Document Detail

Comparison of dual-photon absorptiometry systems for total-body bone and soft tissue measurements: dual-energy X-rays versus gadolinium 153.
MedLine Citation:
PMID:  1858524     Owner:  NLM     Status:  MEDLINE    
A total of 81 subjects (41 males and 40 females) were scanned by dual-photon absorptiometry by 153Gd source (DPA; Lunar DP4) and by dual-energy x-ray absorptiometry (DEXA; Lunar-DPX) within a 24 h period. Total-body bone mineral density (TBMD), calcium content (Ca), and soft tissue mass (ST) were determined with a precision of about 1-1.5% using DPA and 0.5-1.0% using DEXA. Measurements of TBMD, Ca, ST, bone area (area), percentage fat, and regional bone mineral densities (BMD) were compared. Paired t-tests showed small but significant differences between all measurements. Correlations (r) for TBMD, Ca, area, ST, percentage fat, arm BMD, leg BMD, and trunk BMD were 0.99, 0.99, 0.97, 0.99, 0.97, 0.99, 0.99, and 0.98. There were small systematic differences for TBMD (less than 1%), calcium (3%), bone area (3%), soft tissue mass (7%), and percentage fat (9%) between the two approaches. Regression equations are given relating these measurements.
M Russell-Aulet; J Wang; J Thornton; R N Pierson
Related Documents :
9814524 - Accuracy of cortical and trabecular bone measurements with peripheral quantitative comp...
9725604 - Clinical evaluation of a high-resolution new peripheral quantitative computerized tomog...
8805984 - Resorption kinetics of osseous substitute: natural coral and synthetic hydroxyapatite.
8301284 - Femoral neck bone density. direct measurement and histomorphometric validation.
24724114 - Comparison of mta and cem cement microleakage in repairing furcal perforation, an in vi...
24090524 - Long-term follow-up of spinal cord stimulation to restore cough in subjects with spinal...
Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research     Volume:  6     ISSN:  0884-0431     ISO Abbreviation:  J. Bone Miner. Res.     Publication Date:  1991 Apr 
Date Detail:
Created Date:  1991-08-28     Completed Date:  1991-08-28     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  8610640     Medline TA:  J Bone Miner Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  411-5     Citation Subset:  IM    
Department of Medicine, St. Luke's/Roosevelt Hospital Center, Columbia University College of Physicians and Surgeons, New York, NY.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Absorptiometry, Photon / methods*
Bone Density*
Calcium / analysis
Connective Tissue / anatomy & histology,  chemistry
Gadolinium / diagnostic use
Lipids / analysis
Radioisotopes / diagnostic use
Regression Analysis
Grant Support
Reg. No./Substance:
0/Lipids; 0/Radioisotopes; 7440-54-2/Gadolinium; 7440-70-2/Calcium

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  A systemic acceleratory phenomenon (SAP) accompanies the regional acceleratory phenomenon (RAP) duri...
Next Document:  Measurement of mechanical properties of bone material in vitro by ultrasound reflection: methodology...