September 23, 2025Journal of the American Academy of Orthopaedic Surgeons

Periprosthetic Femur Fractures in Hemiarthroplasty Correlated With Stem Type: An Analysis From the American Joint Replacement Registry

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Authors

MDMichael J. DeRogatis IZIsabella Zaniletti ACAntonia F. Chen

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Implication

Analysis shows cemented composite beam stems reduce periprosthetic femur fracture risk in geriatric patients, suggesting stem types influence outcomes.

Key Points

Cemented composite beam stems exhibited a significantly lower risk of periprosthetic femur fractures compared with other designs.
Collarless tapered wedge stems showed a higher hazard ratio for fractures, significantly increasing fracture risk in older patients.
Data from the American Joint Replacement Registry indicated demographic patterns were consistent across 56,828 hemiarthroplasties.
The presence of a collar on femoral stems was linked to reduced fracture risk, particularly notable in tapered wedge designs.

Cite This Study

DeRogatis et al. (2025) studied this question.

synapsesocial.com/papers/68d43ed1713b0b5dfea7dfba https://doi.org/10.5435/jaaos-d-25-00406

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Implication

Analysis shows cemented composite beam stems reduce periprosthetic femur fracture risk in geriatric patients, suggesting stem types influence outcomes.