Results 281 to 290 of about 106,244 (300)
Some of the next articles are maybe not open access.
Comparison of Heel Ultrasound and Finger DXA to Central DXA in the Detection of Osteoporosis
Journal of Clinical Densitometry, 2002The goal of the study was to investigate the potential discordance in patient management when a clinician assumes that a peripheral device is a diagnostic surrogate for central DXA in the detection and treatment of osteoporosis. Over a period of 2 mo, asymptomatic women seeking conventional central DXA evaluation for osteoporosis at a diagnostic ...
Rebecca S. Lewis +2 more
openaire +3 more sources
Requirements for DXA for the management of osteoporosis in Europe
Osteoporosis International, 2004The availability of dual energy X-ray absorptiometry (DXA) varies markedly in different countries. There is, however, little information to indicate the optimal requirements for this technology. The principal aim of this study was to estimate the requirements for DXA in Europe for the assessment and treatment of osteoporosis. Three assessment scenarios
Olof Johnell, John A. Kanis
openaire +3 more sources
Monitoring change with DXA scanning [PDF]
Radiography, 2002 It is frequently the case that it is necessary to be able to detect small changes in patient bone mineral density (BMD) rather than to determine accurately, its absolute value. This occurs when it is necessary to follow the progress of drug therapy. Given that the changes involved may take place over months or years it is essential to be certain that ...
openaire +1 more source
2009
Densitometry has primarily been a quantitative measurement technique. The first skeletal images from a densitometer, as seen in Fig. 2-7 in an earlier chapter, were only vaguely reminiscent of the actual bone. The poor image quality had little effect on the ability to quantify the bone density, which was the primary purpose of the various techniques ...
openaire +2 more sources
Densitometry has primarily been a quantitative measurement technique. The first skeletal images from a densitometer, as seen in Fig. 2-7 in an earlier chapter, were only vaguely reminiscent of the actual bone. The poor image quality had little effect on the ability to quantify the bone density, which was the primary purpose of the various techniques ...
openaire +2 more sources
30 years of DXA technology innovations
Bone, 2017As the successor of Dual Photon Absorptiometry (DPA), Dual X-ray Absorptiometry (DXA) has seen 30years of continuous technological innovations. Implementation of measures for standardization and quality assurance made DXA a reliable and clinically useful approach.
openaire +3 more sources
DXA body composition: theory and practice
Applied Radiation and Isotopes, 1998Dual energy X-ray absorptiometry (DXA) was used to measure human body composition on a high speed fan beam scanner. High and low energy attenuation pairs, produced by the various combinations of fat mass and fat-free mass in the human body, were compared to attenuation values produced by standard materials (aluminum and acrylic).
Thomas L. Kelly +2 more
openaire +3 more sources
Performing a DXA PA Lumbar Spine, Proximal Femur, or Forearm DXA Study
2012The most commonly studied regions of the skeleton remain to be the PA lumbar spine, proximal femur, and forearm in spite of the development of software applications that allow measurement of virtually any skeletal region. The manufacturers of DXA devices provide instructions for patient positioning for the different types of DXA studies that can be ...
Lori Ann Lewis, Sydney Lou Bonnick
openaire +2 more sources
Indications for DXA in Children and Adolescents
2016The importance of considering pediatric bone health for osteoporosis prevention is well established. Genetic factors, malnutrition, hormonal disorders, medications, immobilization, and chronic illness during childhood and adolescence may compromise bone size, mineral content accrual, and bone quality.
Catherine M. Gordon, Sarah Pitts
openaire +2 more sources
Composizione corporea con tecnica DXA
2009La scansione total body consente un’analisi a tre compartimenti dell’intero corpo (Figg. 36.1 e 36.2) grazie alla quale e possibile ottenere con un’unica scansione i risultati relativi alla misurazione totale e distrettuale della massa ossea espressa in BMD (Fig. 36.3) e della composizione corporea, distinta in massa grassa (fat mass, FM) e massa magra
ALBANESE, CARLINA VENERANDA +2 more
openaire +3 more sources
Acquisition of DXA in Children and Adolescents
2007The aim of this chapter is to provide the operator with the basic information required to achieve a good-quality dual-energy x-ray absorptiometry (DXA) scan. Topics such as patient preparation, standard scan acquisition, and typical acquisition problems are discussed.
Kyla Kent +3 more
openaire +2 more sources