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The role of offset stems in revision knee arthroplasty

  • Revision Knee Arthroplasty (R Rossi, Section Editor)
  • Published:
Current Reviews in Musculoskeletal Medicine Aims and scope Submit manuscript

Abstract

Revision total knee arthroplasty (TKA) represents a technically challenging procedure. The use of an offset stem extension can help in addressing some of the difficulties that can be encountered during surgery and, in particular, anatomical mismatch, malalignment, and gap balancing. Different offset stem extensions are available and can be classified according to four parameters: modularity, location of the offset, direction, and size of the displacement. Offset stem extensions can assist with implant alignment on the metaphysis if there is an offset diaphysis, can avoid medial-lateral or anterior-posterior component overhang, can reduce the incidence of coronal or sagittal malalignment, and can help in balancing the flexion and extension spaces by effectively translating the components. The aim of this study is to give an overview of the currently available evidence regarding the use of offset stem extensions in revision TKA as well as some useful surgical tips.

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Conflict of Interest

Giovanni Balato and Vincenzo Franceschini declare that they have no conflict of interest. Andrea Baldini is a consultant with ZimmerBiomet with speaker agreement.

Human and Animal Rights and Informed Consent

This article does not contain any studies with human or animal subjects performed by any of the authors.

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Authors and Affiliations

  1. Orthopaedics Unit, IFCA Clinic, Via del Pergolino 4, Florence, Italy

    Andrea Baldini & Giovanni Balato

  2. Department of Public Health, School of Medicine, Federico II University, Via Pansini 5, Naples, Italy

    Giovanni Balato

  3. Department of Orthopaedics and Traumatology, “Sapienza” University of Rome, ICOT, Via F. Faggiana 1668, Latina, Italy

    Vincenzo Franceschini

Authors
  1. Andrea Baldini
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  2. Giovanni Balato
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  3. Vincenzo Franceschini
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Correspondence to Andrea Baldini.

Additional information

This article is part of the Topical Collection on Revision Knee Arthroplasty

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Baldini, A., Balato, G. & Franceschini, V. The role of offset stems in revision knee arthroplasty. Curr Rev Musculoskelet Med 8, 383–389 (2015). https://doi.org/10.1007/s12178-015-9294-7

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  • DOI: https://doi.org/10.1007/s12178-015-9294-7

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