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Bone mineral density and fractures

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https://www.readbyqxmd.com/read/29236162/bisphosphonates-prevent-age-related-weight-loss-in-japanese-postmenopausal-women
#1
Tomohiko Urano, Masataka Shiraki, Tatsuhiko Kuroda, Shiro Tanaka, Fumihiko Urano, Kazuhiro Uenishi, Satoshi Inoue
Decline of body weight with aging is a major risk factor for frailty, osteoporosis and fracture, suggesting that treatment for osteoporosis may affect body composition. Recently, we have shown that 5-year treatment with raloxifene prevented age-related weight loss, suggesting some other drugs for osteoporosis may also prevent a decrease in body weight with aging. The present study aimed to identify the relationship between bisphosphonate treatment and body composition markers. We measured bone mineral density (BMD), body composition, and bone remodeling markers in 551 Japanese postmenopausal women with bisphosphonate treatment, which included risedronate or alendronate treatment (BP-treatment group; N = 193) and without treatment by any osteoporosis drug (no-treatment group; N = 358) for 4-7 years (mean observation periods; 5...
December 13, 2017: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/29230512/rebound-associated-vertebral-fractures-after-discontinuation-of-denosumab-for-the-treatment-of-maxillitis
#2
R Niimi, T Kono, A Nishihara, M Hasegawa, T Kono, A Sudo
We reported a 69-year-old female who discontinued denosumab due to dental treatment and subsequently suffered rebound-associated vertebral fractures 10 months after the last injection. This case raised an alarm regarding the discontinuation of denosumab for dental treatment. Denosumab, a human monoclonal antibody administered by subcutaneous injection, to the best of our knowledge, is the only fully investigated inhibitor of receptor activator of nuclear factor kappa B ligand. Discontinuation of denosumab leads to bone turnover rebound and rapid bone mineral density loss...
December 11, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/29230333/celiac-disease-in-patients-with-cystic-fibrosis-related-bone-disease
#3
Melissa S Putman, Alexandra Haagensen, Isabel Neuringer, Leonard Sicilian
Both cystic fibrosis (CF) and celiac disease can cause low bone mineral density (BMD) and fractures. Celiac disease may occur at a higher frequency in patients with CF than the general population, and symptoms of these conditions may overlap. We report on two patients presenting with CF-related bone disease in the past year who were subsequently found to have concurrent celiac disease. Because adherence to a gluten-free diet may improve BMD in patients with celiac disease, this could have important implications for treatment...
2017: Case Reports in Endocrinology
https://www.readbyqxmd.com/read/29228533/denosumab-treatment-of-severe-disuse-osteoporosis-in-a-boy-with-spinal-muscular-atrophy
#4
Stepan Kutilek
Denosumab is a fully human recombinant monoclonal antibody to the receptor activator of nuclear factor-κB ligand. Denosumab is used in the treatment of postmenopausal osteoporosis and cancer-related bone disorders. There are only very scarce data on denosumab treatment in children. 14-year-old boy with spinal muscular atrophy (SMA) and severe disuse osteoporosis (spinal bone mineral density L1-L4 BMD-6.2SD Z-score) and two prevalent fragility fractures was treated with denosumab. He received 60 mg  subcutaneous injection at the baseline and seven months later...
October 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/29228060/model-of-hindlimb-unloading-in-adult-female-rats-characterizing-bone-physicochemical-microstructural-and-biomechanical-properties
#5
Melise Jacon Peres-Ueno, Camila Tami Stringhetta-Garcia, Robson Chacon Castoldi, Guilherme Akio Tamura Ozaki, Antônio Hernandes Chaves-Neto, Rita Cássia Menegati Dornelles, Mário Jefferson Quirino Louzada
Prolonged bedrest and microgravity induce alterations to bone, leading to bone fragility and compromising the quality of life. In this study, we characterized the physicochemical changes, microstructure, and biomechanics of the femurs of female adult rats in response to hindlimb unloading for 21 days. Twenty 6-month-old Wistar female rats were distributed into control (CON) and hindlimb unloading (HLU) groups. Analysis the in vivo bone mineral density (BMD) by dual energy x-ray absorptiometry (DXA) from the femurs was performed at the beginning and end of the experiment; plasma levels of calcium, phosphorus, and alkaline phosphatase, tartrate-resistant acid phosphatase activity, assessed by spectrophotometry, and estradiol, measured by enzyme-linked immunosorbent assay, was performed after the experiment...
2017: PloS One
https://www.readbyqxmd.com/read/29227547/a-network-meta-analysis-on-the-short-term-efficacy-and-adverse-events-of-different-anti-osteoporosis-drugs-for-the-treatment-of-postmenopausal-osteoporosis
#6
Gui-Feng Liu, Zong-Qiang Wang, Lin Liu, Bu-Tian Zhang, Ying-Ying Miao, Shao-Nan Yu
A network meta-analysis was conducted to compare the short-term efficacy and adverse events of different drugs for the treatment of postmenopausal osteoporosis (PMO), providing a more effective treatment for PMO. We initially searched through various databases like PubMed, Cochrane Library and EMBASE from inception till October 2016. All randomized controlled trials (RCTs) of drugs for the treatment of PMO were included for direct and indirect comparison. A combination of direct and indirect evidence of different inhibitors of antidiabetic drugs for treatment of PMO were considered for calculating the weighted mean difference (WMD) value or odd ratio (OR) value and to draw surface under the cumulative ranking (SUCRA) curves...
December 11, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29226718/contribution-to-fe-modeling-for-intraoperative-pedicle-screw-strength-prediction
#7
Maxim Van den Abbeele, Jean-Marc Valiadis, Lucas V P C Lima, Pascal Khalifé, Philippe Rouch, Wafa Skalli
Although the use of pedicle screws is considered safe, mechanical issues still often occur. Commonly reported issues are screw loosening, screw bending and screw fracture. The aim of this study was to develop a Finite Element (FE) model for the study of pedicle screw biomechanics and for the prediction of the intraoperative pullout strength. The model includes both a parameterized screw model and a patient-specific vertebra model. Pullout experiments were performed on 30 human cadaveric vertebrae from ten donors...
December 10, 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/29224695/fragility-fractures-their-impact-on-older-people
#8
REVIEW
Lídia Sànchez-Riera, Nicholas Wilson
Osteoporotic fractures, in particular hip and vertebral, are a major health burden worldwide. The majority of these fractures occur in the elderly population, resulting in one of the most important causes of mortality and disability in older ages. Their cost for societies is enormous and is forecast to steadily increase over the coming decades globally. Low bone mineral density (BMD) remains a key preventable risk factor for fractures. Screening and treatment of individuals with high risk of fracture is cost-effective...
April 2017: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/29224172/evaluation-of-clinical-risk-factors-for-osteoporosis-and-applicability-of-the-frax-tool-in-joinville-city-southern-brazil
#9
Dalisbor Marcelo Weber Silva, Victoria Zeghbi Cochenski Borba, John A Kanis
Clinical risk factors for fracture in Southern Brazil are similar to those used in Fracture Risk Assessment Tool (FRAX®). Age-dependent intervention thresholds had higher accuracy than a fixed cut-off point. INTRODUCTION: Access to bone mineral density testing is wanted for a large part of the Brazilian population. The FRAX® has an option to calculate the risk of fracture without this costly evaluation but relies on the clinical risk factors (CRFs) identified in the source cohorts used to generate FRAX...
December 9, 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29223594/femoral-neck-fractures-after-removal-of-hardware-in-healed-trochanteric-fractures
#10
REVIEW
Antonio Barquet, Peter V Giannoudis, Andrés Gelink
INTRODUCTION: Hardware removal in healed trochanteric fractures (TF) in the absence of infection or significant mechanical complications is rarely indicated. However, in patients with persistent pain, prominent material and discomfort in the activities of daily living, the implant is eventually removed. Publications of ipsilateral femoral neck fracture after removal of implants from healed trochanteric fractures (FNFARIHTF) just because of pain or discomfort are rare. The purpose of this systematic review of the literature is to report on the eventual risk factors, the mechanisms, the clinical presentation, and frequency, and to pay special emphasis in their prevention...
December 2017: Injury
https://www.readbyqxmd.com/read/29222266/impact-of-bone-disease-and-pain-in-thalassemia
#11
REVIEW
Antonio Piga
Conventional treatment of thalassemia, namely regular blood transfusion and iron chelation, improves perspectives and quality of life; however, successful treatment leads to more time in which long-term complications such as bone disease can develop. Thalassemia bone disease (TBD) is unique: all aspects, from bone anatomy and bone quality to mineral density, may be affected, with important morbidity including osteoporosis, fractures, spinal deformities, nerve compression, and pain. Clinical presentations include growth impairment, rickets-like features, back pain, spinal deformities, any sign of nerve compression, severe osteoporosis, and fragility fractures...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29221945/the-relationship-of-physical-performance-and-osteoporosis-prevention-with-vitamin-d-in-older-african-americans-poda
#12
Ruban Dhaliwal, Mageda Mikhail, Gianina Usera, Alexandra Stolberg, Shahidul Islam, Louis Ragolia, John F Aloia
RATIONALE: Vitamin D deficiency is associated with bone loss, poor muscle strength, falls and fracture. This information in older African Americans (AAs) is sparse. OBJECTIVE: The study of the relationship of Physical performance, Osteoporosis prevention with vitamin D in older African Americans (PODA) is a randomized, double-blind, placebo-controlled 3-year trial examining the effect of vitamin D on bone loss and physical performance in older AA women. METHODS: 260 healthy AA women aged >60years were assigned to receive placebo or vitamin D3...
December 5, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29220072/falls-predict-fractures-independently-of-frax-probability-a-meta-analysis-of-the-osteoporotic-fractures-in-men-mros-study
#13
Nicholas C Harvey, Anders Odén, Eric Orwoll, Jodi Lapidus, Timothy Kwok, Magnus K Karlsson, Björn E Rosengren, Östen Ljunggren, Cyrus Cooper, Eugene McCloskey, John A Kanis, Claes Ohlsson, Dan Mellström, Helena Johansson
Although prior falls are a well-established predictor of future fracture, there is currently limited evidence regarding the specific value of falls history in fracture risk assessment relative to that of other clinical risk factors and bone mineral density (BMD) measurement. We therefore investigated, across the three Osteoporotic Fractures in Men (MrOS) Study cohorts, whether past falls predicted future fracture independently of FRAX and whether these associations varied with age and follow-up time. Elderly men were recruited from MrOS Sweden, Hong Kong, and USA...
December 8, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29218387/anatomic-parameters-of-the-sacral-lamina-for-osteosynthesis-in-transverse-sacral-fractures
#14
Yoshihiro Katsuura, Eileen Lorenz, Warren Gardner
PURPOSE: To analyze the morphometric parameters of the dorsal sacral lamina and pedicles to determine if there is adequate bony architecture to support plate osteosynthesis. METHODS: Two reviewers performed measurements on 98 randomly selected high-resolution CT scans of the pelvis to quantify the bony anatomy of the sacral lamina. Measurements included the depths of the lamina at each sacral level, the trajectory and depth of the sacral pedicles from the sacral lamina, and the width of the sacral canal...
December 8, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29218382/restrictive-pulmonary-dysfunction-is-associated-with-vertebral-fractures-and-bone-loss-in-elderly-postmenopausal-women
#15
R Watanabe, M Shiraki, M Saito, R Okazaki, D Inoue
Association between lung function and bone metabolism remains controversial. We found that impaired lung function was associated with vertebral fractures and bone loss in Japanese postmenopausal women. While vertebral deformities would impair lung function, respiratory dysfunction might in turn increase fracture risk, suggesting a complex bidirectional interaction. INTRODUCTION: Association between bone metabolism and pulmonary function in the general population is controversial. The aim of this study was to investigate relationship between lung and bone parameters in elderly postmenopausal women...
December 7, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/29216909/which-measuring-site-in-ankylosing-spondylitis-is-best-to-detect-bone-loss-and-what-predicts-the-decline-results-from-a-5-year-prospective-study
#16
Anna Deminger, Eva Klingberg, Mattias Lorentzon, Mats Geijer, Jan Göthlin, Martin Hedberg, Eva Rehnberg, Hans Carlsten, Lennart T Jacobsson, Helena Forsblad-d'Elia
BACKGROUND: Studies have shown increased prevalence of osteoporosis and increased risk for vertebral fractures in patients with ankylosing spondylitis (AS). Measurements of bone mineral density (BMD) in the lumbar spine anterior-posterior (AP) projection may be difficult to interpret due to the ligamentous calcifications, and the lateral projection might be a better measuring site. Our objectives were to investigate BMD changes after 5 years at different measuring sites in patients with AS and to evaluate disease-related variables and medications as predictors for BMD changes...
December 8, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29216254/international-classification-of-diseases-icd-coded-obesity-predicts-risk-of-incident-osteoporotic-fracture
#17
Shuman Yang, Lisa M Lix, Lin Yan, Aynslie M Hinds, William D Leslie
International Classification of Diseases (ICD) codes have been used to ascertain individuals who are obese. There has been limited research about the predictive value of ICD-coded obesity for major chronic conditions at the population level. We tested the utility of ICD-coded obesity versus measured obesity for predicting incident major osteoporotic fracture (MOF), after adjusting for covariates (i.e., age and sex). In this historical cohort study (2001-2015), we selected 61,854 individuals aged 50 years and older from the Manitoba Bone Mineral Density Database, Canada...
2017: PloS One
https://www.readbyqxmd.com/read/29214508/bone-histomorphometry-in-acromegaly-patients-with-fragility-vertebral-fractures
#18
L Dalle Carbonare, V Micheletti, E Cosaro, M T Valenti, M Mottes, G Francia, M V Davì
CONTEXT: The high risk of vertebral fractures (VFs) in acromegaly patients despite normal bone mineral density (BMD) is well known. The reasons for this paradoxical finding of skeleton fragility are poorly understood due to the limited data on bone histomorphometry in acromegaly. OBJECTIVE: This study aimed to analyze histomorphometric parameters including bone microarchitecture in acromegaly patients with VFs and normal BMD compared to normal subjects, and also to evaluate the differences between active and controlled acromegaly patients...
December 6, 2017: Pituitary
https://www.readbyqxmd.com/read/29214023/assessment-and-clinical-management-of-bone-disease-in-adults-with-eating-disorders-a-review
#19
REVIEW
Anne Drabkin, Micol S Rothman, Elizabeth Wassenaar, Margherita Mascolo, Philip S Mehler
Aim: To review current medical literature regarding the causes and clinical management options for low bone mineral density (BMD) in adult patients with eating disorders. Background: Low bone mineral density is a common complication of eating disorders with potentially lifelong debilitating consequences. Definitive, rigorous guidelines for screening, prevention and management are lacking. This article intends to provide a review of the literature to date and current options for prevention and treatment...
2017: Journal of Eating Disorders
https://www.readbyqxmd.com/read/29213219/a-review-on-bone-mineral-density-loss-in-total-knee-replacements-leading-to-increased-fracture-risk
#20
REVIEW
M Gundry, S Hopkins, K Knapp
The link between low bone mineral density (BMD) scores leading to greater fracture risk is well established in the literature; what is not fully understood is the impact of total knee replacements/revisions or arthroplasties on BMD levels. This literature review attempts to answer this question. Several different databases using specific key terms were searched, with additional papers retrieved via bibliographic review. Based on the available evidence, total knee replacements/revisions and arthroplasties lower BMD and thus increase fracture risk...
2017: Clinical Reviews in Bone and Mineral Metabolism
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