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April 8, 2026CureusOpen Access

Risk of Intraoperative Periprosthetic Femoral Fracture According to Cementless Femoral Stem Geometry: A Cohort Study Based on the Radaelli Classification

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Authors

JIJorge IzquierdoInstituto Nacional de RehabilitaciónJKJacobo KerbelCentro Médico ABCGAGilberto Palafox ApodacaCentro Médico ABC

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Overview

Cohort study evaluates femoral stem geometry impact on intraoperative fracture risk in THA, suggesting no major associations.

Key Points

  • To evaluate the relationship between cementless femoral stem geometry and the risk of intraoperative periprosthetic fractures during total hip arthroplasties.
  • Retrospective cohort study of patients undergoing primary THA with uncemented femoral components.
  • Utilized the Radaelli classification to categorize femoral stem geometry.
  • Collected demographic, clinical, and surgical data from electronic medical records.
  • Performed logistic regression to assess associations between stem geometry and fracture risk.
  • Included 1,384 patients with an incidence of intraoperative fractures at 3.6%.
  • Flat wedge stems had the highest proportion of fractures (34% of total).
  • Only C2 fit-and-fill stem geometry showed a potential association with increased fracture risk, but based on a small sample.

Cite This Study

Izquierdo et al. (2026) studied this question.

synapsesocial.com/papers/69d5efd374eaea4b11a795dfhttps://doi.org/10.7759/cureus.106425
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Also Consider

Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Improved Survival of Uncemented versus Cemented Femoral Stems in Patients Aged < 70 Years in a Community Total Joint Registry2013 · 65 citations
  2. 2Periprosthetic Fractures Evaluation and Treatment2004 · 472 citations
  3. 3Epidemiology of total hip arthroplasty: demographics, comorbidities and outcomes2023 · 169 citations
  4. 4Intraoperative Periprosthetic Fractures During Total Hip Arthroplasty2008 · 223 citations