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Towards a patient-specific estimation of intra-operative femoral fracture risk

Author

Listed:
  • L. Esposito
  • P. Bifulco
  • P. Gargiulo
  • M.K. Gíslason
  • M. Cesarelli
  • L. Iuppariello
  • H. Jónsson
  • A. Cutolo
  • M. Fraldi

Abstract

Total Hip Arthroplasty requires pre-surgical evaluation between un-cemented and cemented prostheses. A Patient with intra-operative periprosthetic fracture and another with a successful outcome were recruited, and their finite element models were constructed by processing CT data, assuming elastic-plastic behavior of the bone as function of the local density. To resemble the insertion of the prosthesis into the femur, a fictitious thermal dilatation is applied to the broach volume. Strain-based fracture risk factor is estimated, depicting results in terms of the total mechanical strain expressed using a simple “traffic lights” color code to provide immediate, concise, and intelligible pre-operative information to surgeons.

Suggested Citation

  • L. Esposito & P. Bifulco & P. Gargiulo & M.K. Gíslason & M. Cesarelli & L. Iuppariello & H. Jónsson & A. Cutolo & M. Fraldi, 2018. "Towards a patient-specific estimation of intra-operative femoral fracture risk," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 21(12), pages 663-672, September.
    • Handle: RePEc:taf:gcmbxx:v:21:y:2018:i:12:p:663-672
    DOI: 10.1080/10255842.2018.1508570
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