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Prediction of mechanical properties of cortical bone by quantitative computed tomography

✍ Scribed by L. Duchemin; V. Bousson; C. Raossanaly; C. Bergot; J.D. Laredo; W. Skalli; D. Mitton

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
515 KB
Volume
30
Category
Article
ISSN
1350-4533

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✦ Synopsis

The relevance of Finite-Element models for hip fracture prediction should be increased by the recent subject-specific methods based on computed tomography (CT-scan), regarding the geometry as well as the material properties. The present study focused on the prediction of subject-specific mechanical parameters of cortical bone (Young's modulus and ultimate strength) from the bone density measured by CT. A total of 46 compression and 46 tension samples from 13 donors (mean age+/-S.D.: 81.8+/-12.7 years) were harvested in the femoral mid-diaphysis and tested until failure. The Young's modulus and ultimate strength were linearly correlated with the bone density measured by CT, for tension as well as compression (0.43

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