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Journal of Clinical Densitometry

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https://www.readbyqxmd.com/read/28807473/water-treatment-by-magnetic-field-increases-bone-mineral-density-of-rats
#1
Geraldo Balieiro Neto, Jair Rodini Engracia Filho, Bruna Rezende Silva Martins de Oliveira, Cássia Maria Molinaro Coelho, Lilian Francisco Arantes de Souza, Mario Jefferson Quirino Louzada
Water treatment using a magnetic field is an attractive but controversial issue with regard to its effects on human health. This study aimed to investigate the effects of water treatment using a magnetic field on the bone mineral density (BMD), bone mineral content (BMC), bone area (BA), bone resistance (BR), blood gas analysis, blood viscosity, and blood biochemical profile of rats. Forty-eight Wistar rats were divided into 2 groups: control (n = 24) and magnetic water-treated (n = 24). Each of these groups was subdivided into 3 groups to evaluate 3 consumption periods (15, 30, and 45 d)...
August 11, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28802981/errors-in-patient-positioning-for-bone-mineral-density-assessment-by-dual-x-ray-absorptiometry-effect-of-technologist-retraining
#2
Sasivimol Promma, Chanika Sritara, Saowanee Wipuchwongsakorn, Krisanat Chuamsaamarkkee, Chirawat Utamakul, Wichana Chamroonrat, Arpakorn Kositwattanarerk, Yoch Anongpornjossakul, Kanungnij Thamnirat, Boonsong Ongphiphadhanakul
Improper positioning is one of the factors that can lead to incorrect bone mineral density (BMD) results. This study aimed to assess the frequencies of erroneous positioning during three periods: before retraining of the technologists (BR), after retraining (AR), and at the current timepoint 8 years after retraining (C). The BMD images of the first 150 consecutive patients who underwent DXA of the lumbar spine and hip during each of the three periods were retrospectively reviewed. Patients were excluded if they had severe scoliosis, rendering proper positioning impossible...
August 9, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28801168/please-don-t-move-evaluating-motion-artifact-from-peripheral-quantitative-computed-tomography-scans-using-textural-features
#3
Timo Rantalainen, Paola Chivers, Belinda R Beck, Sam Robertson, Nicolas H Hart, Sophia Nimphius, Benjamin K Weeks, Fleur McIntyre, Beth Hands, Aris Siafarikas
Most imaging methods, including peripheral quantitative computed tomography (pQCT), are susceptible to motion artifacts particularly in fidgety pediatric populations. Methods currently used to address motion artifact include manual screening (visual inspection) and objective assessments of the scans. However, previously reported objective methods either cannot be applied on the reconstructed image or have not been tested for distal bone sites. Therefore, the purpose of the present study was to develop and validate motion artifact classifiers to quantify motion artifact in pQCT scans...
August 8, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28784276/role-of-apoe-gene-in-bone-mineral-density-and-incidence-of-bone-fractures-in-brazilian-postmenopausal-women
#4
Leticia S Souza, Neuza Felix Rochette, Diego França Pedrosa, Rafaella P Lopes Magnago, Teodiano B Freire Filho, Fernando Luiz H Vieira, Irani do Carmo F Fin, Sergio R Eis, Jones B Graceli, Leticia B A Rangel, Ian V Silva
Osteoporosis is one of the major diseases that affects mostly postmenopausal women. Despite being a multifactorial disease, some genes have been shown to play an important role in osteoporosis. Bone mineral density (BMD) is still largely used to diagnose it, although many other biomarkers are used to better follow the disease onset. It has been shown that the apolipoprotein E (APOE) gene could be a biomarker for risk of fractures as well as to predict lower BMD in patients with osteoporosis. The human APOE gene encodes 3 protein isoforms called ApoE2, ApoE3, and ApoE4, resulting in 4 possible genotypes, because they are a product of a single nucleotide polymorphism found in this gene...
August 4, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28781230/fracture-risk-assessment-tool-frax%C3%A2-results-calculated-with-and-without-bone-mineral-density-values-for-the-evaluation-of-fracture-risk-in-postmenopausal-women-with-osteopenia
#5
Ahmet Imerci, Cem Yalın Kılınç, Nevres Hurriyet Aydogan, Mustafa Nazım Karalezli, Ahmet Savran
The aim of this study was to evaluate the agreement between fracture risk predictions based on calculations made with and without bone mineral density (BMD) values using the Fracture Risk Assessment Tool (FRAX®) in Turkish postmenopausal women with osteopenia and to compare the treatment recommendations. This descriptive, cross-sectional study included postmenopausal women aged 50-79 yr with a diagnosis of osteoporosis who were not receiving any treatment. A questionnaire was administered to the participants face-to-face to obtain sociodemographic characteristics, medical history, and fracture history...
August 3, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28781229/height-loss-was-associated-with-osteoporosis-in-korean-elderly-men-not-in-women-the-korea-national-health-and-nutrition-examination-survey-2008-2010
#6
Kyung-Sik Ahn, Chang Ho Kang, Sung Bum Cho, Kyung-Hwan Cho, Kyung-Do Han, Yong-Gyu Park, Yang-Hyun Kim
The degree of height loss varies among individuals, and excessive height loss can be a vertebral fracture or bone loss manifestation. The objective of this study was to examine the relationships between height loss and bone mineral density (BMD) and to assess the prevalence of osteoporosis according to the height loss quartiles. Data from the Korea National Health and Nutrition Examination Survey were analyzed. A total of 2799 participants more than 60 years old were included and subdivided into quartiles according to height loss (Q1-Q4)...
August 3, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28781228/assessment-of-the-bone-mineral-content-in-the-mandible-by-dual-energy-x-ray-absorptiometry-to-evaluate-short-term-change
#7
Yun Sun, Min Min An, Jingmei Wang, Fan Yang, Liying He, Chad A Dudzek, Congjin Liu, Patrick C Cunniff, Xingdang Liu, Tom V Sanchez
With the objective of being able to assess response to disease or clinical treatment, the densitometry community has long sought the ability to assess short-term change in bone density. The mandible, known to have a high bone turnover, an increased vascularity, and a greater susceptibility to osteoclastic and osteoblastic activities, has long been suggested but has fallen short as a site from which to monitor an early change in the response to a treatment or a disease. The current study developed a method to assess bone density in the superimposed left and right mandibles...
August 3, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28756995/an-investigation-into-the-differences-in-bone-density-and-body-composition-measurements-between-2-ge-lunar-densitometers-and-their-comparison-to-a-4-component-model
#8
Laura P E Watson, Michelle C Venables, Peter R Murgatroyd
We describe a study to assess the precision of the GE Lunar iDXA and the agreement between the iDXA and GE Lunar Prodigy densitometers for the measurement of regional- and total-body bone and body composition in normal to obese healthy adults. We compare the whole-body fat mass by dual-energy X-ray absorptiometry (DXA) to measurements by a 4-component (4-C) model. Sixty-nine participants, aged 37 ± 12 yr, with a body mass index of 26.2 ± 5.1 kg/cm(2), were measured once on the Prodigy and twice on the iDXA...
July 27, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28756994/dual-energy-x-ray-absorptiometry-predictors-of-vertebral-deformities-in-beta-thalassemia-major
#9
Giangiacomo Osella, Adriano Massimiliano Priola, Sandro Massimo Priola, Antonio Piga, Filomena Longo, Massimo Ventura, Giuseppe Bentivegna, Alberto Angeli, Andrea Veltri, Massimo Terzolo
Vertebral fractures in beta-thalassemia major are increasingly found because of the longer life expectancy of patients, with a major negative impact on their quality of life. We performed a retrospective cross-sectional study to investigate the prevalence of vertebral deformities in thalassemic patients and to identify their best dual-energy X-ray absorptiometry (DXA) predictor among trabecular bone score (TBS), bone mineral density (BMD), and Z-score. Eighty-two outpatients with beta-thalassemia major on regular conventional treatment were studied at a single academic center...
July 27, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28739083/assessment-of-osteoporosis-fracture-risk-preface
#10
EDITORIAL
Sanford Baim
No abstract text is available yet for this article.
July 21, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28739082/osteoporosis-risk-calculators
#11
Beatrice J Edwards
Osteoporosis is a silent disease until fractures occur, patient recognition is the greatest clinical challenge. Although more than 20 million women in the US are estimated to have established osteoporosis the majority are not appropriately identified. Bone densitometry is the current gold standard for diagnosis of osteoporosis; but may not be feasible or cost-effective to recommend for all postmenopausal women. Therefore, questionnaires incorporating risk factors have been developed to aid the clinician in identifying women with osteoporosis...
July 21, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28739081/quantitative-ultrasound-qus-in-the-management-of-osteoporosis-and-assessment-of-fracture-risk
#12
Didier Hans, Sanford Baim
The use of quantitative ultrasound (QUS) for a variety of skeletal sites, associated with the absence of technology-specific guidelines, has created uncertainty with respect to the application of QUS results to the management of individual patients in clinical practice. However, when prospectively validated (this is not the case for all QUS devices and skeletal sites), QUS is a proven, low-cost, and readily accessible alternative to dual-energy X-ray absorptiometry (DXA) measurements of bone mineral density (BMD) for the assessment of fracture risk...
July 21, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28739080/tools-for-enhancement-and-quality-improvement-of-peer-assessment-and-clinical-care-in-endocrinology-and-metabolism
#13
REVIEW
Aliya Khan, Anne Kenshole, Shereen Ezzat, Jeannette Goguen, Karen Gomez-Hernandez, Rob Hegele, Robyn Houlden, Tisha Joy, Erin Keely, Donald Killinger, André Lacroix, Sheila Laredo, Ally P H Prebtani, M Z Shrayyef, Chris Tran, Stan Van Uum, Rhoda Reardon, Antiope Papageorgiou, William Tays, Merrill Edmonds
Members of the College of Physicians and Surgeons of Ontario Endocrinology and Metabolism Peer Review Network have been involved in a quality improvement project to help standardize the peer assessment of physicians practicing in endocrinology and metabolism. This has included developing state-of-the-art summaries of common endocrine problems by Canadian experts in endocrinology and metabolism. These tools have been developed in response to the educational needs, as identified by peer reviewers, of practicing endocrinologists in Ontario...
July 21, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28735781/the-future-of-fracture-risk-assessment-in-the-management-of-osteoporosis
#14
Sanford Baim
There have been many advances in the field of osteoporosis that add to a greater understanding of skeletal integrity and the adverse effects menopause and aging have on bone. The World Health Organization, the International Osteoporosis Foundation, and numerous additional governmental and privately sponsored organizations, societies, and their respective task forces have provided guidance for the use of appropriate fracture assessment methodologies and fracture risk assessment tools, and for the prevention and management of osteoporosis...
July 20, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28734710/use-of-trabecular-bone-score-tbs-as-a-complementary-approach-to-dual-energy-x-ray-absorptiometry-dxa-for-fracture-risk-assessment-in-clinical-practice
#15
Enisa Shevroja, Olivier Lamy, Lynn Kohlmeier, Fjorda Koromani, Fernando Rivadeneira, Didier Hans
Osteoporosis is a common bone disease characterized by low bone mass and altered bone microarchitecture, resulting in decreased bone strength with an increased risk of fractures. In clinical practice, physicians can assess the risk of fracture for a patient based on several risk factors. Some such as age, weight, and history of fractures after 50 years of age, parental fracture, smoking status, and alcohol intake are incorporated into FRAX, an assessment tool that estimates the 10-year probability of hip fracture and major osteoporotic fractures based on the individual's risk factors profile...
July 19, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28734709/worldwide-fracture-prediction
#16
Ghada El-Hajj Fuleihan, Marlene Chakhtoura, Jane A Cauley, Nariman Chamoun
The substantial increase in the burden of non-communicable diseases in general and osteoporosis in particular, necessitates the establishment of efficient and targeted diagnosis and treatment strategies. This chapter reviews and compares different tools for osteoporosis screening and diagnosis; it also provides an overview of different treatment guidelines adopted by countries worldwide. While access to dual-energy X-ray absorptiometry to measure bone mineral density (BMD) is limited in most areas in the world, the introduction of risk calculators that combine risk factors, with or without BMD, have resulted in a paradigm shift in osteoporosis screening and management...
July 19, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28734708/fractures-and-repeated-falls
#17
Ronald C Hamdy
No abstract text is available yet for this article.
July 19, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28732578/osteoporosis-assessing-fracture-risk
#18
EDITORIAL
Ronald C Hamdy
No abstract text is available yet for this article.
July 18, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28732577/cross-calibration-of-the-ge-prodigy-and-idxa-for-the-measurement-of-total-and-regional-body-composition-in-adults
#19
Brian Oldroyd, Laura Treadgold, Karen Hind
Dual-energy X-ray absorptiometry (DXA) body composition measurements are widely performed in both clinical and research settings, and enable the rapid and noninvasive estimation of total and regional fat and lean mass tissues. DXA upgrading can occur during longitudinal monitoring or study; therefore, cross calibration of old and new absorptiometers is required. We compared soft tissue estimations from the GE Prodigy (GE Healthcare, Madison, WI) with the more recent iDXA (GE Healthcare) and developed translational equations to enable Prodigy values to be converted to iDXA values...
July 18, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28732576/frax-update
#20
John A Kanis, Nicholas C Harvey, Helena Johansson, Anders Odén, William D Leslie, Eugene V McCloskey
The fracture risk assessment tool, FRAX, was released in 2008 and provides country-specific algorithms for estimating individualized 10-year probability of hip and major osteoporotic fracture (hip, clinical spine, distal forearm, and proximal humerus). Since its release, models are now available for 63 countries, covering 79% of the world population. The website receives approximately 3 million visits annually. Following independent validation, FRAX has been incorporated into more than 80 guidelines worldwide...
July 18, 2017: Journal of Clinical Densitometry
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