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Current Reviews in Musculoskeletal Medicine
Published in: Current Reviews in Musculoskeletal Medicine 4/2015

01-12-2015 | Revision Knee Arthroplasty (R Rossi, Section Editor)

The role of offset stems in revision knee arthroplasty

Authors: Andrea Baldini, Giovanni Balato, Vincenzo Franceschini

Published in: Current Reviews in Musculoskeletal Medicine | Issue 4/2015

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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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Metadata
Title
The role of offset stems in revision knee arthroplasty
Authors
Andrea Baldini
Giovanni Balato
Vincenzo Franceschini
Publication date
01-12-2015
Publisher
Springer US
Published in
Current Reviews in Musculoskeletal Medicine / Issue 4/2015
Electronic ISSN: 1935-9748
DOI
https://doi.org/10.1007/s12178-015-9294-7

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