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osteoporosis and vitamin d

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https://www.readbyqxmd.com/read/29774416/restoration-of-proximal-periprosthetic-bone-loss-by-denosumab-in-cementless-total-hip-arthroplasty
#1
Satoshi Nagoya, Kenji Tateda, Shunichiro Okazaki, Ima Kosukegawa, Junya Shimizu, Toshihiko Yamashita
Denosumab contributed to the restoration of proximal periprosthetic bone loss around the femoral stem that were measured using a DEXA, especially in zone 7, at 1 year after cementless THA in elderly osteoporotic patients. INTRODUCTION: Although bone quality is an important issue in elderly osteoporotic patients who underwent total hip arthroplasty (THA) with a cementless stem, periprosthetic bone mineral density (BMD) in the proximal femur has been reported to be decreased by 15-40% postoperatively...
May 17, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29770222/recurrent-vertebral-fractures-in-a-young-adult-a-closer-look-at-bone-health-in-type-1-diabetes-mellitus
#2
Eleanor P Thong, Sarah Catford, Julie Fletcher, Phillip Wong, Peter J Fuller, Helena Teede, Frances Milat
The association between type 1 diabetes mellitus (T1DM) and bone health has garnered interest over the years. Fracture risk is known to be increased in individuals with T1DM, although bone health assessment is not often performed in the clinical setting. We describe the case of a 21-year-old male with longstanding T1DM with multilevel vertebral fractures on imaging, after presenting with acute back pain without apparent trauma. Dual-energy X-ray absorptiometry (DXA) revealed significantly reduced bone mineral density at the lumbar spine and femoral neck...
2018: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/29767697/perspective-structure-function-claims-on-infant-formula
#3
John C Wallingford
In the context of a food product label, the term "claim" refers to information that attributes value to the product. The term extends to many different types of information, from product identity, descriptors of intended use, and identification of characteristic properties to the physiologic effects in the body of substances in the food, including the reduction of risk of disease. Food labeling, which includes claims, provides information that consumers want and use to improve their diets. Consumers prefer short statements on the front label claims to longer, more detailed information, including ingredients statements and a nutrition panel...
May 1, 2018: Advances in Nutrition
https://www.readbyqxmd.com/read/29758362/the-anti-epileptic-drugs-valproate-carbamazepine-and-levetiracetam-cause-bone-loss-and-modulate-wnt-inhibitors-in-normal-and-ovariectomised-rats
#4
Bushra Parveen, Ambrish Kumar Tiwari, Moon Jain, Subhashis Pal, Naibedya Chattopadhyay, Manjari Tripathi, Divya Vohora
Secondary osteoporosis is the major concern associated with long term intake of antiepileptic drugs (AEDs). Women are the vulnerable targets owing to post-menopausal bone loss. In the present work, we evaluated the effect of 10 weeks of treatment with AED therapy (carbamazepine, CBZ, 75 mg/kg; sodium valproate, SVP, 300 mg/kg; levetiracetam, LTM, 150 mg/kg) on bone mineral density and microarchitecture at femoral epiphysis, lumbar vertebrae and proximal tibia of normal and ovariectomised Wistar rats...
May 11, 2018: Bone
https://www.readbyqxmd.com/read/29755856/the-guiding-role-of-bone-metabolism-test-in-osteoporosis-treatment
#5
REVIEW
Wei Zhang, Guo-Ji Yang, Shi-Xian Wu, Dong-Qing Li, Ying-Bo Xu, Cheng-Hong Ma, Jun-Ling Wang, Wei-Wen Chen
Osteoporosis (OP) and osteoporotic fractures are becoming a serious health care issue in the world. Calcium and vitamin D are the basic treatment for osteoporosis. Nonetheless, they do not effectively reduce the incidences of fracture. Currently approved treatments for osteoporosis include selective estrogen receptor modulators (SERMs), bisphosphonates, denosumab, teriparatide, calcitonin and others. However, the appearance of some adverse effects including atypical fracture and breast cancer has limited long-term treatments above mentioned...
2018: American Journal of Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/29753373/dipstick-proteinuria-and-reduced-estimated-glomerular-filtration-rate-as-independent-risk-factors-for-osteoporosis
#6
Chun-Wu Tung, Yung-Chien Hsu, Ya-Hsueh Shih, Pey-Jium Chang, Chun-Liang Lin
BACKGROUND: Osteoporosis is associated with a poor quality of life and mortality. Proteinuria contributes to vitamin D deficiency and osteoblast dysfunction. The correlation between estimated glomerular filtration rate (eGFR) and bone density still remains elusive. Therefore, we sought to investigate whether reduced eGFR or proteinuria are independently associated with the osteoporotic risk. METHODS: We conducted a cross-sectional study using community-based health survey data from January 2004 to December 2008 in southern Taiwan...
May 2018: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29749330/bone-mineral-density-and-vitamin-k-status-in-children-with-celiac-disease-is-there-a-relation
#7
Burcu Volkan, Ali Fettah, Ali İşlek, Soner Sertan Kara, Nezahat Kurt, Atilla Çayır
BACKGROUND/AIMS: To investigate bone mineral density (BMD) in children with celiac disease (CD) and to evaluate the association between vitamin K levels and osteoporosis. MATERIALS AND METHODS: Children with CD and age- and sex-matched healthy control subjects were prospectively included in the study. BMD was measured, and serum anti-tissue transglutaminase IgA, ferritin, folate, vitamin B12, 25-hydroxy vitamin D and K2, calcium, phosphate, alkaline phosphatase, and parathormone were assayed in all subjects...
March 2018: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/29748075/protective-effect-of-calcitriol-on-podocytes-in-spontaneously-hypertensive-rat
#8
Weiwei Shi, Ling Guo, Guangyi Liu, Tao Peng, Hongyu Li, Tingting Xie, Dengren Li, Junhui Zhen, Yan Wang, Huimin Yang, Xiangdong Yang
BACKGROUND: Hypertension is a major global public health issue. Uncontrolled hypertension leads to organ damage, especially renal damage. Calcitriol is used to treat osteoporosis, promote bone formation, and increase bone mass. Previous studies have demonstrated that 1,25(OH)2D3, in addition to its classic role, also has multiple immune regulation and renoprotective functions and inhibits the activity of the renin-angiotensin-aldosterone system (RASS). The aim of the current study was to investigate the renoprotective effects of calcitriol in a spontaneously hypertensive rat (SHR) model...
May 7, 2018: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29747415/patient-related-factors-associated-with-adherence-to-recommendations-made-by-a-fracture-liaison-service-a-mixed-method-prospective-study
#9
Mireille Luc, Hélène Corriveau, Gilles Boire, Johanne Filiatrault, Marie-Claude Beaulieu, Isabelle Gaboury
A Fracture Liaison Service (FLS) has been calculated to be a cost-effective model of care for patients with fragility fracture (FF). Cost-effectiveness can be achieved when adherence to bone health recommendations from FLS staff is high. This prospective study combined participants’ telephone longitudinal survey data (intervention group, n = 354) and interviews with 16 individuals from FLS in three health regions of the province of Quebec (Canada). Participants were recruited between January 2013 and April 2015...
May 9, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29746975/nutrition-status-bone-mass-density-and-selective-serotonin-reuptake-inhibitors
#10
Shannon Kindilien, Elle M Goldberg, Melissa H Roberts, Diana Gonzales-Pacheco
The association between selective serotonin reuptake inhibitor (SSRI) use and bone mass density (BMD) has been debated. Inadequate diet, which may occur in depressed individuals prescribed SSRIs is also associated with decreased BMD. This study seeks to determine if SSRI use in adults is associated with lower than average BMD while controlling for nutrition related variables. Further, it investigates whether there are potential interactions between micronutrients and SSRI use on BMD. Adults, 655 with an SSRI prescription ≥180 days and 12,372 non-users, were identified in the 2005-2014 National Health and Nutrition Examination Survey (NHANES) data...
May 7, 2018: Preventive Medicine
https://www.readbyqxmd.com/read/29745791/prevention-and-management-of-osteoporosis-and-osteoporotic-fractures-in-persons-with-a-spinal-cord-injury-or-disorder-a-systematic-scoping-review
#11
Nour Zleik, Frances Weaver, Robert L Harmon, Brian Le, Reshmitha Radhakrishnan, Wanda D Jirau-Rosaly, B Catharine Craven, Mattie Raiford, Jennifer N Hill, Bella Etingen, Marylou Guihan, Michael H Heggeness, Cara Ray, Laura Carbone
OBJECTIVES: The primary objective was to review the literature regarding methodologies to assess fracture risk, to prevent and treat osteoporosis and to manage osteoporotic fractures in SCI/D. STUDY DESIGN: Scoping review. Settings/Participants: Human adult subjects with a SCI/D. OUTCOME MEASURES: Strategies to identify persons with SCI/D at risk for osteoporotic fractures, nonpharmacological and pharmacological therapies for osteoporosis and management of appendicular fractures...
May 10, 2018: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/29737412/factors-associated-with-inadequate-responses-to-risedronate-in-japanese-patients-with-osteoporosis
#12
Ryo Okazaki, Ryoichi Muraoka, Masayuki Maehara, Daisuke Inoue
Factors associated with an inadequate response (IR) to bisphosphonates have been reported in many countries, but not in Japan, where the approved dose is half the global dose. We analyzed factors associated with IR to risedronate in Japanese patients with osteoporosis. This was a post hoc analysis of 1261 Japanese osteoporosis patients who received risedronate for 1 year in phase III trials. IR was defined as more than one new vertebral fracture (VF) and/or negative change in lumbar spine bone mineral density (BMD) at 1 year...
May 8, 2018: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/29731660/the-vitamin-d-receptor-and-the-etiology-of-rantes-ccl-expressive-fatty-degenerative-osteolysis-of-the-jawbone-an-interface-between-osteoimmunology-and-bone-metabolism
#13
Johann Lechner, Jürgen Aschoff, Tatjana Rudi
Background: Recent research on vitamin D indicates that our current understanding of the factors leading to chronic inflammation should be revised. One of the key mechanisms by which microbial immunosuppression occurs is the suppression of one of the most common endogenous cell nucleus receptors: the vitamin D receptor (VDR). Autoimmune diseases may be correlated with VDR deactivation (VDR-deac) which occurs when the receptor is no longer able to transcribe antimicrobial agents. Excess 1,25-dihydroxyvitamin D (1,25D) is not converted to 25-hydroxyvitamin D (25D); thus, high 1,25D levels may be accompanied by low 25D values...
2018: International Journal of General Medicine
https://www.readbyqxmd.com/read/29721809/gushukang-exerts-osteopreserve-effects-by-regulating-vitamin-d-and-calcium-metabolism-in-ovariectomized-mice
#14
Xiao-Li Li, Liang Wang, Xiao-Lei Bi, Bing-Bing Chen, Yan Zhang
Calcium homeostasis plays vital roles in the management of bone health. Traditional herbal formula Gushukang (GSK) was clinically applied to treat primary osteoporosis. This study aimed to explore the osteoprotective effects of GSK and its roles in maintaining calcium homeostasis in ovariectomized (OVX) mice. The OVX mice were orally treated with low (0.38 g/kg), middle (0.76 g/kg) and high (1.52 g/kg) dose of GSK for 8 weeks. GSK treatment dramatically increased serum calcium level and decreased urinary calcium excretion as well as enhanced calcium content in bone of OVX mice...
May 2, 2018: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/29720961/osteoporosis-therapy-with-denosumab-in-organ-transplant-recipients
#15
Jana Brunova, Simona Kratochvilova, Jitka Stepankova
Objective: Osteoporosis and fragility fractures represent serious complications for the solid organ transplant population. The recommended osteoporosis therapy for organ recipients involves supplementation with calcium and vitamin D and bisphosphonate administration. However, these options can prove limited for patients with impaired renal function. An alternative therapy option is offered by denosumab, a monoclonal antibody that targets receptor activator of nuclear factor kappa-B ligand...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29720668/central-role-of-the-proximal-tubular-%C3%AE-klotho-fgf-receptor-complex-in-fgf23-regulated-phosphate-and-vitamin-d-metabolism
#16
Ai Takeshita, Kazuki Kawakami, Kenryo Furushima, Masayasu Miyajima, Kazushige Sakaguchi
Fibroblast growth factor 23 (FGF23) plays critical roles in phosphate handling and vitamin D metabolism in the kidney. However, the effector cells of FGF23 in the kidney remain unclear. αKlotho, a putative enzyme possessing β-glucuronidase activity and also a permissive co-receptor for FGF23 to bind to FGF receptors (FGFRs), is expressed most abundantly in distal convoluted tubules, whereas it is expressed modestly in proximal tubules. Key molecular players of phosphate homeostasis and vitamin D-metabolizing enzymes are known to localize in proximal tubules...
May 2, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29710141/interventions-to-prevent-falls-in-community-dwelling-older-adults-us-preventive-services-task-force-recommendation-statement
#17
David C Grossman, Susan J Curry, Douglas K Owens, Michael J Barry, Aaron B Caughey, Karina W Davidson, Chyke A Doubeni, John W Epling, Alex R Kemper, Alex H Krist, Martha Kubik, Seth Landefeld, Carol M Mangione, Michael Pignone, Michael Silverstein, Melissa A Simon, Chien-Wen Tseng
Importance: Falls are the leading cause of injury-related morbidity and mortality among older adults in the United States. In 2014, 28.7% of community-dwelling adults 65 years or older reported falling, resulting in 29 million falls (37.5% of which needed medical treatment or restricted activity for a day or longer) and an estimated 33 000 deaths in 2015. Objective: To update the 2012 US Preventive Services Task Force (USPSTF) recommendation on the prevention of falls in community-dwelling older adults...
April 24, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29709013/prevalence-of-and-risk-factors-for-low-bone-mineral-density-in-spanish-treated-hiv-infected-patients
#18
Miguel Cervero, Rafael Torres, Jose Luís Agud, Victoria Alcázar, Juan José Jusdado, Concepción García-Lacalle, Santiago Moreno
OBJECTIVES: Several studies have involved antiretroviral therapy in the pathogenesis of low bone mineral density (BMD), while others have not confirmed this association. In this study we analyze the impact of HIV status, traditional risk factors and antiretroviral therapy in BMD in an HIV-infected population living in Madrid. MATERIAL AND METHODS: We performed a cross-sectional analysis of 107 individuals infected with HIV and exposed to antiretroviral treatment to estimate the prevalence of decreased BMD...
2018: PloS One
https://www.readbyqxmd.com/read/29705177/the-impact-of-exercise-and-vitamin-d-supplementation-on-physical-function-in-community-dwelling-elderly-individuals-a-randomized-trial
#19
Kana Aoki, Mayumi Sakuma, Naoto Endo
BACKGROUND: We investigated the impact of exercise and vitamin D supplementation on physical function and locomotor dysfunction in community-dwelling elderly individuals. METHODS: In total, 148 community-dwelling elderly individuals (aged ≥60 years) who were not taking osteoporosis medications participated in a 24-week intervention. The participants were randomly divided into an exercise group, vitamin D group, and exercise and vitamin D group. The participants and outcome-assessing staff were not blinded to group assignment...
April 25, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29691807/glucocorticoid-induced-osteoporosis-an-update
#20
REVIEW
Juliet Compston
Glucocorticoid-induced osteoporosis is the most common secondary cause of osteoporosis and the resulting fractures cause significant morbidity. Following initiation of oral glucocorticoids, rapid bone loss occurs, and fracture risk increases within a few months in a dose-dependent manner. These adverse effects are due to inhibition of bone formation accompanied by an early but transient increase in bone resorption. Multiple mechanisms underlie these changes in bone remodeling; direct effects include upregulation of PPARγR2, increased expression of sclerostin and increased RANKL/OPG ratio, whilst hypogonadism, altered renal and intestinal calcium handling, and reduced production of insulin-like growth factor 1 also contribute...
April 24, 2018: Endocrine
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