PSI - Issue 42

N.S. Hennicke et al. / Procedia Structural Integrity 42 (2022) 404–411 Hennicke et al. / Structural Integrity Procedia 00 (2022) 000 – 000

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Fig. 5. Equivalent plastic strains of the femurs with a T-score of 0 from a posterior view after crack propagation A : 1L; B : 3L

4. Conclusions The findings of this study are summarized as follows: •

The fracture load of a femur with an artificial hip stem decreases with advancing age and even more considerably for patients who already start out with a low BMD and Z-score at a young age. • Both, stiffness and fracture load are reduced with an increasing severity of osteoporosis. • The BMD alone is an insufficient medical indicator for the severity of osteoporosis. • The fracture patterns of PFF simulated with the herein described damage modelling approach only depend on bone geometry, density distribution and implant characteristics. • Implant related risk factors on osteoporotic PFF like implant design and anchoring technique need to be further investigated. Conflict of interest statement No conflict of interest.