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ArticleRheumatology international2024

DXA-based appendicular composition measures in healthy aging Caucasian Greek women: a cross-sectional study.

Stavroula J Theodorou, Daphne J Theodorou, Vassiliki Kigka, Ioannis Gkiatas, Andreas Fotopoulos

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Article in Rheumatology international, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

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5 authors.

Stavroula J TheodorouDepartment of Radiology, University Hospital of Ioannina, Ioannina, Greece. rjtheodorou@hotmail.com.ORCID 0000-0002-2414-4629
Daphne J TheodorouDepartment of Radiology, General Hospital of Ioannina and National Healthcare System, Ioannina, Greece.ORCID 0000-0002-2477-3871
Vassiliki KigkaDepartment of Orthopaedic Surgery, University of Ioannina, Ioannina, Greece.ORCID 0009-0005-0580-7334
Ioannis GkiatasDepartment of Orthopaedic Surgery, University of Ioannina, Ioannina, Greece.ORCID 0000-0003-2541-5467
Andreas FotopoulosDepartment of Nuclear Medicine, University of Ioannina, Ioannina, Greece.ORCID 0000-0002-6468-0768

Funding

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6 · The paper itself

Abstract

As the global population of older persons increases, age-related medical conditions will have a greater impact on public health. DXA-derived bone and soft tissue metrics are associated with adverse clinical events in aging persons. This study aims to investigate the regional body composition of the appendices by whole-body DXA scans, and the age-related relationships between measures of bone and soft tissue in healthy Caucasian females of a Greek origin residing in the Mediterranean area. Body composition of the legs and the arms was analyzed, and lean mass (LM) and fat mass (FM) metrics were calculated in 330 women aged 20-85 years, using DXA. Peak bone mineral density (BMD) of the legs and arms was achieved between ages 20-30 and 41-50 years, respectively. The overall BMD reduction with age was for the legs 43% and the arms 32.2% (p < 0.001). Peak %LM of the legs and the arms was achieved between ages 20-30. The overall reduction of %LM with age was for the legs 22.5% (p < 0.001) and arms 6.6% (p < 0.05). Peak %FM of the legs and arms was attained between ages 31-40 and 61-70, respectively. The overall %FM reduction with age was for the legs and arms 7.5% and 1.9% (p > 0.05). In appendicular sites, Greek women reach peak values of bone mass in the legs first, in early adulthood. Bone loss predominates in the legs as women age. Also, with advancing age Greek women show preferential significant decreases of %LM and %FM in the legs as opposed to the arms. Although variation in appendicular bone and soft tissue metrics is present, the implications of variable biological crosstalks among the tissue components as women age may ultimately lay the foundation for future clinical trials aimed at healthy aging.

Indexed as

Body CompositionBone DensityWhite PeopleAbsorptiometry, PhotonAdultAgedAged, 80 and overAge FactorsAgingCross-Sectional StudiesEuropean PeopleFemaleGreeceHealthy AgingHumansLegAgeArmsBody compositionDXAFat massLean massLegsLimbsWhole body

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.