Femoral Stem Cementation in Primary Total Hip Arthroplasty

El-Othmani, Mouhanad M.; Zalikha, Abdul K.; Cooper, H. John; Shah, Roshan P.

doi:10.2106/jbjs.rvw.22.00111

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2024

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Cited by 2 publications

References 131 publications

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Sports After Total Hip Replacement, Effect, and Limitation

Choon

2024

Sports Injuries

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Sports After Total Hip Replacement, Effect, and Limitation

Choon

2024

Sports Injuries

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Changing practice to a new-generation triple-taper collared femoral component reduces periprosthetic fracture rates after primary total hip arthroplasty

Ricotti,

Flevas,

Sokrab

et al. 2024

Bone Joint J

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AimsPeriprosthetic femoral fracture (PPF) is a major complication following total hip arthroplasty (THA). Uncemented femoral components are widely preferred in primary THA, but are associated with higher PPF risk than cemented components. Collared components have reduced PPF rates following uncemented primary THA compared to collarless components, while maintaining similar prosthetic designs. The purpose of this study was to analyze PPF rate between collarless and collared component designs in a consecutive cohort of posterior approach THAs performed by two high-volume surgeons.MethodsThis retrospective series included 1,888 uncemented primary THAs using the posterior approach performed by two surgeons (PKS, JMV) from January 2016 to December 2022. Both surgeons switched from collarless to collared components in mid-2020, which was the only change in surgical practice. Data related to component design, PPF rate, and requirement for revision surgery were collected. A total of 1,123 patients (59.5%) received a collarless femoral component and 765 (40.5%) received a collared component. PPFs were identified using medical records and radiological imaging. Fracture rates between collared and collarless components were analyzed. Power analysis confirmed 80% power of the sample to detect a significant difference in PPF rates, and a Fisher’s exact test was performed to determine an association between collared and collarless component use on PPF rates.ResultsOverall, 17 PPFs occurred (0.9%). There were 16 fractures out of 1,123 collarless femoral components (1.42%) and one fracture out of 765 collared components (0.13%; p = 0.002). The majority of fractures (n = 14; 82.4%) occurred within 90 days of primary THA. There were ten reoperations for PPF with collarless components (0.89%) and one reoperation with a collared component (0.13%; p = 0.034).ConclusionCollared femoral components were associated with significant decreases in PPF rate and reoperation rate for PPF compared to collarless components in uncemented primary THA. Future studies should investigate whether new-generation collared components reduce PPF rates with longer-term follow-up.Cite this article: Bone Joint J 2024;106-B(3 Supple A):115–120.

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Femoral Stem Cementation in Primary Total Hip Arthroplasty

Cited by 2 publications

References 131 publications

Sports After Total Hip Replacement, Effect, and Limitation

Sports After Total Hip Replacement, Effect, and Limitation

Changing practice to a new-generation triple-taper collared femoral component reduces periprosthetic fracture rates after primary total hip arthroplasty

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