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Osteoporosis calcium

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https://www.readbyqxmd.com/read/28719447/diffuse-increased-sodium-fluoride-gastric-activity-in-a-patient-with-hypercalcemia
#1
Fuqiang Shao, Shumao Zhang, Chi Qi, Yu Wang, Yue Chen
Increased extraosseous uptake of sodium fluoride can be visualized because of many different etiologies. A 62-year-old man with a history of osteoporosis had an F-sodium fluoride PET/CT scan for accessing chest pain caused by an accident. The images showed multiple fractures. Unexpectedly, diffuse activity was noted in the gastric wall, which was suggestive of possible hypercalcemia. The serum calcium level confirmed the patient had hypercalcemia.
July 17, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28718587/-drugs-induced-osteopathies
#2
Bérengère Aubry-Rozier
Drug induced bone diseases concerns : induced osteoporosis, induced osteomalacia (by loss of calcium, phosphate or vitamin D) and induced sarcopenia. Some of these drugs are well known, such as anti-hormones, corticotherapy (which could induce all of osteoporosis, osteomalacia and sarcopenia). In the present article, we will focus on 3 others less known but frequently used drugs : iron replacement, proton pump inhibitors therapy, and serotonin reuptake inhibitor antidepressants treatment. For each of them we will discuss the pathophysiological mechanism leading to bone fragility as well as the recommendations of prevention / management to be proposed in case of absolute necessity of the treatment...
March 8, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28714404/current-and-emerging-strategies-in-osteoporosis-management
#3
Stefka Ivanova, Liliya Vasileva
The abnormal loss of bone tissue is defined as osteoporosis. Increased risk of fractures, low bone mineral density (BMD) and loss of the structural and biomechanical properties of the bone tissue characterize this pathological condition. Physiologically bone undergoes a continuous remodeling process involving balance between the activity of osteoblast and osteoclast. Disruption in this balanced condition increases the risk of osteoporosis. Both sexes are affected, but with higher prevalence in women after menopause...
July 14, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28708471/use-of-bisphosphonates-and-risk-of-breast-cancer-in-a-french-cohort-of-postmenopausal-women
#4
Agnès Fournier, Sylvie Mesrine, Amandine Gelot, Guy Fagherazzi, Laura Baglietto, Françoise Clavel-Chapelon, Marie-Christine Boutron-Ruault, Nathalie Chabbert-Buffet
Purpose To assess whether bisphosphonate (BP) use is associated with decreased breast cancer incidence in a cohort of postmenopausal women. Methods The study population included 64,438 postmenopausal women participating in the French E3N (Etude Epidémiologique auprès de femmes de la Mutuelle Générale de l'Education Nationale) prospective cohort, with data self-reported in biennial questionnaires matched with data from a drug reimbursement database. Exposure to BPs and the use of other osteoporosis treatments during follow-up were determined using reimbursement data...
July 14, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28706360/osteoporosis-prevention-and-management
#5
Muralidhar V Pai
Osteoporosis, defined by BMD at the hip or lumbar spine that is less than or equal to 2.5 standard deviations below the mean BMD of a young-adult reference population, is the most common bone disease in humans affecting both sexes and all races. It's a silent killer affecting the quality of life due to fractures and postural changes. In osteoporosis there is an imbalance between bone formation and bone resorption in favor of latter. Preventive measures and treatments are available to combat this evil. Counseling is the integral part of prevention as well as treatment of osteoporosis...
August 2017: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/28702941/an-application-of-partial-least-squares-for-identifying-dietary-patterns-in-bone-health
#6
Tiffany C Yang, Lorna S Aucott, Garry G Duthie, Helen M Macdonald
In a large cohort of older women, a mechanism-driven statistical technique for assessing dietary patterns that considers a potential nutrient pathway found two dietary patterns associated with lumbar spine and femoral neck bone mineral density. A "healthy" dietary pattern was observed to be beneficial for bone mineral density. INTRODUCTION: Dietary patterns represent a broader, more realistic representation of how foods are consumed, compared to individual food or nutrient analyses. Partial least-squares (PLS) is a data-reduction technique for identifying dietary patterns that maximizes correlation between foods and nutrients hypothesized to be on the path to disease, is more hypothesis-driven than previous methods, and has not been applied to the study of dietary patterns in relation to bone health...
December 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28698808/vitamins-k1-and-k2-the-emerging-group-of-vitamins-required-for-human-health
#7
REVIEW
Gerry Kurt Schwalfenberg
OBJECTIVE: To review the evidence for the use of vitamin K supplementation in clinical conditions such as osteoporosis, vascular calcification, arthritis, cancer, renal calculi, diabetes, and warfarin therapy. QUALITY OF EVIDENCE: PubMed was searched for articles on vitamin K (K1 and K2) along with books and conference proceedings and health conditions listed above. Level I and II evidence supports the use of vitamins K1 and K2 in osteoporosis and Level II evidence supports vitamin K2 in prevention of coronary calcification and cardiovascular disease...
2017: Journal of Nutrition and Metabolism
https://www.readbyqxmd.com/read/28698566/evaluation-of-osteogenesis-and-angiogenesis-of-icariin-in-local-controlled-release-and-systemic-delivery-for-calvarial-defect-in-ovariectomized-rats
#8
Yuqiong Wu, LingYan Cao, Lunguo Xia, Qianju Wu, Jie Wang, Xiao Wang, Lianyi Xu, Yuning Zhou, Yuanjin Xu, Xinquan Jiang
Typically, bone regenerative medicine is applied to repair bone defects in patients with osteoporosis. Meanwhile, there is an urgent need to develop safe and cheap drugs that induce bone formation. Icariin, which is reported to promote the osteogenesis of stem cells in vitro, is the main active component of Herba Epimedii. However, whether icariin could repair bone defects caused by osteoporosis remains unknown. In this study, an osteoporosis model in rats was established by an ovariectomy first, and then, the osteogenic and angiogenic differentiation of bone mesenchymal stem cells (BMSCs) treated with icariin was evaluated...
July 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28698163/selective-effect-of-hydroxyapatite-nanoparticles-on-osteoporotic-and-healthy-bone-formation-correlates-with-intracellular-calcium-homeostasis-regulation
#9
Rui Zhao, Pengfei Xie, Kun Zhang, Zhurong Tang, Xuening Chen, Xiangdong Zhu, Yujiang Fan, Xiao Yang, Xingdong Zhang
Adequate bone substitutes osseointegration has been difficult to achieve in osteoporosis. Hydroxyapatite of the osteoporotic bone, secreted by pathologic osteoblasts, had a smaller crystal size and lower crystallinity than that of the normal. To date, little is known regarding the interaction of synthetic hydroxyapatite nanoparticles (HANPs) with osteoblasts born in bone rarefaction. The present study investigated the biological effects of HANPs on osteoblastic cells derived from osteoporotic rat bone (OVX-OB), in comparison with the healthy ones (SHM-OB)...
July 8, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28695804/effects-of-enhanced-exercise-and-combined-vitamin-d-and-calcium-supplementation-on-muscle-strength-and-fracture-risk-in-postmenopausal-chinese-women
#10
Yu Xue, Yingying Hu, Ou Wang, Chunyan Wang, Guiyan Han, Qiang Shen, Hongyue Deng, Yan Jiang, Mei Li, Weibo Xia, Xiaoping Xing, Ling Xu
Objective To observe the effects of enhanced exercise and combined vitamin D and calcium supplementation on muscular strength and fracture occurrence in postmenopausal women with a high risk of osteoporosis.Methods Totally 614 postmenopausal women at high risk factors of osteoporosis were enrolled in Dongcheng district of Beijing and randomized into four groups:group A(control group,n=173),group B(regular Tai Chi exercise,n=171),group C(calcium 600 mg/d+VitD3 800 U/d,n=139),and group D[calcium 600 mg/d+25 hydroxyl vitamin D(25OHD) 0...
June 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28693327/in-situ-examination-of-osteoblast-biomineralization-on-sulfonated-polystyrene-modified-substrates-using-fourier-transform-infrared-microspectroscopy
#11
Yizhi Meng, Meghan E Faillace, Kathryn Dorst, Samantha J Palmaccio, Lisa M Miller, Yi-Xian Qin
Osteoporosis is a skeletal disorder that is characterized by the loss of bone mineral density (BMD) resulting in increased risk of fracture. However, it has been shown that BMD is not the only indicator of fracture risk, as the strength of bone depends on a number of factors, including bone mass, architecture and material properties. Physiological mineral deposition requires the formation of a properly developed extracellular matrix (ECM), which recruits calcium and phosphate ions into the synthesis of apatite crystals...
July 10, 2017: Biointerphases
https://www.readbyqxmd.com/read/28690468/bone-mineral-density-response-from-teriparatide-in-patients-with-osteoporosis
#12
So-Young Kim, Meng Zhang, Richard Bockman
BACKGROUND: A review of data from large clinical trials reported more than 90% of subjects significantly improved their bone mineral density (BMD) at the lumbar spine (LS) with teriparatide (TPTD) (bone 39:1268-1275, 1). However, our clinical experience suggests that many patients may be non-responders, raising questions as to the true efficacy of TPTD in improving BMD in osteoporotic patients. QUESTIONS/PURPOSES: The purpose of the study is to determine the rate of improvement in BMD following 18-24 months of teriparatide (TPTD) in patients with osteoporosis within an orthopedic hospital setting...
July 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28689769/osteoporosis-treatment-recent-developments-and-ongoing-challenges
#13
REVIEW
Sundeep Khosla, Lorenz C Hofbauer
Osteoporosis is an enormous and growing public health problem. Once considered an inevitable consequence of ageing, it is now eminently preventable and treatable. Ironically, despite tremendous therapeutic advances, there is an increasing treatment gap for patients at high fracture risk. In this Series paper, we trace the evolution of drug therapy for osteoporosis, which began in the 1940s with the demonstration by Fuller Albright that treatment with oestrogen could reverse the negative calcium balance that developed in women after menopause or oophorectomy...
July 6, 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/28688497/theory-based-osteoporosis-prevention-education-and-counseling-program-for-women-a-randomized-controlled-trial
#14
Aslı Kalkım, Şafak Dağhan
PURPOSE: The purpose of this research was to investigate the effect of an osteoporosis prevention program based on the Health Belief Model for women between the ages of 30 years and 45 years at risk of osteoporosis. METHODS: This study was conducted with randomized control group pretest, post-test and follow-up trial. Intervention group (n = 37) and control group (n = 36) participated in the research. Data were collected using a sociodemographic data questionnaire, the Osteoporosis Knowledge Test, the Osteoporosis Health Belief Scale, the Osteoporosis Self-efficacy Scale, a monitoring form for estimated dairy calcium intake, and a monitoring form for estimated weekly exercise...
June 2017: Asian Nursing Research
https://www.readbyqxmd.com/read/28686649/survey-on-the-levels-of-25-hydroxy-vitamin-d-and-bone-metabolic-markers-and-evaluation-of-their-correlations-with-osteoporosis-in-perimenopausal-woman-in-xi-an-region
#15
Ping Zhou, Jian Hu, Ping Xi, Ning Zhang, Bo Yang, Jie Zheng, Xiaoqin Wang
It has been accepted that vitamin D (VD) plays an important role in bone metabolism. However, the levels of VD in people of different regions are quite different and there is still no final conclusion on the significant correlation between VD and osteoporosis. 245 cases of peri-menopausal women were collected to study the relationship between VD and osteoporosis in western China. The mean value of 25-hydroxyvitamin D for the participants was 14.39 ng/mL. The average values of parathyroid hormone (PTH), calcium (Ca) and phosphorus (P) were 47...
2017: PloS One
https://www.readbyqxmd.com/read/28686517/clinical-update-osteoporosis-management
#16
Pelin Batur, Sheila Rice, Paola Barrios, Andrea Sikon
The clinical update serves as a brief review of recently published, high-impact, and potentially practice changing journal articles summarized for our readers. Topics include menopause, sexual dysfunction, breast health, contraception, osteoporosis, and cardiovascular disease. In this clinical update, we selected recent publications relevant to osteoporosis management. We highlight articles on the safety of long-term use of denosumab and bisphosphonates, fracture risk after discontinuing menopausal hormone therapy, calcium intake and cardiovascular risk, as well as the value of repeat dual X-ray absorptiometry scanning to monitor those on osteoporosis treatment...
July 7, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28685537/effect-of-xianling-gubao-capsules-on-bone-mineral-density-in-osteoporosis-patients
#17
Z H Wu, X Zhu, C K Xu, Y J Chen, L Zhang, C L Zhang
This paper aimed to analyze the clinical effects of Xianling Gubao capsules on the bone mineral density (BMD) of 94 patients with osteoporosis. After reviewing and analyzing the clinical information in our hospital from January 2015 to January 2016, the patients were divided into a control group and a treatment group with 47 cases in each group. Patients in the control group were treated with routine Western medicine, while the treatment group received Xianling Gubao capsules. Both groups were treated continuously for 3 courses (30 days each course) and had their BMD analyzed and compared...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28684335/structural-and-physico-chemical-analysis-of-calcium-strontium-substituted-near-invert-phosphate-based-glasses-for-biomedical-applications
#18
U Patel, R M Moss, K M Z Hossain, A R Kennedy, E R Barney, I Ahmed, A C Hannon
Neutron diffraction, (23)Na and (31)P NMR and FTIR spectroscopy have been used to investigate the structural effects of substituting CaO with SrO in a 40P2O5·(16-x)CaO·20Na2O·24MgO·xSrO glass, where x is 0, 4, 8, 12 and 16 mol%. The (31)P solid-state NMR results showed similar amounts of Q(1) and Q(2) units for all of the multicomponent glasses investigated, showing that the substitution of Sr for Ca has no effect on the phosphate network. The M-O coordinations (M= Mg, Ca, Sr, Na) were determined for binary alkali and alkaline earth metaphosphates using neutron diffraction and broad asymmetric distributions of bond length were observed, with coordination numbers that were smaller and bond lengths that were shorter than in corresponding crystals...
July 3, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28683234/long-term-bone-health-after-roux-en-y-gastric-bypass-a-pilot-study
#19
Fiona Jackson Cook, Ila Khanna, Jennifer Giordano, Laura Matarese, Suzanne Hudson
OBJECTIVE: This cross sectional study was undertaken to assess metabolic bone disease by examining bone mineral density (BMD), fracture prevalence, and nutritional factors pertinent to bone in a cohort >9 years post Roux-en-Y gastric bypass (RYGB). METHODS: Fifty one subjects 9.4-36.0 years (mean 17.0 +8.1) post RYGB provided a focused history. Dietary calcium and protein were assessed. Dual energy X ray absorptiometry (DXA) BMD at the spine, hip, and radius and routine serum chemistries, magnesium, phosphorus, parathyroid hormone, vitamin D, vitamin K, and micronutrients were analyzed...
July 6, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28680788/profile-of-abaloparatide-and-its-potential-in-the-treatment-of-postmenopausal-osteoporosis
#20
REVIEW
Sri Harsha Tella, Anuhya Kommalapati, Ricardo Correa
Abaloparatide (previously known as BA058) is a synthetic 34-amino acid peptide and novel selective activator of parathyroid hormone receptor 1 (PTHR1) currently under development as a new anabolic agent in the management of osteoporosis. This paper reviews the profile and potential of abaloparatide in the treatment of postmenopausal osteoporosis. This paper is based on clinical trials and a PubMed search. Search terms used were "abaloparatide", "BA058", and "PTHrP". This review outlines the effects of this anabolic PTHR1 activator, which increases bone mineral density in patients at high risk for osteoporosis...
May 31, 2017: Curēus
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