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Related Experiment Videos

Peripheral bone densitometry: Clinical applications.

Sergio Ragi Eis1, E Michael Lewiecki

  • 1CEDOES-Centro de Diagnostico e Pesquisa, Vitória, Brazil. seragi@cedoes.com.br

Arquivos Brasileiros De Endocrinologia E Metabologia
|November 23, 2006
PubMed
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Peripheral bone density measurement technologies, including DXA, aid in assessing fracture risk. However, they are not standard for diagnosing osteoporosis or monitoring treatment, though useful when central DXA is unavailable.

Area of Science:

  • Orthopedics
  • Radiology
  • Gerontology

Background:

  • Bone mineral density (BMD) and bone strength measurements at peripheral sites have been researched since the 1960s.
  • Various technologies including SPA, RA, RG, SXA, pDXA, and QUS have been evaluated for peripheral skeletal assessment.

Purpose of the Study:

  • To review technologies for measuring peripheral bone strength and density.
  • To discuss their clinical applications and evidence supporting their use in fracture risk assessment.

Main Methods:

  • Review of historical and current technologies for peripheral bone density measurement.
  • Evaluation of scientific evidence for clinical applications of SPA, RA, RG, SXA, pDXA, and QUS.

Main Results:

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  • Peripheral skeletal measurements are supported by evidence for fracture risk assessment.
  • Current standards do not permit osteoporosis diagnosis using peripheral measurements, except for the one-third radius by DXA.
  • Peripheral sites are not ideal for monitoring BMD changes during disease progression or treatment.

Conclusions:

  • Peripheral BMD measurements can help identify individuals who might benefit from intervention, especially when central DXA is inaccessible.
  • Peripheral BMD testing may serve as a screening tool for central DXA, pending development of device-specific cut-points.
  • While not for diagnosis or monitoring, peripheral bone density assessments play a role in managing fracture risk.