Seasonality of Periprosthetic Femur Fractures in 12,700 Primary and Revision Total Hip Arthroplasties

William H. Trousdale, Matthew Abdel, Anthony Viste, Robert T. Trousdale, John J. Callaghan, Daniel J. Berry

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Background Periprosthetic femur fractures after primary and revision total hip arthroplasty (THA) are one of the most common long-term reasons for reoperation after THA. Previous investigations have analyzed the incidence and risk factors of these fractures. No previous study, however, has analyzed a variation in periprosthetic femur fractures between meteorologic seasons. The aim of this study was to compare the incidence of periprosthetic femur fractures after primary and revision THAs depending on the meteorologic season. Methods We identified 8920 patients (10,672 hips) who underwent primary THAs and 1830 patients (1998 hips) who underwent revision THAs at our institution between 1995 and 2011. All patients resided in the Upper Midwest at the time of surgery. Patients who experienced periprosthetic femur fractures were identified and categorized based on the meteorologic season. A Cox model was used to assess the association of seasonality with the risk of fracture. Results During the study period, 165 primary THAs and 80 revision THAs sustained a periprosthetic femur fracture. Using winter as a reference, the risk of a periprosthetic femur fracture after primary THA was not statistically higher in the spring (hazard ratio [HR] = 1.3; P =.2), autumn (HR = 1.4; P =.2), and summer (HR = 1.415; P =.1). Similarly, the risk of periprosthetic femur fracture after revision THA was not statistically higher in the spring (HR = 0.9; P =.6), autumn (HR = 0.6; P =.1), and summer (HR = 0.9; P = 1.0). Conclusion The risk of periprosthetic femur fracture after primary and revision THA does not significantly differ between meteorologic seasons.

Original languageEnglish (US)
Pages (from-to)2000-2004
Number of pages5
JournalJournal of Arthroplasty
Volume32
Issue number6
DOIs
StatePublished - Jun 1 2017

Fingerprint

Periprosthetic Fractures
Arthroplasty
Femur
Hip
Tacrine
Incidence
Reoperation
Proportional Hazards Models

Keywords

  • femur
  • periprosthetic fractures
  • primary total hip arthroplasty
  • revision total hip arthroplasty
  • seasonal variation
  • total hip arthroplasty

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

Cite this

Seasonality of Periprosthetic Femur Fractures in 12,700 Primary and Revision Total Hip Arthroplasties. / Trousdale, William H.; Abdel, Matthew; Viste, Anthony; Trousdale, Robert T.; Callaghan, John J.; Berry, Daniel J.

In: Journal of Arthroplasty, Vol. 32, No. 6, 01.06.2017, p. 2000-2004.

Research output: Contribution to journalArticle

Trousdale, William H. ; Abdel, Matthew ; Viste, Anthony ; Trousdale, Robert T. ; Callaghan, John J. ; Berry, Daniel J. / Seasonality of Periprosthetic Femur Fractures in 12,700 Primary and Revision Total Hip Arthroplasties. In: Journal of Arthroplasty. 2017 ; Vol. 32, No. 6. pp. 2000-2004.
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abstract = "Background Periprosthetic femur fractures after primary and revision total hip arthroplasty (THA) are one of the most common long-term reasons for reoperation after THA. Previous investigations have analyzed the incidence and risk factors of these fractures. No previous study, however, has analyzed a variation in periprosthetic femur fractures between meteorologic seasons. The aim of this study was to compare the incidence of periprosthetic femur fractures after primary and revision THAs depending on the meteorologic season. Methods We identified 8920 patients (10,672 hips) who underwent primary THAs and 1830 patients (1998 hips) who underwent revision THAs at our institution between 1995 and 2011. All patients resided in the Upper Midwest at the time of surgery. Patients who experienced periprosthetic femur fractures were identified and categorized based on the meteorologic season. A Cox model was used to assess the association of seasonality with the risk of fracture. Results During the study period, 165 primary THAs and 80 revision THAs sustained a periprosthetic femur fracture. Using winter as a reference, the risk of a periprosthetic femur fracture after primary THA was not statistically higher in the spring (hazard ratio [HR] = 1.3; P =.2), autumn (HR = 1.4; P =.2), and summer (HR = 1.415; P =.1). Similarly, the risk of periprosthetic femur fracture after revision THA was not statistically higher in the spring (HR = 0.9; P =.6), autumn (HR = 0.6; P =.1), and summer (HR = 0.9; P = 1.0). Conclusion The risk of periprosthetic femur fracture after primary and revision THA does not significantly differ between meteorologic seasons.",
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AB - Background Periprosthetic femur fractures after primary and revision total hip arthroplasty (THA) are one of the most common long-term reasons for reoperation after THA. Previous investigations have analyzed the incidence and risk factors of these fractures. No previous study, however, has analyzed a variation in periprosthetic femur fractures between meteorologic seasons. The aim of this study was to compare the incidence of periprosthetic femur fractures after primary and revision THAs depending on the meteorologic season. Methods We identified 8920 patients (10,672 hips) who underwent primary THAs and 1830 patients (1998 hips) who underwent revision THAs at our institution between 1995 and 2011. All patients resided in the Upper Midwest at the time of surgery. Patients who experienced periprosthetic femur fractures were identified and categorized based on the meteorologic season. A Cox model was used to assess the association of seasonality with the risk of fracture. Results During the study period, 165 primary THAs and 80 revision THAs sustained a periprosthetic femur fracture. Using winter as a reference, the risk of a periprosthetic femur fracture after primary THA was not statistically higher in the spring (hazard ratio [HR] = 1.3; P =.2), autumn (HR = 1.4; P =.2), and summer (HR = 1.415; P =.1). Similarly, the risk of periprosthetic femur fracture after revision THA was not statistically higher in the spring (HR = 0.9; P =.6), autumn (HR = 0.6; P =.1), and summer (HR = 0.9; P = 1.0). Conclusion The risk of periprosthetic femur fracture after primary and revision THA does not significantly differ between meteorologic seasons.

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