Comparison of ultrasound transmission velocity with computed metacarpal radiogrammetry and dual-photon absorptiometry

1996 ◽  
Vol 6 (2) ◽  
Author(s):  
A.Sili Scavalli ◽  
M. Marini ◽  
A. Spadaro ◽  
V. Riccieri ◽  
A. Cremona ◽  
...  
Keyword(s):  
Dual Photon Absorptiometry ◽  
Photon Absorptiometry ◽  
Metacarpal Radiogrammetry ◽  
Transmission Velocity

Total body bone mineral and lean body mass by dual-photon absorptiometry

1981 ◽  
Vol 33 (1) ◽  
pp. 361-363 ◽  
Author(s):  
B. Mazess ◽  
Walter W. Peppler ◽  
Charles H. Chesnut ◽  
Wil B. Nelp ◽  
Stanton H. Cohn ◽  
...  
Keyword(s):  
Lean Body Mass ◽  
Body Mass ◽  
Bone Mineral ◽  
Dual Photon Absorptiometry ◽  
Photon Absorptiometry ◽  
Total Body ◽  
Total Body Bone Mineral ◽  
Body Bone

Measuring body fat: calibrating the rulers. Intermethod comparisons in 389 normal Caucasian subjects

1991 ◽  
Vol 261 (1) ◽  
pp. E103-E108 ◽  
Author(s):  
R. N. Pierson ◽  
J. Wang ◽  
S. B. Heymsfield ◽  
M. Russell-Aulet ◽  
M. Mazariegos ◽  
...  
Keyword(s):  
Body Weight ◽  
Fat Body ◽  
Dual Photon Absorptiometry ◽  
Bioimpedance Analysis ◽  
Conductivity Measurements ◽  
Photon Absorptiometry ◽  
Population Means ◽  
Independent Variable ◽  
Total Body ◽  
Linear Regressions

A systematic study of 389 normal Caucasians stratified for sex and age compared all of the traditional methods for measuring fat: body water, underwater weighing, body potassium, and anthropometrics and the newer methods of dual-photon absorptiometry, bioimpedance analysis, and total body electrical conductivity. Measurements by all methods are highly intercorrelated, but methods differences show the population means for fat percent to range from 26 to 35% of body weight across eight methods. All methods show increasing fat (as % body weight) with age in both sexes but vary in secular slope. The goal of this report is to provide direct translations between each of the eight methods. Intermethod comparison equations are given as simple linear regressions by using each method both as dependent and independent variable for each sex, permitting translation for results by any method to any other.

Studies of Soft Tissue Body Composition Using Single and Dual Photon Absorptiometry

1990 ◽  
pp. 219-225
Author(s):  
Christian Hassager ◽  
Jan Pødenphant ◽  
Elsebeth Iversen ◽  
Claus Christiansen
Keyword(s):  
Body Composition ◽  
Soft Tissue ◽  
Dual Photon Absorptiometry ◽  
Photon Absorptiometry

Measurement of lumbar spine bone mineral: a comparison of dual photon absorptiometry and computed tomography

1985 ◽  
Vol 58 (691) ◽  
pp. 621-624 ◽  
Author(s):  
P. N. Sambrook ◽  
C. Bartlett ◽  
R. Evans ◽  
R. Hesp ◽  
D. Katz ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Lumbar Spine ◽  
Bone Mineral ◽  
Dual Photon Absorptiometry ◽  
Photon Absorptiometry

Effects of spaceflight on bone mineralization in the rhesus monkey

1996 ◽  
Vol 81 (1) ◽  
pp. 194-200 ◽  
Author(s):  
E. Zerath ◽  
V. Novikov ◽  
A. Leblanc ◽  
A. Bakulin ◽  
V. Oganov ◽  
...  
Keyword(s):  
Mineral Content ◽  
Iliac Crest ◽  
Simulation Experiment ◽  
Bone Mineralization ◽  
Dual Photon Absorptiometry ◽  
Photon Absorptiometry ◽  
Backscattered Electrons ◽  
Control Situations ◽  
Mineralization Processes ◽  
Male Rhesus

We combined dual-photon absorptiometry, iliac crest histomorphometry, and backscattered electrons analysis to characterize bone mineralization effects of a spaceflight on young monkeys. Two 4- to 5-kg male rhesus monkeys (Macaca mulatta) were flown during a 11.5-day spaceflight that took place onboard Cosmos 2229 biosatellite (Bion 10). Vivarium (n = 4) and Earth-based chair (n = 4) control situations were studied for comparison. Flight monkeys exhibited lower values of iliac cancellous bone volume, associated with nonsignificantly thinner trabeculae. Bone mineralization rate and the proportion of trabecular bone surface involved in mineralization processes were found markedly reduced after spaceflight. Analysis of embedded sections by backscattered electrons imaging showed a nonsignificant shift to lower mineralization in the flight biopsies vs. postflight mock-up biopsies. These results were in accordance with dual-photon absorptiometry evaluations showing a tendency for decreased bone mineral content during flight and recovery thereafter. The ground simulation experiment performed on the same monkeys more than 1 mo after landing suggests that the observed effects were specifically related to spaceflight and that the animals had only partially recovered. Additional animals on future flights will be required to confirm these findings.

Sign in / Sign up

Export Citation Format

Share Document