Gatti, Silvia Grottoli, Pietro Maffei, Filippo Maffezzoni, Marcella Montini, Massimo Terzolo, Ezio Ghigo
Context: The increase in drug frequency or dose is recommended for acromegaly patients with partial response to long-acting somatostatin receptor ligands (SRLs). However, the efficacy and safety data with lanreotide autogel (LAN-ATG) at high-dose (HD) or high-frequency (HF) are still scanty and anecdotal. Objective: To evaluate the biochemical efficacy and safety of HF- and HD LAN-ATG in patients with active acromegaly. Design: 24-week prospective, multicentre, randomized, open-label trial...
April 17, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28412706/endocrine-comorbidities-in-patients-with-psoriatic-arthritis-a-population-based-case-controlled-study
#5
Amir Haddad, Ron Ilan Ashkenazi, Haim Bitterman, Ilan Feldhamer, Sari Greenberg-Dotan, Idit Lavi, Erez Batat, Irina Bergman, Arnon Dov Cohen, Devy Zisman
OBJECTIVE: To investigate endocrine comorbidities in patients with psoriatic arthritis (PsA). METHODS: A retrospective, cross-sectional study was performed with the database of Clalit Health Services, the largest healthcare provider in Israel, between 2002 and 2014. Patients with PsA were identified and matched by age and sex to healthy controls. The following morbidities were analyzed: hypo/hyperthyroidism, hypo/hyperparathyroidism, hyperprolactinemia, Cushing disease, Addison disease, diabetes insipidus, diabetes mellitus (DM), pituitary adenoma, acromegaly, and osteoporosis...
April 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28407138/calcium-and-bone-turnover-markers-in-acromegaly-a-prospective-controlled-study
#6
Tina Constantin, Vin Tangpricha, Reshma Shah, Nelson M Oyesiku, Octavian C Ioachimescu, James Ritchie, Adriana G Ioachimescu
Context: Acromegaly has been associated with calcium-phosphate and bone turnover alterations. Controlled studies of these interactions are sparse. Objective: To evaluate calcium and bone metabolism in active and treated acromegaly. Design/Setting/Patients: We conducted a controlled prospective study at a tertiary referral center. We studied 22 patients with acromegaly referred for surgical or medical therapy (ACM) and 22 with nonfunctioning pituitary adenomas referred for surgery (control)...
April 12, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28402548/the-acylated-unacylated-ghrelin-ratio-is-similar-in-acromegaly-patients-during-different-treatment-regimens
#7
Ammar Muhammad, Patric J D Delhanty, Martin Huisman, Jenny A Visser, Aart Jan van der Lelij, Sebastian J C M M Neggers
Background: Data on plasma acylated ghrelin (AG) and unacylated ghrelin (UAG) levels in acromegaly are limited. High ratios of AG/UAG are linked with type 2 diabetes, obesity and hyperphagia (e.g. in Prader-Willi syndrome). Objective: To assess fasting plasma AG and UAG levels, and the AG/UAG ratio in acromegaly patients on combination treatment of long-acting somatostatin analogues and pegvisomant. As a control, we used patients controlled with pegvisomant monotherapy, and medically naïve patients with active acromegaly...
April 11, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28396686/expression-of-somatostatin-receptor-2-in-somatotropinoma-correlated-with-the-short-term-efficacy-of-somatostatin-analogues
#8
Wenjuan Liu, Lina Xie, Min He, Ming Shen, Jingjing Zhu, Yeping Yang, Meng Wang, Ji Hu, Hongying Ye, Yiming Li, Yao Zhao, Zhaoyun Zhang
The expression of somatostatin receptor subtypes (SSTRs) in pituitary growth hormone- (GH-) secreting adenomas may predict the response to somatostatin analogues (SSA). Our aim was to evaluate the value of the immunohistochemical (IHC) scores of 2 subtypes, SSTR2 and SSTR5, in predicting the short-term efficacy of SSA therapy in patients with active acromegaly. Ninety-three newly diagnosed acromegalic patients were included in our study. These patients were categorized into either a SSA-pretreated group (SA, n = 63) or a direct-surgery group (DS, n = 30), depending on whether or not presurgical SSA treatment was received...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28390436/n-myc-downstream-regulated-gene-2-ndrg2-promoter-methylation-and-expression-in-pituitary-adenoma
#9
Paulina Vaitkiene, Indre Valiulyte, Brigita Glebauskiene, Rasa Liutkeviciene
BACKGROUND: Pituitary adenoma (PA) is a benign primary tumor that arises from the pituitary gland and is associated with ophthalmological, neurological and endocrinological abnormalities. However, causes that increase tumor progressing recurrence and invasiveness are still undetermined. Several studies have shown N-myc downstream regulated gene 2 (NDRG2) as a tumor suppressor gene, but the role of NDRG2 gene in pituitary adenoma pathogenesis has not been elucidated. The aim of our research has been to examine NDRG2 mRNA expression in PA and to determine the associations between the NDRG2 gene epigenetic changes and the development of recurrence or invasiveness of PA and patient clinical data...
April 8, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28390105/marked-alteration-of-glycemic-profile-surrounding-lanreotide-administration-in-acromegaly-a-case-report
#10
Sho Tanaka, Akira Haketa, Shun Yamamuro, Toshiko Suzuki, Hiroki Kobayashi, Yoshinari Hatanaka, Takahiro Ueno, Noboru Fukuda, Masanori Abe, Atsuo Yoshino, Masayoshi Soma
Whether somatostatin analogs for acromegaly improve or worsen a patient's glycemic profile is controversial. A risk of hypoglycemia should be presumed especially when patients receive insulin therapy, as the package inserts caution. However, a detailed clinical course of such a case was never reported in research articles. An 80-year-old Japanese female diabetic treated with insulin therapy was diagnosed with acromegaly, and the somatostatin analog, lanreotide, was administered. On day 4 of administration, repeated hypoglycemia due to exogenous insulin arose and the patient required inpatient care...
April 8, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28377801/current-best-practice-in-the-management-of-patients-after-pituitary-surgery
#11
REVIEW
Alessandro Prete, Salvatore Maria Corsello, Roberto Salvatori
Sellar and parasellar masses are a common finding, and most of them are treated surgically via transsphenoidal approach. This type of surgery has revolutionized the approach to several hypothalamic-pituitary diseases and is usually effective, and well-tolerated by the patient. However, given the complex anatomy and high density of glandular, neurological and vascular structures in a confined space, transsphenoidal surgery harbors a substantial risk of complications. Hypopituitarism is one of the most frequent sequelae, with central adrenal insufficiency being the deficit that requires a timely diagnosis and treatment...
March 2017: Therapeutic Advances in Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28372721/vitamin-d-across-growth-hormone-gh-disorders-from-gh-deficiency-to-gh-excess
#12
REVIEW
A Ciresi, C Giordano
The interplay between vitamin D and the growth hormone (GH)/insulin-like growth factor (IGF)-I system is very complex and to date it is not fully understood. GH directly regulates renal 1 alpha-hydroxylase activity, although the action of GH in modulating vitamin D metabolism may also be IGF-I mediated. On the other hand, vitamin D increases circulating IGF-I and the vitamin D deficiency should be normalized before measurement of IGF-I concentrations to obtain reliable and unbiased IGF-I values. Indeed, linear growth after treatment of nutritional vitamin D deficiency seems to be mediated through activation of the GH/IGF-I axis and it suggests an important role of vitamin D as a link between the proliferating cartilage cells of the growth plate and GH/IGF-I secretion...
April 2017: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/28372573/treatment-adherence-and-persistence-with-long-acting-somatostatin-analog-therapy-for-the-treatment-of-acromegaly-a-retrospective-analysis
#13
Michelle H Gurel, Yi Han, Andrea L Stevens, Aaron Furtado, David Cox
BACKGROUND: Many patients with acromegaly require medical treatment that includes somatostatin analogs (SSAs). Long-acting SSA formulations are widely used, due in part to increased patient convenience and increased treatment adherence vs daily medications. Although medication compliance can be poor in patients with chronic conditions, adherence and persistence with these SSAs in patients with acromegaly has not been evaluated. This analysis utilized claims data to estimate treatment adherence and persistence for lanreotide depot and long-acting octreotide in this population...
April 4, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28368500/long-term-endocrine-outcomes-following-endoscopic-endonasal-transsphenoidal-surgery-for-acromegaly-and-associated-prognostic-factors
#14
Harish Babu, Alicia Ortega, Miriam Nuno, Aaron Dehghan, Aaron Schweitzer, H Vivien Bonert, John D Carmichael, Odelia Cooper, Shlomo Melmed, Adam N Mamelak
BACKGROUND: Long-term remission rates from endoscopic transsphenoidal surgery for acromegaly and their relationship to prognostic indicators of disease aggressiveness are not well documented. OBJECTIVE: To investigate long-term remission rates in patients with acromegaly after endoscopic transsphenoidal surgery, and correlate this with molecular and radiographic markers of disease aggressiveness. METHODS: We identified all patients undergoing endoscopic transsphenoidal surgery for acromegaly from 2005 to 2013 at Cedars-Sinai Pituitary Center...
March 29, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28357781/utility-of-baseline-serum-phosphorus-levels-for-predicting-remission-in-acromegaly-patients
#15
G Y Yalin, S Tanrikulu, N Gul, A K Uzum, F Aral, R Tanakol
PURPOSE: High GH and IGF I levels increase tubular phosphate reabsorption in patients with acromegaly. We aimed to investigate the utility of serum phosphorus levels as an indicator for predicting chance of remission in acromegaly patients. DESIGN: Fifty-one patients (n: 51; F: 24, M: 27) with diagnosis of acromegaly were included in the study. Plasma IGF-1, Phosphorus (P) and nadir GH levels on oral glucose tolerance test (OGTT) at the time of diagnosis were analysed retrospectively...
March 29, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28351913/management-of-endocrine-disease-quality-of-life-tools-for-the-management-of-pituitary-disease
#16
Susan M Webb, Iris Crespo, Alicia Santos, Eugenia Resmini, Anna Aulinas, Elena Valassi
In the last years, quality of life (QoL) has become an outcome measure in patients with pituitary diseases. OBJECTIVE: Describe available data on QoL impairment evaluated with questionnaires in patients with pituitary diseases. DESIGN: Critical review of the pertinent literature and pragmatic discussion of available information. METHODS: Selection of relevant literature from PubMed and WOK, especially from the last 5 years and comprehensive analysis...
March 28, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28348071/acromegalic-arthropathy-in-various-stages-of-the-disease-a-magnetic-resonance-imaging-mri-study
#17
Kim M J A Claessen, A Navas Canete, P De Bruin, Alberto M Pereira, M Kloppenburg, H Kroon, N R Biermasz
Background Arthropathy is a prevalent and invalidating complication of acromegaly with a characteristic radiographic phenotype. We aimed to further characterize cartilage and bone abnormalities associated with acromegalic arthropathy using Magnetic Resonance (MR) imaging. Methods Twenty-six patients (23% women, mean age 56.8±13.4yr), with active (N=10) and controlled acromegaly (N=16) underwent a 3.0T MRI of the right knee. Osteophytes, cartilage defects, bone marrow lesions, and subchondral cysts were assessed by KOSS (Knee Osteoarthritis Scoring System)...
March 27, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28341329/body-mass-index-and-insulin-like-growth-factor-1-as-risk-factors-for-discordant-growth-hormone-and-insulin-like-growth-factor-1%C3%A2-levels-following-pituitary-surgery-in-acromegaly
#18
Shuo Zhang, Yilin Li, Xiaopeng Guo, Lu Gao, Wei Lian, Yong Yao, Ming Feng, Xinjie Bao, Renzhi Wang, Bing Xing
BACKGROUND: Growth hormone (GH)-secreting pituitary adenoma is a chronic disease characterized by excess levels of GH and insulin-like growth factor 1 (IGF-1). Based on our clinical experience and observations, we identified discordant GH and IGF-1 levels after surgery. The risk factors for this phenomenon are unclear, and individualized cure, control criteria, and management after surgery should be considered. PURPOSE: This study aims to investigate the factors affecting the discordant GH and IGF-1 levels after pituitary surgery in acromegalic patients...
March 21, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28332074/matrix-metalloproteinase-2-mmp-2-levels-are-increased-in-active-acromegaly-patients
#19
Alper Cagri Karci, Zeynep Canturk, Ilhan Tarkun, Berrin Cetinarslan
PURPOSE: During follow-up of acromegaly patients, there is a discordance rate of 30% between the measurements of growth hormone and insulin-like growth factor-1 levels. Further tests are required to determine disease activity in patients with discordant results. This study was planned to investigate an association of serum levels of matrix metalloproteinase-2, matrix metalloproteinase-9, and cathepsin B with disease activity in acromegaly patients. METHODS: In this study, 64 acromegaly patients followed in our clinic were divided into two groups according to the 2010 consensus criteria for cure of acromegaly as patients with active disease (n = 24) and patients with controlled disease (n = 40)...
March 22, 2017: Endocrine
https://www.readbyqxmd.com/read/28323966/persistent-reduction-of-circulating-myeloid-calcifying-cells-in-acromegaly-relevance-to-the-bone-vascular-axis
#20
Gian Paolo Fadini, Francesca Dassie, Roberta Cappellari, Mariasara Persano, Saula Vigili de Kreutzenberg, Chiara Martini, Matteo Parolin, Angelo Avogaro, Roberto Vettor, Pietro Maffei
Context: Acromegaly is a systemic disease characterized by persistent bone pathology and excess cardiovascular mortality. Despite multiple concomitant risk factors, atherosclerosis does not seem to be accelerated in acromegaly. Objective: To compare the levels of circulating myeloid calcifying cells (MCCs), which promote ectopic calcification and inhibit angiogenesis, in individuals with or without acromegaly. Design: Cross-sectional case-control study...
March 17, 2017: Journal of Clinical Endocrinology and Metabolism
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