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calcium supplement

N C Harvey, E Biver, J-M Kaufman, J Bauer, J Branco, M L Brandi, O Bruyère, V Coxam, A Cruz-Jentoft, E Czerwinski, H Dimai, P Fardellone, F Landi, J-Y Reginster, B Dawson-Hughes, J A Kanis, R Rizzoli, C Cooper
The place of calcium supplementation, with or without concomitant vitamin D supplementation, has been much debated in terms of both efficacy and safety. There have been numerous trials and meta-analyses of supplementation for fracture reduction, and associations with risk of myocardial infarction have been suggested in recent years. In this report, the product of an expert consensus meeting of the European Society for Clinical and Economic Aspects of Osteoporosis, Osteoarthritis and Musculoskeletal Diseases (ESCEO) and the International Foundation for Osteoporosis (IOF), we review the evidence for the value of calcium supplementation, with or without vitamin D supplementation, for healthy musculoskeletal ageing...
October 20, 2016: Osteoporosis International
Xuezhi Jiang
No abstract text is available yet for this article.
October 10, 2016: Menopause: the Journal of the North American Menopause Society
Catriona Boyd, Abdul Moodambail
We describe a case of a 4-year-old boy who presented with acute vomiting, weight loss, loss of appetite, polyuria and polydipsia. Initial investigations revealed a very elevated corrected calcium level which peaked at 4.46 mmol/L. He had a prior diagnosis of autism and his mother had consulted an alternative therapist who had recommended many supplements, including calcium and vitamin D. He required treatment with hyperhydration, calcitonin, furosemide and several doses of pamindronate before his calcium level returned to the normal range 2 weeks later...
October 6, 2016: BMJ Case Reports
Roghayeh Akbari, Bahram Adelani, Reza Ghadimi
BACKGROUND: Both vitamin D deficiency and hypertension are prevalent in the general population. Several observations indicate an association between vitamin D deficiency and high blood pressure. The present case-control study aimed to compare serum 25-hydroxyvitamin D (25-OHD) in hypertensive patients versus healthy controls. METHODS: One hundred patients aged 30-60 years with hypertension (HTN) and 100 healthy controls without history of hypertention were compared regarding serum 25-OHD...
2016: Caspian Journal of Internal Medicine
Adriana Van Ballegooijen
Cardiovascular disease and osteoporosis are major age-related causes of morbidity and premature death that occur among older adults. Emerging evidence suggests that calcium from bone is deposited in the arteries. This leads to calcification in valves and vessels, which is associated with a 3-4 fold higher risk of coronary heart disease. Calcium and vitamin D supplementation is frequently advised in older adults for the prevention of osteoporosis and to reduce the risk of fractures and falls. However, recent RCT's showed that individuals taking calcium and vitamin D were at higher risk of cardiovascular disease...
September 2016: Journal of Hypertension
Bin Wang, Qianqian Sun, Yingsha Li, Peng Li, Weijie Xia, Daoyan Liu, Zhiming Zhu
OBJECTIVE: Taurine, the most abundant, semiessential, sulfur-containing amino acid, is well known to improve metabolic status in animal models. However, no rigorous clinical trial has validated whether this beneficial effect of taurine occurs in human, especially in prehypertensive participants. DESIGN AND METHOD: In this randomized, double-blind, placebo-controlled study, we assessed the effects of taurine intervention on metabolic parameters, such as blood pressure (BP) levels, carotid intima-media thickness (IMT), ankle brachial index (ABI)/toe brachial index (TBI), BMI and biochemical parameters in prehypertensive participants...
September 2016: Journal of Hypertension
Adriana Van Ballegooijen, Natasja Van Schoor, Ingeborg Brouwer, Marjolein Visser, Joline Beulens
OBJECTIVE: Vitamin D plays an important role in calcium homeostasis. The role of vitamin D in bone and cardiovascular health has mainly been studied in isolation and the synergistic effect of vitamin D and vitamin K is largely unknown. We assessed whether serum 25-hydroxyvitamin D [25(OH)D] levels and dephosphorylated, uncarboxylated matrix Gla protein (dp-unMGP) levels -an established marker of vitamin K status- are associated with incident hypertension among older adults in the Netherlands...
September 2016: Journal of Hypertension
Fang-Fei Wei, Nadja E A Drummen, Lutgarde Thijs, Lotte Jacobs, Marjolein Herfs, Cynthia Van't Hoofd, Cees Vermeer, Jan A Staessen
Vitamin-K-dependent carboxylation of matrix Gla protein (MGP) protects the macrocirculation against calcification. We recently reported in a multiethnic population study that the estimated glomerular filtration rate, a microvascular trait, decreased and the risk of chronic kidney disease increased with higher circulating levels of inactive dephospho-uncarboxylated MGP, a marker of vitamin K deficiency. These findings highlighted the possibility that vitamin K might have a beneficial effect on the renal microcirculation...
September 2016: Pulse (Basel, Switzerland)
Sergio Mazzola Poli de Figueiredo, Andrea Olivares Magalhães, Patrícia Malafronte, José Ferraz de Souza, Yvoty Alves Santos Sens
High prevalence of hypovitaminosis D has been observed in patients with chronic kidney disease. However, there is not much data about its prevalence in kidney transplant recipients (KTRs). The study included 83 adult KTRs at a single center to calculate the prevalence of hypovitaminosis D. Among the 83 patients, those with incomplete data were excluded leaving 22 patients available for study. The demographic and biochemical data were analyzed retrospectively. Serum concentrations of 25-hydroxyvitamin D [25(OH)D], parathyroid hormone (PTH), phosphorus, calcium, and creatinine were evaluated...
September 2016: Saudi Journal of Kidney Diseases and Transplantation
Tereza Touskova, Magda Vytrisalova, Vladimir Palicka, Tereza Hendrychova, Yang-Ti Chen, Leos Fuksa
Background: Osteoporosis is a chronic disease and adherence can fluctuate over time. Therefore, longer observation is necessary to investigate the stability of patients' adherence. The study aim was to compare the overall adherence (OA) to supplementation with the fixed combination of calcium and vitamin D (Ca/D) in postmenopausal women at baseline and after 1 year, and to evaluate the fluctuation of the OA in individual months. Furthermore, we studied whether adherence is influenced by signing of informed consent and routine medical check-up...
2016: Frontiers in Pharmacology
Toshio Mori, Hiroko Kako, Tomoki Sumiya, Hirokazu Kawagishi, Hirofumi Hirai
A lactic acid (LA)-producing strain of the hyper-lignin-degrading fungus Phanerochaete sordida YK-624 with the lactate dehydrogenase-encoding gene from Bifidobacterium longum (Blldh) was constructed. When the endogenous pyruvate decarboxylase gene-knocked down and Blldh-expressing transformant was cultured with beech wood meal, the transformant was able to successively delignify and ferment the substrate. Supplementation of calcium carbonate into the culture medium, significantly increased the level of LA accumulation...
October 13, 2016: Journal of Biotechnology
Meherzia Mokni, Mohamed Amri, Ferid Limam, Ezzedine Aouani
In the present study, we investigated the effect of grape seed and skin supplement (GSSS), on lactating dairy ewes' production. Ten dairy pregnant ewes from northern Tunisia were allocated to two groups: control diet (C) and supplemented with 20 % (w/w) GSSS. The experiment lasted for 8 weeks and took place after 2 months of lambing. During the experiment, daily milk yield and milk composition were determined. Supplementation of the diet with GSSS increased milk production (P < 0.001), calcium (P < 0...
October 15, 2016: Tropical Animal Health and Production
Paige M Kulling, Kristine C Olson, Thomas L Olson, David J Feith, Thomas P Loughran
Commonly known for its critical role in calcium homeostasis and bone mineralization, more recently vitamin D has been implicated in haematological cancer pathogenesis and shows promise as an anti-cancer therapy. Serum levels of 25(OH)D3 , the precursor to the active form of vitamin D, calcitriol, are typically lower in patients with haematological disease compared to healthy individuals. This often correlates with worse disease outcome. Furthermore, diseased cells typically highly express the vitamin D receptor (VDR), which is required for many of the anti-cancer effects observed in multiple in vivo and in vitro cancer models...
October 15, 2016: European Journal of Haematology
Konstantinos A Economou, Dimitra Christopikou, Erika Tsorva, Stephen Davies, Minas Mastrominas, Haris Cazlaris, Michael Koutsilieris, Panagoula Angelogianni, Dimitris Loutradis
PURPOSE: Artificial oocyte activation using calcium ionophores and enhancement of embryonic developmental potential by the granulocyte-macrophage colony-stimulating factor (GM-CSF) have already been reported. In this study, we evaluated the synergistic effect of these two methods on aged human unfertilized oocytes after intracytoplasmic sperm injection (ICSI). Then, we cultured the resulting embryos to the blastocyst stage and screened them for chromosomal abnormalities, to assess the safety of this protocol...
October 14, 2016: Journal of Assisted Reproduction and Genetics
A Artuso, C Caimmi, G Tripi, O Viapiana, M Bonifacio, L Idolazzi, I Gavioli, D Gatti, R Zanotti, M Rossini
Systemic Mastocytosis has been long identified as a potential cause of osteoporosis; nevertheless, data regarding longitudinal variation of bone mineral density (BMD) in patients with indolent systemic mastocytosis (ISM) are missing . We studied BMD variation at lumbar spine and proximal hip after 30-month (±6 months) follow-up in a large cohort of patients (83) with ISM without osteoporosis, supplementated with vitamin D and/or calcium when needed. We also analyzed the correlation between variation of BMD, basal serum tryptase levels and bone turnover markers (BTM)...
October 14, 2016: Calcified Tissue International
Emmanuel Richard, Jean-Marc Blouin, Jerome Harambat, Brigitte Llanas, Stephane Bouchet, Cecile Acquaviva, Renaud De la Faille
We report the case of a 78-year-old patient with late diagnosis of hyperoxaluria type III (PH3). He developed renal failure after nephrectomy for clear cell papillary renal carcinoma and complained of recurrent urolithiasis for some 30 years whose etiology was never identified. Biochemical laboratory investigations of urine and urolithiasis composition revealed marked hyperoxaluria but normal levels of urinary glyceric and glycolic acid as well as stones of idiopathic calcium-oxalate appearance. Furthermore, the dietary survey showed excessive consumption of food supplements containing massive amounts of oxalate precursors...
October 13, 2016: Annals of Clinical Biochemistry
Weibin Zhou, Min Chen
INTRODUCTION: Parathyroid crisis due to ectopic parathyroid adenomas can pose diagnostic and management challenges, since it is quite rare in clinical practice. CLINICAL FINDINGS/PATIENT CONCERNS: A 67-year-old Chinese male presented as a parathyroid crisis due to an ectopic mediastinal parathyroid adenoma with his serum calcium and PTH markedly increased in short time. An ultrasonography and computed tomography (CT) scan of the neck did not reveal any parathyroid adenoma...
October 2016: Medicine (Baltimore)
Rodrigo Nolasco, Linda D F Moreira, Danilo S Bocalini, Fernanda C A O Fronza, Rosangela Villa Marin, Marise Lazaretti-Castro
Objective: This study sought to investigate the effects of vitamin D supplementation and aquatic exercise on pulmonary function in postmenopausal women. Materials and methods: This prospective and controlled study included 104 women (62 ± 6.5 years) divided into three groups: a control group lacking vitamin D and calcium supplementation which remained sedentary (CG; n = 17); a control group receiving vitamin D and calcium supplementation which remained sedentary (CDG, n = 33); and a group that completed aquatic exercises three times a week and received vitamin D and calcium supplementation (DTG, n = 54)...
October 10, 2016: Archives of Endocrinology and Metabolism
Jian Zhao, Yun Zhao, Colin W Binns, Andy H Lee
The calcium supplementation status during the postpartum period among Chinese lactating women is still unclear. The objective of this study is to utilize data from two population-based prospective cohort studies to examine the calcium supplementation status and to identify whether breastfeeding is associated with increased calcium supplementation among Chinese mothers after child birth. Information from 1540 mothers on breastfeeding and calcium supplementation measured at discharge, 1, 3, and 6 months postpartum were extracted to evaluate the association between breastfeeding and calcium supplementation postpartum...
October 9, 2016: Nutrients
Ping Li, Chaonan Fan, Yuanyuan Lu, Kemin Qi
BACKGROUND: Whether calcium supplementation can reduce body weight and prevent obesity remains unclear because of inconsistent reports. OBJECTIVE: We performed a meta-analysis to investigate the correlations between calcium supplementation and changes in body weight on the basis of age, sex, body mass index (BMI) of the subjects, and length of calcium intervention. DESIGN: PubMed, EMBASE, Web of Knowledge, and China National Knowledge Infrastructure databases were systematically searched to select relevant studies that were published from January 1994 to March 2016...
October 12, 2016: American Journal of Clinical Nutrition
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