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osteoporosis fracture

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https://www.readbyqxmd.com/read/29667007/failure-in-diagnosis-and-under-treatment-of-osteoporosis-in-elderly-patients-with-fragility-fractures
#1
Sofia Bougioukli, Panagoula Κollia, Theodora Koromila, Sokratis Varitimidis, Michael Hantes, Theofilos Karachalios, Κonstantinos Ν Malizos, Zoe H Dailiana
We evaluated whether osteoporosis is adequately managed and treated in patients suffering from fragility fractures. Factors that influenced osteoporosis diagnosis and treatment rates were also assessed. To this end, patients with the principal diagnosis of low-energy hip, vertebral, or distal radius fractures were recruited for the study. Collected data included risk factors for osteoporosis, history of previous fractures, known history of osteoporosis, and osteoporosis treatment at the time of admission. The patients' prefracture risk profile was also assessed to determine whether osteoporosis could have been identified prior to the index fracture...
April 17, 2018: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/29665839/the-efficiency-of-risedronate-in-reducing-bone-resorption-after-total-hip-arthroplasty-a-meta-analysis-of-randomized-control-trials-at-a-minimum-of-6-months-follow-up
#2
Liqing Yang
BACKGROUND: Recently risedronate is suggested to be effective for the prevention and treatment of for osteoporosis in total hip arthroplasty. This meta-analysis aimes to evaluate the efficacy of risedronate in reducing femoral periprosthetic bone mineral density loss in patients undergoing primary total hip arthroplasty. METHODS: A systematic search was performed in Medline (1966-31 October 2017), PubMed (1966-31 October 2017), Embase (1980-31 October 2017), ScienceDirect (1985-31 October 2017) and the Cochrane Library...
April 17, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29665618/pseudo-and-conditional-score-approach-to-joint-analysis-of-current-count-and-current-status-data
#3
Chi-Chung Wen, Yi-Hau Chen
We develop a joint analysis approach for recurrent and nonrecurrent event processes subject to case I interval censorship, which are also known in literature as current count and current status data, respectively. We use a shared frailty to link the recurrent and nonrecurrent event processes, while leaving the distribution of the frailty fully unspecified. Conditional on the frailty, the recurrent event is assumed to follow a nonhomogeneous Poisson process, and the mean function of the recurrent event and the survival function of the nonrecurrent event are assumed to follow some general form of semiparametric transformation models...
April 17, 2018: Biometrics
https://www.readbyqxmd.com/read/29665068/osteoporosis-and-hip-fracture-risk-from-routine-computed-tomography-scans-the-fracture-osteoporosis-and-ct-utilization-study-focus
#4
Annette L Adams, Heidi Fischer, David L Kopperdahl, David C Lee, Dennis M Black, Mary L Bouxsein, Shireen Fatemi, Sundeep Khosla, Eric S Orwoll, Ethel S Siris, Tony M Keaveny
Methods now exist for analyzing previously taken clinical computed tomography (CT) scans to measure a dual-energy X-ray absorptiometry (DXA)-equivalent bone mineral density (BMD) at the hip and a finite element analysis-derived femoral strength. We assessed the efficacy of this "biomechanical CT" (BCT) approach for identifying patients at high risk of incident hip fracture in a large clinical setting. Using a case-cohort design sampled from 111,694 women and men aged 65 or older who had a prior hip CT scan, a DXA within 3 years of the CT, and no prior hip fracture, we compared those with subsequent hip fracture (n = 1959) with randomly selected sex-stratified controls (n = 1979) and analyzed their CT scans blinded to all other data...
April 17, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29664856/practice-patterns-and-performance-in-u-s-fracture-liaison-programs-an-analysis-of-32-000-patients-from-the-own-the-bone-program
#5
Douglas R Dirschl, Hani Rustom
BACKGROUND: We are not aware of any previous investigation assessing a national cohort of patients enrolled in a fracture liaison service (FLS) program in an open health-care system to ascertain prevalent practice patterns. The objective of this investigation was to determine, in a geographically diverse group of centers in a single FLS program, the percentage of patients for whom anti-osteoporosis treatment was recommended or started as well as to identify associations between patient and fracture variables and the likelihood of treatment being recommended...
April 18, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29662781/the-effect-of-chinese-martial-arts-tai-chi-chuan-on-prevention-of-osteoporosis-a-systematic-review
#6
REVIEW
Tsz Ho Chow, Bo Yee Lee, Adrian Bing Fung Ang, Veronica Yi Ki Cheung, Michelle Man Ching Ho, Saori Takemura
Background/Objective: Tai Chi Chuan (TCC) is suggested to have beneficial effects on the musculoskeletal system. The aim of this systematic review is to evaluate the evidence of the effect of TCC on bone mineral density (BMD) and its potential for prevention of osteoporosis. Methods: A literature search was conducted using PubMed, Embase, and Cochrane databases from inception to January 2017. Randomized controlled studies, case-control trials, prospective cohort studies, and cross-sectional studies which evaluated the effect of TCC on BMD were selected without any subject or language restriction...
January 2018: Journal of Orthopaedic Translation
https://www.readbyqxmd.com/read/29662754/magnesium-based-implants-beyond-fixators
#7
Xiaodan Chen
The mystery behind magnesium-induced bone formation is revealed by linking the neuropeptide(s) from sensory nerves with the osteogenic differentiation of stem cells in the periosteum. Zhang and colleagues' study sheds light on the development of magnesium pills or calcitonin gene-related peptide-delivery system for the prevention or treatment of osteoporosis. The translational potential of this article: For the first time, magnesium is shown to be beneficial for fracture healing at the weight-bearing site...
July 2017: Journal of Orthopaedic Translation
https://www.readbyqxmd.com/read/29662566/focal-increased-tc-99m-mdp-uptake-in-the-nutrient-foramen-of-the-femoral-diaphysis-on-bone-spect-ct
#8
Hwajin Cha, Soo Bin Park, Hyun-Joo Kim
We present images of an 83-year-old female with a history of osteoporosis and bilateral total knee replacement arthroplasty, referred for bone scintigraphy and single-photon emission computed tomography (SPECT)/computed tomography (CT), owing to left knee pain. No trauma to, or intense exercise of, the knee was reported. The bone scan and SPECT/CT revealed a focally increased Tc-99m methylene diphosphonate (MDP) uptake in the medial cortex of the left femoral diaphysis with matched linear radiolucency on CT images...
April 2018: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29661684/trabecular-bone-score-and-hip-structural-analysis-in-patients-with-atypical-femur-fractures
#9
Sanne K C Buitendijk, Denise M van de Laarschot, Alexandra A A Smits, Fjorda Koromani, Fernando Rivadeneira, Thomas J Beck, M Carola Zillikens
Bisphosphonate use has declined dramatically in recent years, partly because of fear of rare side effects like atypical femur fractures (AFFs). It is therefore desirable to have a diagnostic method to identify those at risk of AFF to prevent this serious complication. We compared trabecular microarchitecture and hip geometry between 30 patients with AFF and 141 controls of similar age and sex, using bisphosphonates. Trabecular bone score (TBS) and hip structural analysis (HSA) were used to assess trabecular microarchitecture and macroscopic hip geometry from dual-energy X-ray absorptiometry images of the lumbar spine and hip, respectively...
March 22, 2018: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/29661112/osteoporotic-effect-on-bone-repair-in-lumbar-vertebral-body-defects-in-a-rat-model
#10
Munehiro Sakata, Hitoshi Tonomura, Tomonori Itsuji, Hidenobu Ishibashi, Ryota Takatori, Yasuo Mikami, Masateru Nagae, Ken Ichi Matsuda, Masaki Tanaka, Toshikazu Kubo
INTRODUCTION: The number of patients who suffered from osteoporotic vertebral fractures is increasing. Osteoporosis has been reported to affect the healing process using long bone models. However, few studies have reported using vertebrae. In this study, we created a bone defect in the anterior part of vertebral body in ovariectomized rat and evaluated the healing process. METHODS: Fifty-six 12-week old Sprague Dawley rats were divided into ovariectomy (OVX) and sham operation groups...
May 2018: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/29661041/prospective-risk-of-osteoporotic-fractures-in-patients-with-advanced-chronic-obstructive-pulmonary-disease
#11
Ayushman Gupta, Neil J Greening, Rachael A Evans, Abigail Samuels, Nicole Toms, Michael C Steiner
Despite the high prevalence of osteoporosis in chronic obstructive pulmonary disease (COPD) patients, the fracture risk prediction tools are not routinely undertaken in the management of COPD. We quantified fracture risk using a validated risk prediction tool (Fracture Risk Assessment (FRAX®)) and determined potential bone-protection treatment needs in patients with advanced COPD. The 10-year probability of major osteoporotic or hip fracture was calculated using the FRAX tool in a cohort of patients attending a hospital complex COPD service...
January 1, 2018: Chronic Respiratory Disease
https://www.readbyqxmd.com/read/29659427/opportunistic-bone-density-measurement-on-abdomen-and-pelvis-computed-tomography-to-predict-fracture-risk-in-women-aged-50-to-64-years-without-osteoporosis-risk-factors
#12
Jieming Fang, Andrea Franconeri, Johannes Boos, Jennifer Nimhuircheartaigh, Zheng Zhang, Alexander Brook, Olga R Brook
OBJECTIVE: The aim of this study is to evaluate opportunistic vertebral bone density measurement in abdominal and pelvic computed tomography (CT) to predict future osteoporotic fracture in women aged 50 to 64 years without known osteoporosis risk factors. METHODS: Consecutive female patients 50 to 64 years old without osteoporosis risk factors with 2 CT examinations more than 10 years apart were included. Vertebral height and bone density in each vertebra from T10 to L5 were measured...
April 13, 2018: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/29658534/the-influence-of-osteoporotic-bone-structures-of-the-pelvic-hip-complex-on-stress-distribution-under-impact-load
#13
Katarzyna Arkusz, Tomasz Klekiel, Niezgoda Niezgoda, Romuald Będziński
PURPOSE: The aim of this study was to determine the effect of bone mineral density (BMD) on the stress distribution in pelvic-hip complex (PHC) model which included bone structures and soft tissues. Bone mass changes in osteoporosis and osteopenia were considered in this analysis. In addition, the relations between force direction and stress distribution causing PHC fractures were determined. METHODS: This paper presents the development and validation of a detailed 3D finite element model with high anatomical fidelity of the PHC and BMD changes in trabecular and cortical bones, modelled based on CT scans...
2018: Acta of Bioengineering and Biomechanics
https://www.readbyqxmd.com/read/29658144/bone-fragility-in-turner-syndrome-fracture-prevalence-and-risk-factors-determined-by-a-national-patient-survey
#14
Halley Wasserman, Philippe F Backeljauw, Jane C Khoury, Heidi J Kalkwarf, Catherine M Gordon
OBJECTIVE: Osteoporosis is considered a comorbidity of adult women with Turner Syndrome (TS). Limited data are available on fracture prevalence in girls and women with this diagnosis. We aimed to determine the prevalence of fractures in individuals with TS in the United States and identify risk factors for fracture. DESIGN: Girls and women with TS were invited to participate in an anonymous, self-report, national survey from November 2016 to March 2017. Non-TS controls were obtained through direct contacts of TS participants...
April 15, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29656305/do-reductions-in-out-of-pocket-expenses-for-dual-energy-x-ray-absorptiometry-scans-translate-to-reduced-fracture-incidence-amongst-older-australians-a-population-based-study
#15
Amanda L Stuart, Sharon L Brennan-Olsen, Julie A Pasco, Amelia G Betson, Kara L Holloway-Kew, Sarah M Hosking, Lana J Williams
This study aimed to compare fracture incidence in the elderly pre- and post-revision of bone density scan reimbursement guidelines, which changed in 2007. Fracture incidence by age group was calculated using population-specific data. Guideline changes did not appear to reduce fracture incidence in the study region located in south-eastern Australia. PURPOSE: In 2007, Medicare Australia revised reimbursement guidelines whereby individuals aged 70 years and over received reduced out-of-pocket expenses for dual energy X-ray absorptiometry (DXA) scans...
April 14, 2018: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29652606/development-of-pei-rank-sirna-complex-loaded-plga-nanocapsules-for-the-treatment-of-osteoporosis
#16
Deniz Sezlev Bilecen, Hasan Uludag, Vasif Hasirci
Osteoporosis, which is characterized by low bone mineral density and susceptibility to fracture, is caused by increased osteoclastic activity. Receptor Activator of Nuclear Factor Kappa B Ligand (RANKL)/RANK signaling plays an important role in osteoclast differentiation and activation. The current treatment strategies for osteoporosis do not directly address this underlying cause and generates undesired side effects. This led to emergence of controlled delivery systems to increase drug bioavailability and efficacy specifically at the bone tissue...
March 14, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29652557/skeletal-response-to-treatment-with-teriparatide-tpd-after-bisphosphonate-in-post-menopausal-women-with-osteoporosis-and-a-high-prevalence-of-secondary-risk-factors-in-real-life-setting-of-a-metabolic-bone-clinic-effect-of-age-and-vitamin-d-status
#17
J Mok, C Brown, A E B Moore, S S Min, G Hampson
PURPOSE: Teriparatide (TPD) is a skeletal anabolic agent used in patients with severe post-menopausal osteoporosis (PMO) and steroid-induced osteoporosis who are at hish risk of fracture. Predictors of therapeutic response to teriparatide in real-life setting are not well characterised. We investigated potential factors associated with teriparatide response in post-menopausal women with established osteoporosis. METHODS: We carried out a retrospective survey of 48 women, aged 73...
April 13, 2018: Endocrine Research
https://www.readbyqxmd.com/read/29651313/risk-factors-for-osteoporosis-in-postmenopausal-women-from-the-point-of-view-of-primary-care-gynecologist
#18
Damir Franic, Ivan Verdenik
Introduction: Osteoporosis is a highly prevalent public health problem with osteoporosis-related fractures that account for high morbidity and mortality. Therefore, prevention strategies and early detection of osteoporosis should be carried out in primary gynaecological care units, so as to substantially reduce the risk of fractures and allow the best treatment option for a particular woman. Methods: From 2002 to 2011, we recruited 2956 women. Of the total number of women, we additionally extrapolated 1274 women aged 60-75 years, assumingly, the group of women at higher risk of osteoporosis...
March 2018: Zdravstveno Varstvo
https://www.readbyqxmd.com/read/29650194/fracture-risk-prediction-in-post-menopausal-women-with-osteopenia-and-osteoporosis-preliminary-findings
#19
Nik Noor Kaussar Nik Mohd Hatta, Muhammad Lokman, Mohd Said N, Azlina Daud, Muhammad Ibrahim, Mohd Ariff Sharifudin, Samsul Deraman
OBJECTIVE: The study aims to identify the risk of obtaining a fracture among post-menopausal women with osteopenia and osteoporosis. METHOD: This work was a cross-sectional study involving a purposive sample of 87 post-menopausal women who attended the orthopedic and menopause clinics of Hospital Tengku Ampuan Afzan, Kuantan. The data were entered into the WHO fracture risk assessment tool (FRAX® ) to predict major fracture and risk for hip fracture in 10 years' time...
February 2018: Enfermería Clínica
https://www.readbyqxmd.com/read/29649480/high-glucose-downregulates-the-effects-of-autophagy-on-osteoclastogenesis-via-the-ampk-mtor-ulk1-pathway
#20
Zhen-Yu Cai, Bo Yang, Ying-Xu Shi, Wei-Lin Zhang, Fei Liu, Wei Zhao, Mao-Wei Yang
Diabetes is a chronic disease that disrupts the balance between bone formation and bone desorption, which can lead to osteoporosis, increasing the risk of fracture. However, compared with osteoblasts, the biological effects of hyperglycemia on osteoclastogenesis remain to be elucidated. Therefore, we investigated the impact of glucose at different concentrations (5.5, 10.5, 15.5, 20.5, 25.5, and 30.5 mM) on osteoclastogenesis using RAW264.7 cells. Cell proliferation was measured with the cell counting kit-8 assay, and osteoclastogenesis was detected with tartrate-resistant acid phosphatase staining and bone resorption assays, as well as protein cathepsin K expression...
April 9, 2018: Biochemical and Biophysical Research Communications
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