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Titolo:
Accuracy and precision of dual-energy X-ray absorptiometry for body composition measurements in rhesus monkeys
Autore:
Black, A; Tilmont, EM; Baer, DJ; Rumpler, DK; Roth, GS; Lane, MA;
Indirizzi:
NIA, Nutr Mol Physiol Unit, Neurosci Lab,Gerontol Res Ctr, NIH, Baltimore,MD 21224 USA NIA Baltimore MD USA 21224 ,Gerontol Res Ctr, NIH, Baltimore,MD 21224 USA USDA ARS, Beltsville Human Nutr Res Ctr, Diet & Human Performance Lab, Beltsville, MD 20705 USA USDA ARS Beltsville MD USA 20705 erformance Lab, Beltsville, MD 20705 USA
Titolo Testata:
JOURNAL OF MEDICAL PRIMATOLOGY
fascicolo: 2, volume: 30, anno: 2001,
pagine: 94 - 99
SICI:
0047-2565(200104)30:2<94:AAPODX>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
SOFT-TISSUE COMPOSITION; CHEMICAL-ANALYSIS; CARCASS ANALYSIS; PIGS; VALIDATION; PIGLETS; INFANTS; INVIVO; RATS;
Keywords:
BMC; chemical analysis; DXA; fat; lean; nonhuman primates;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: Black, A NIA, Nutr Mol Physiol Unit, Neurosci Lab,Gerontol Res Ctr, NIH, 5600 Nathan Shock Dr, Baltimore, MD 21224 USA NIA 5600 Nathan Shock Dr Baltimore MD USA 21224 ore, MD 21224 USA
Citazione:
A. Black et al., "Accuracy and precision of dual-energy X-ray absorptiometry for body composition measurements in rhesus monkeys", J MED PRIM, 30(2), 2001, pp. 94-99

Abstract

Accuracy of body composition measurements by dual-energy X-ray absorptiometry (DXA) was compared with direct chemical analysis in 10 adult rhesus monkeys. DXA was highly correlated (r-values > 0.95) with direct analyses of body fat mass (FM), lean mass (LM) and lumbar spine bone mineral content (BMC). DXA measurements of total body BMC were not as strongly correlated (r-value = 0.58) with total carcass ash content. DXA measurements of body FM, LM and lumbar spine BMC were not different from data obtained by direct analyses (P-values > 0.30). In contrast, DXA determinations of total BMC (TBMC)averaged 15% less than total carcass ash measurements (P = 0.002). In conclusion, this study confirms the accurate measurement of fat and lean tissuemass by DXA in rhesus monkeys. DXA also accurately measured lumbar spine BMC but underestimated total body BMC as compared with carcass ash determinations.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 19/01/20 alle ore 20:43:26