نتایج جستجو برای: dual photon energy absorptiometry dpa
تعداد نتایج: 861485 فیلتر نتایج به سال:
INTRODUCTION The assessment of body composition is relevant to establish nutritional status and identify potential health risks. OBJETIVE a) To develop regression equations to predict fat mass (FM) using a dual-energy X-ray absorptiometry as reference method; b) to propose reference FM values based on chronological and biological age for Chilean children and adolescents. METHODOLOGY Cross-s...
Atypical or silent celiac disease may go undiagnosed for many years and can frequently lead to loss of bone mineral density, with evolution to osteopenia or osteoporosis. The prevalence of the latter conditions, in case of new diagnosis of celiac disease, has been evaluated in many studies but, due to the variability of epidemiologic data and patient features, the results are contradictory. The...
OBJECTIVE To estimate how axial rotation of lumbar vertebrae quantitatively affects bone mineral density, as measured by dual energy X-ray absorptiometry in the anteroposterior plane. DESIGN Observational study. SETTING University teaching hospital, Hong Kong. PATIENTS Cadaver lumbar vertebrae (L2 to L4) were removed from four adults. MAIN OUTCOME MEASURES Using dual energy X-ray absorp...
OBJECTIVE The purposes of this study were to assess the accuracy of clinical measures for predicting adiposity when compared with a criterion standard of body fat percentage measured by dual-energy X-ray absorptiometry and to determine the most appropriate cut points for classifying obesity for each measure in adolescents with physical disability. DESIGN Body mass index, triceps skinfolds, an...
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