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Skeletal muscle mass in hospitalized elderly patients: comparison of measurements by single-frequency BIA and DXA
Sahlgrenska University Hospital.
Monash University.
Sahlgrenska University Hospital.ORCID iD: 0000-0002-3692-7014
Monash University.
2014 (English)In: Clinical Nutrition, ISSN 0261-5614, E-ISSN 1532-1983, Vol. 33, no 3, 426-431 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND & AIMS: There is increasing interest in estimating skeletal muscle mass (SMM) in clinical practice. We aimed to validate a bioelectrical impedance analysis (BIA) prediction equation for SMM, developed in a different healthy elderly population, in a population of hospital patients aged 70 and over, by comparison with dual-energy X-ray absorptiometry (DXA) SMM estimates. Comparison was also made with two other previously published BIA muscle prediction equations.

METHODS: Muscle measurements by BIA and DXA were compared in 117 patients with a range of clinical conditions (45 female, 72 male, mean age 75 years).

RESULTS: The BIA equation used yielded an accurate estimate of DXA-derived SMM. Mean (SD) difference was 0.26(1.79) kg (ns). The two other BIA equations over-estimated SMM compared to DXA (both p < 0.001), but all equations were highly correlated.

CONCLUSIONS: The BIA equation used, developed in a different healthy elderly population, gave an accurate estimate of DXA-derived SMM in a population with various clinical disorders. BIA appears potentially capable to estimate SMM in clinical disorders, but the optimal approach to its use for this purpose requires further investigation.

Place, publisher, year, edition, pages
2014. Vol. 33, no 3, 426-431 p.
National Category
Gerontology, specializing in Medical and Health Sciences
Identifiers
URN: urn:nbn:se:hkr:diva-12821DOI: 10.1016/j.clnu.2013.06.007ISI: 000336711200008PubMedID: 23827183OAI: oai:DiVA.org:hkr-12821DiVA: diva2:743664
Available from: 2014-09-04 Created: 2014-09-04 Last updated: 2015-01-27Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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More styles
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