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

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Analysis reveals stem design impacts periprosthetic femur fracture risk in hip hemiarthroplasty patients, highlighting the importance of collar use.

Cemented composite beam stems are linked to significantly lower periprosthetic femur fracture risks.
Collarless tapered wedge stems exhibited a notably higher hazard ratio of 3.63 compared to composite beam stems.
Statistical analyses were performed using Cox models and adjustments from the Benjamini-Hochberg method.
Findings point to the potential benefits of selecting specific stem designs for reducing fracture risks in elderly patients.

DeRogatis et al. (2025) studied this question.

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Analysis reveals stem design impacts periprosthetic femur fracture risk in hip hemiarthroplasty patients, highlighting the importance of collar use.