نتایج جستجو برای: ray absorptiometry

تعداد نتایج: 303169  

2014
Asadullah Makhdoom Makhdoom Rahopoto Khaleeque Ahmed Siddiqui Ghulam Ali Qureshi

BACKGROUND AND OBJECTIVE An early detection of osteoporosis through DEXA procedure will not only improve the disease management practices but also would help in impeding national productivity losses by mass screening and awareness. Our objective was to measure efficacy of DEXA procedure in early detection of osteoporosis and prevention of its complications. METHODS This case series observatio...

2016
Ayami MAETANI Megumi ITOH Kahori NISHIHARA Takahiro AOKI Masayuki OHTANI Kenichi SHIBANO Mitsunori KAYANO Kazutaka YAMADA

The aim of this study was to assess the measurement of bone mineral density (BMD) by quantitative computed tomography (QCT), comparing the relationships of BMD between QCT and dual-energy X-ray absorptiometry (DXA) and between QCT and radiographic absorptiometry (RA) in the metacarpal bone of Holstein dairy cows (n=27). A significant positive correlation was found between QCT and DXA measuremen...

Journal: :The Journal of clinical investigation 2012
B Lawrence Riggs Sundeep Khosla L Joseph Melton

Some 30 years ago, we applied the newly described method of dual photon absorptiometry (DPA) to demonstrate that osteoporotic women with vertebral fractures had lost substantially more bone from the vertebrae than controls. This opened a whole new field of research into the determinants of bone loss and fractures in the axial skeleton and set the stage for subsequent development of dual-energy ...

2011
Akira Asada

Let log ( d dx ) be the generator of the1-parameter group { d dxa |a ∈ R} of fractional order differentiations acting on the space of operators of Mikusinski ([5]). The Lie algebra glog generated by log ( d dx ) and log x is a deformation and can be regarded as the logarithm of Heisenberg Lie algebra. We show glog is isomorphic to the Lie algebra generated by d ds log(Γ(1 + s)) and d ds . Hence...

2008
Olivier Goulet

• To be aware of how malnutrition presents and how to screen, assess, and monitor patients for nutritional risk and for response to nutritional support; • To be aware of the importance of the routine screening all patients for malnutrition and of the continued monitoring of those at risk; • To appreciate the value of such diagnostic methods combined with measures of growth and development to in...

پایان نامه :دانشگاه تربیت معلم - سبزوار - دانشکده برق و کامپیوتر 1392

در حال حاضر چندین روش برای اندازه گیری چربی زیرپوستی بدن در حوزه های بالینی وجود دارد ، مانند : magnetic resonance imaging(mri)، (computer tomography(ct، ultrasound imaging(us) ، dual energy x-ray absorptiometry(dexa). این روش ها بطور وسیعی در حوزه های بالینی به عنوان وسایل دقیق و مفید ، مورد استفاده قرار می گیرند. به هر حال این روش ها محدودیت های زیادی مانند هزینه بالا و یا خطر تابش اشعه را دا...

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