Pulsed vibro-acoustic method for assessment of osteoporosis & osteopenia: A feasibility study on human subjects

Siavash Ghavami, Max Denis, Adriana Gregory, Jeremy Webb, Mahdi Bayat, Viksit Kumar, Mostafa Fatemi, Azra Alizad

Research output: Contribution to journalArticle

Abstract

In this paper we propose a new non-invasive ultrasound method, pulsed vibro-acoustic, for evaluating osteoporotic and osteopenic bone in humans. Vibro-acoustic method uses acoustic radiation force (ARF)to stimulate bone and the resulting acoustic signal can be used to characterize bone. The resulting acoustic signal is collected by a hydrophone at the skin surface. Wave velocity and numbers of intrinsic modes are used for analysis. Wave velocity is estimated using the received signal and maximum power mode of the decomposed signal is estimated using variational mode composition from different push points of ARF based on the cross-correlation method. A total of 27 adult volunteers, including healthy and those diagnosed with osteopenia and osteoporosis, were tested. Results of pulsed vibro-acoustic test on tibia of volunteers showed that healthy group could be differentiated from osteoporosis or osteopenia (p < 2 × 10 −5 ). The results of our study support the feasibility of pulsed vibro-acoustic method for measuring mechanical properties of bone and the potential clinical utility of the proposed method for assessment of bone health.

Original languageEnglish (US)
Pages (from-to)187-197
Number of pages11
JournalJournal of the Mechanical Behavior of Biomedical Materials
Volume97
DOIs
StatePublished - Sep 1 2019

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Acoustics
Bone
Radiation
Hydrophones
Correlation methods
Skin
Ultrasonics
Health
Mechanical properties
Chemical analysis

Keywords

  • Acoustic radiation force
  • Bone
  • osteopenia & osteoporosis
  • Ultrasound
  • Vibro-acoustic

ASJC Scopus subject areas

  • Biomaterials
  • Biomedical Engineering
  • Mechanics of Materials

Cite this

Pulsed vibro-acoustic method for assessment of osteoporosis & osteopenia : A feasibility study on human subjects. / Ghavami, Siavash; Denis, Max; Gregory, Adriana; Webb, Jeremy; Bayat, Mahdi; Kumar, Viksit; Fatemi, Mostafa; Alizad, Azra.

In: Journal of the Mechanical Behavior of Biomedical Materials, Vol. 97, 01.09.2019, p. 187-197.

Research output: Contribution to journalArticle

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