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https://www.readbyqxmd.com/read/29048521/sclerostin-and-chronic-kidney-disease-the-assay-impacts-what-we-thought-to-know
#1
Pierre Delanaye, François Paquot, Antoine Bouquegneau, Frank Blocki, Jean-Marie Krzesinski, Pieter Evenepoel, Hans Pottel, Etienne Cavalier
Background: Sclerostin, a 22-kDa protein secreted by osteocytes, acts as a potent inhibitor of osteoblast activity. In chronic kidney disease (CKD), sclerostin is a putative driver of the bone-vascular axis. However, large discrepancies between sclerostin assays have been described. Methods: We compared four different assays [Biomedica (BM), TecoMedical (TE), R&D (RD) and MesoScaleDiscovery (MSD)] in an analytical study and addressed the question whether bioassay choice affects the correlation between circulating sclerostin and clinical and biochemical determinants...
October 18, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29044707/the-effect-of-vitamin-d-supplementation-on-bone-metabolic-markers-in-chronic-kidney-disease
#2
Ashok Kumar Yadav, Vivek Kumar, Vinod Kumar, Debasish Banerjee, Krishan Lal Gupta, Vivekanand Jha
Use of active forms of vitamin D is advocated in CKD patients for treatment of mineral bone disease because of the presumption that native forms of vitamin D would not undergo significant activation to calcitriol, the most active biological form of vitamin D. We present secondary analysis looking at bone turnover in subjects who completed the randomized, double blind, placebo controlled trial investigating the effect of cholecalciferol supplementation on vascular function in non-diabetic CKD stage G3-4 and vitamin D ≤20ng/ml [CTRI/2013/05/003648]...
October 17, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29026419/effect-of-vitamin-d-deficiency-treatment-on-thyroid-function-and-autoimmunity-markers-in-hashimoto-s-thyroiditis-a-double-blind-randomized-placebo-controlled-clinical-trial
#3
Parichehr Vahabi Anaraki, Ashraf Aminorroaya, Massoud Amini, Fatemeh Momeni, Awat Feizi, Bijan Iraj, Azamosadat Tabatabaei
BACKGROUND: The link between autoimmune thyroid diseases and Vitamin D deficiency has been reported. However, there are controversies in this regard. We conducted a double-blind randomized placebo-controlled clinical trial to investigate the effect of Vitamin D deficiency treatment on thyroid function and autoimmunity marker (thyroid peroxidase antibody [TPO-Ab]) in patients with Hashimoto's thyroiditis. MATERIALS AND METHODS: Fifty-six patients with Hashimoto's thyroiditis and Vitamin D deficiency (25-hydroxyvitamin D level ≤20 ng/mL) were randomly allocated into two groups to receive Vitamin D (50000 IU/week, orally) or placebo for 12 weeks, as Vitamin D-treated (n = 30) and control (n = 26) groups, respectively...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/29022989/prophylactic-intravenous-calcium-therapy-for-exchange-blood-transfusion-in-the-newborn
#4
REVIEW
Tinuade A Ogunlesi, Foluso Ea Lesi, Olabisi Oduwole
BACKGROUND: Exchange blood transfusion (EBT) is a form of whole blood transfusion in which the total blood volume is replaced within a few hours. In perinatal and neonatal medicine, EBT is most often used in the management of severe anaemia or severe hyperbilirubinaemia in the first week of life. Hypocalcaemia, one of the common morbidities associated with EBT, is thought to arise from the chelating effects of the citrate commonly used as an anticoagulant in the donor's blood. This disorder manifests with muscular and nervous irritability and cardiac arrhythmias...
October 12, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28993832/-diagnostics-and-treatment-of-primary-hyperparathyroidism
#5
C Nies
Primary hyperparathyroidism is a disease that occurs more frequently than generally thought and is often overlooked. Classical symptoms are bone pain and osteoporosis, renal calculi and peptic ulcers. Many patients are asymptomatic or have unspecific complaints. It is easy to establish the biochemical diagnosis based on calcium and parathormone (PTH) levels and 24-h urine calcium excretion. The most sensitive localization procedures for parathyroid adenomas are sonography and Tc-99(m)-MIBI scintigraphy. The indication for surgery is undisputed in symptomatic patients; however, there is controversy concerning patients without classical symptoms...
October 9, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28991359/association-between-the-gut-microbiota-and-mineral-metabolism
#6
REVIEW
Katarzyna Skrypnik, Joanna Suliburska
The aim of this review is to present the most recent scientific evidence of interactions between the intestinal microbiota and minerals, and the effect of this interaction on the health of the host. The Web of Science database from the years 2013-2017 on this topic was reviewed. Numerous in vitro studies have shown that iron significantly affects the intestinal microbiota. However, Bifidobacteriaceae are capable of binding iron in the large intestine, thereby limiting the formation of free radicals synthesized in the presence of iron, and thus reducing the risk of colorectal cancer...
October 9, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28985731/screening-for-celiac-disease-in-poorly-controlled-type-2-diabetes-mellitus-worth-it-or-not
#7
Muhammed Kizilgul, Ozgur Ozcelik, Selvihan Beysel, Hakan Akinci, Seyfullah Kan, Bekir Ucan, Mahmut Apaydin, Erman Cakal
BACKGROUND: Recent studies have demonstrated that immune factors might have a role in the pathophysiology of insulin resistance and type 2 diabetes mellitus (T2DM). Inappropriate glycemic control in patients with T2DM is an important risk factor for the occurrence of diabetes complications. The prevalence of celiac disease (CD) is high in type 1 diabetes mellitus however, there are scarce data about its prevalence in T2DM. Our aim was to investigate the prevalence of celiac disease among insulin-using type 2 diabetes patients with inappropriate glycemic control...
October 6, 2017: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/28975108/comparing-the-values-of-intact-parathormone-and-1-84-pth-to-predict-hyperparathyroidism-in-hemodialysis-patients
#8
Aria Jenabi, Mosadegh Jabbari, Hossein Ziaie
BACKGROUND: Secondary hyperparathyroidism (SHPT) is a common complication of chronic kidney disease (CKD) leading high mortality and even long-term morbidity. SHPT is manifested by elevation of parathyroid hormone (PTH) and accurate determining the level of serum PTH is very essential for early diagnosis of SHPT secondary to CKD. It is very important to match the values obtained for intact parathormone (iPTH) and 1- 84 PTH with the minimized measurement bias. OBJECTIVES: The present study aimed to first determine the agreement value between the iPTH and 1- 84 PTH measures in patients with hyperparathyroidism secondary to endstage renal disease under chronic hemodialysis...
July 2017: Journal of Nephropathology
https://www.readbyqxmd.com/read/28956807/long-term-therapy-outcomes-when-treating-chronic-kidney-disease-patients-with-paricalcitol-in-german-and-austrian-clinical-practice-top-study
#9
Nicholas Obermüller, Alexander R Rosenkranz, Hans-Walter Müller, Dennis Hidde, András Veres, Sabine Decker-Burgard, Isolde Weisz, Helmut Geiger
Paricalcitol is approved for prevention and therapy of secondary hyperparathyroidism (sHPT) in patients with chronic kidney disease (CKD), with only short-term data in clinical routine settings. A 12-month observational study was conducted in Germany and Austria (90 centers, 761 patients) from 2008 to 2013. Laboratory values, demographical, and clinical data were documented in 629 dialysis patients and 119 predialysis patients. In predialysis patients, median intact parathormone (iPTH) was 180.0 pg/mL (n = 105) at the start of the study, 115...
September 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28948825/vitamin-d-supplementation-changed-relationships-not-levels-of-metabolic-hormonal-parameters-in-autoimmune-thyroiditis
#10
K Vondra, R Bílek, P Matucha, M Salátová, M Vosátková, L Stárka, R Hampl
In women with chronic autoimmune thyroiditis and vitamin D deficiency we have found reference levels of relevant metabolic-hormonal parameters except for parathormone and total calcium. Three months supplementation with vitamin D (4300 IU/day, cholekalciferol) did not lead to significant changes of investigated hormonal parameters, while the levels of parathormone and calcium reached normal levels. However, a correlation analysis revealed marked changes in mutual relations. First, an inverse correlation of vitamin D with parathormone, insulin secretion (C peptide, insulin) and its efficiency (HOMA IR) disappeared...
September 26, 2017: Physiological Research
https://www.readbyqxmd.com/read/28948818/new-molecules-modulating-bone-metabolism-new-perspectives-in-the-treatment-of-osteoporosis
#11
I Zofkova, J Blahos
In this review the authors outline traditional antiresorptive pharmaceuticals, such as bisphosphonates, monoclonal antibodies against RANKL, SERMs, as well as a drug with an anabolic effect on the skeleton, parathormone. However, there is also a focus on non-traditional strategies used in therapy for osteolytic diseases. The newest antiosteoporotic pharmaceuticals increase osteoblast differentiation via BMP signaling (harmine), or stimulate osteogenic differentiation of mesenchymal stem cells through Wnt/beta-catenin (icarrin, isoflavonoid caviunin, or sulfasalazine)...
September 26, 2017: Physiological Research
https://www.readbyqxmd.com/read/28948161/restless-legs-syndrome-is-contributing-to-fatigue-and-low-quality-of-life-levels-in-hemodialysis-patients
#12
Christoforos D Giannaki, Michael Hadjigavriel, Akis Lazarou, Aristos Michael, Loukas Damianou, Efthimios Atmatzidis, Ioannis Stefanidis, Georgios M Hadjigeorgiou, Giorgos K Sakkas, Marios Pantzaris
AIM: To examine whether hemodialysis (HD) patients with restless legs syndrome (RLS) are subjects of greater fatigue and impaired quality of life (QoL) compared to HD patients without RLS. METHODS: Eighty five stable HD patients participated in this study. According to their RLS status, the patients were divided into the RLS group (n = 23) and the non-RLS group (n = 62). QoL, fatigue, sleep quality, daily sleepiness and depression symptoms were assessed by using various questionnaires...
September 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28902232/advanced-glycation-end-products-ages-accumulation-in-skin-relations-with-chronic-kidney-disease-mineral-and-bone-disorder
#13
Renata de Almeida França, André de Barros Albuquerque Esteves, Cynthia de Moura Borges, Kélcia Rosana da Silva Quadros, Luiz Carlos Nogueira Falcão, Jacqueline Costa Teixeira Caramori, Rodrigo Bueno de Oliveira
Introduction: Chronic kidney disease (CKD) is associated with high morbidity and mortality rates, main causes related with cardiovascular disease (CVD) and bone mineral disorder (CKD-BMD). Uremic toxins, as advanced glycation end products (AGEs), are non-traditional cardiovascular risk factor and play a role on development of CKD-BMD in CKD. The measurement of skin autofluorescence (sAF) is a noninvasive method to assess the level of AGEs in tissue, validated in CKD patients. Objective: The aim of this study is analyze AGEs measured by sAF levels (AGEs-sAF) and its relations with CVD and BMD parameters in HD patients...
August 28, 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/28898616/the-calcium-phosphorus-homeostasis-in-chronic-kidney-disease-from-clinical-epidemiology-to-pathophysiology
#14
Ana Pires, Luis Sobrinho, Hugo Gil Ferreira
INTRODUCTION: A simple data filtering process together with some basic concepts of control theory applied to electronically stored clinical data were used to identify some of the pathophysiological mechanisms underlying the perturbations of the calcium/phosphorus homeostasis in chronic kidney disease. MATERIAL AND METHODS: Retrospective data (a set per patient of serum single value concentrations of creatinine, calcium, phosphorus, parathormone, 25-hydroxyvitamin D and 1,25-dihydroxyvitamin D) from 2507 patients with stable chronic kidney disease not on renal replacement therapy were studied...
June 30, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28857533/-prophylactic-thyroidectomy-in-ret-proto-oncogen-mutation
#15
L Rodríguez Caraballo, J Gómez-Chacón Villalba, P Rodríguez Iglesias, J Cortés Sáez, F Moreno Macián, A Marco Macián, J J Vila Carbó
OBJECTIVE: Analysis of prophylactic thyroidectomy cases carried out in our Center in patients with RET gene mutations. MATERIAL AND METHODS: Retrospective study of 25 patients with RET proto-oncogene mutations subjected to prophylactic thyroidectomy between January 2000 and January 2016. Epidemiologic variables, surgical technique, histological results and follow-up were studied. RESULTS: Our sample consists of 25 patients, 15 males and 10 females...
April 20, 2017: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
https://www.readbyqxmd.com/read/28846459/calcifediol-to-treat-secondary-hyperparathyroidism-in-patients-with-chronic-kidney-disease
#16
REVIEW
Andrea Galassi, Antonio Bellasi, Paola Ciceri, Francesca Pivari, Ferruccio Conte, Mario Cozzolino
Deranged vitamin D metabolism represents an active trigger of secondary hyperparathyroidism (SHPT) in CKD. Correction of 25(OH)D deficiency by nutritional Vitamin D administration is suggested by KDIGO guidelines, to prevent and treat SHPT in CKD stage G3-G5 and G1T-G5T patients, although with a still inconsistent background. Nutritional vitamin D is available as cholecalciferol, ergocalciferol, or calcifediol. Superiority of calcifediol in increasing 25(OH)D levels has been suggested due to its better bioavailability...
October 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28840128/calcium-phosphate-product-is-associated-with-subclinical-carotid-atherosclerosis-in-type-2-diabetes
#17
Anna Ramírez-Morros, Minerva Granado-Casas, Nuria Alcubierre, Montserrat Martinez-Alonso, Jordi Real, Esmeralda Castelblanco, Aureli Esquerda, Gonzalo Cao, Esther Rubinat, Marta Hernández, Núria Alonso, Elvira Fernández, Didac Mauricio
AIMS: To assess whether circulating 25-hydroxyvitamin D3 (25OHD) and mineral metabolism-related factors (serum phosphate, calcium, and parathormone) are associated with subclinical carotid atherosclerosis (SCA), defined as the presence of carotid atherosclerotic plaques (main study outcome), in patients with type 2 diabetes mellitus (T2DM) without kidney disease or previous cardiovascular disease. METHODS: We undertook a post hoc analysis of a cross-sectional study in adults with T2DM in whom we evaluated SCA...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28805198/severe-reversible-hypocalcemic-cardiomyopathy-diagnosed-36-years-after-subtotal-thyroidectomy-a-case-report
#18
Waldemar Elikowski, Małgorzata Małek-Elikowska, Patrycja Lachowska-Kotowska
Chronic hypocalcemia, irrespectively of its etiology, can lead to severe impairment of the left ventricular (LV) contractility manifesting as dilated cardiomyopathy, usually defined as hypocalcemic cardiomyopathy (hypocaCM). This rarely diagnosed type of heart failure (HF), can be completely reversible, when treated properly with calcium and vitamin D supplementation or, in some subjects, with human recombinant parathormone. A CASE REPORT: The authors present a case of a 60-year-old male admitted with advanced pulmonary congestion, recurrent pulmonary edema and pleural effusion...
July 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28803689/sun-exposure-influences-the-prognostic-power-of-components-of-mineral-metabolism-in-patients-with-coronary-artery-disease
#19
MULTICENTER STUDY
A Aceña, J A Franco-Peláez, C Gutierrez-Landaluce, A M Pello, C Cristóbal, N Tarín, A Huelmos, R Carda, M L Martín-Mariscal, J Alonso, E González-Parra, M L González-Casaus, Ó Lorenzo, L López Bescos, J Egido, J Tuñón
BACKGROUND AND AIM: Calcidiol (vitamin D metabolite) plasma levels vary with sun exposure (SE). However, it is not known if SE influences its prognostic ability. We have studied the effect of SE on plasma levels of the components of mineral metabolism (calcidiol, fibroblast growth factor-23 [FGF-23], parathormone [PTH], and phosphate [P]) and on their prognostic value in patients with coronary artery disease (CAD). METHODS AND RESULTS: We studied prospectively 704 patients with stable CAD...
September 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/28770447/the-effect-of-primary-hyperparathyroidism-on-pancreatic-exocrine-function
#20
P Sisman, M Avci, A Akkurt, A B Sahin, O O Gul, C Ersoy, E Erturk
BACKGROUND: Elastase-1 is a proteolytic enzyme secreted by pancreatic acinar cells, and measurements of the concentration this enzyme are used to evaluate pancreatic exocrine function. We aimed to determine whether pancreatic exocrine function declines due to chronic hypercalcemia by measuring fecal elastase levels. METHODS: 75 patients with primary hyperparathyroidism (18 men and 47 women) and 30 healthy subjects (11 men and 19 women) participated in this study...
August 2, 2017: Journal of Endocrinological Investigation
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