Non-invasive vibrometry-based diagnostic detection of acetabular cup loosening in Total Hip Replacement (THR)

Abdullah A. Alshuhri, Timothy P. Holsgrove, Anthony W. Miles, James L. Cunningham

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2 Citations (Scopus)
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Abstract

Total hip replacement is aimed at relieving pain and restoring function. Currently, imaging techniques are primarily used as a clinical diagnosis and follow-up method. However, these are unreliable for detecting early loosening, and this has led to the proposal of novel techniques such as vibrometry. The present study had two aims, namely, the validation of the outcomes of a previous work related to loosening detection, and the provision of a more realistic anatomical representation of the clinical scenario. The acetabular cup loosening conditions (secure, and 1 and 2 mm spherical loosening) considered were simulated using Sawbones composite bones. The excitation signal was introduced in the femoral lateral condyle region using a frequency range of 100–1500 Hz. Both the 1 and 2 mm spherical loosening conditions were successfully distinguished from the secure condition, with a favourable frequency range of 500–1500 Hz. The results of this study represent a key advance on previous research into vibrometric detection of acetabular loosening using geometrically realistic model, and demonstrate the clinical potential of this technique.

Original languageEnglish
Pages (from-to)188-195
JournalMedical Engineering & Physics
Volume48
Early online date11 Jul 2017
DOIs
Publication statusPublished - Oct 2017

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Hip Replacement Arthroplasties
Bone
Imaging techniques
Bone and Bones
Composite materials
Thigh
Pain
Research

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Non-invasive vibrometry-based diagnostic detection of acetabular cup loosening in Total Hip Replacement (THR). / Alshuhri, Abdullah A.; Holsgrove, Timothy P.; Miles, Anthony W.; Cunningham, James L.

In: Medical Engineering & Physics , Vol. 48, 10.2017, p. 188-195.

Research output: Contribution to journalArticle

Alshuhri, Abdullah A. ; Holsgrove, Timothy P. ; Miles, Anthony W. ; Cunningham, James L. / Non-invasive vibrometry-based diagnostic detection of acetabular cup loosening in Total Hip Replacement (THR). In: Medical Engineering & Physics . 2017 ; Vol. 48. pp. 188-195.
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