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Erschienen in: European Journal of Orthopaedic Surgery & Traumatology 5/2021

14.04.2021 | Original Article

Biomechanics of periprosthetic femur fractures and early weightbearing

verfasst von: Ansab Khwaja, William Mahoney, Jay Johnson, Alex Trompeter, Jason Lowe

Erschienen in: European Journal of Orthopaedic Surgery & Traumatology | Ausgabe 5/2021

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Abstract

Purpose

The incidence of periprosthetic fractures is expected to rise increase by 4.6% every 10 years between 2015 and 2060. There are few large series examining optimal fixation constructs or the influence of early ambulation on outcome. The purpose of this narrative review is to investigate the published biomechanical considerations for periprosthetic fracture fixation, with specific consideration of early postoperative weightbearing.

Methods

A literature review was performed to identify fracture incidences, etiology, and current trends in weightbearing after fixation. Benefits of early weightbearing, current constructs, and biomechanics are reviewed.

Results

The limited data available support medical benefits and increased union rates with early mobilization. Optimal fixation constructs are not agreed upon, but mechanical studies suggest that dual implant constructs can support physiologic weightbearing loads.

Conclusion

Further clinical trials are required to investigate fracture union and hardware complications in dual implant construct
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Metadaten
Titel
Biomechanics of periprosthetic femur fractures and early weightbearing
verfasst von
Ansab Khwaja
William Mahoney
Jay Johnson
Alex Trompeter
Jason Lowe
Publikationsdatum
14.04.2021
Verlag
Springer Paris
Erschienen in
European Journal of Orthopaedic Surgery & Traumatology / Ausgabe 5/2021
Print ISSN: 1633-8065
Elektronische ISSN: 1432-1068
DOI
https://doi.org/10.1007/s00590-021-02969-3

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