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Fixation of a modular curved revision stem with a taper of 2° in the femur

  • Bernd Fink
  • Uli Buntenbroich
  • Damian Oremek
Hip Arthroplasty
  • 7 Downloads

Abstract

Introduction

Modular revision stems with a short distal component can prevent the bypassing of the femoral isthmus and hereby theoretically have advantages concerning risk of periprosthetic fractures, breakage of the junction and a technically easier revision procedure.

Materials and methods

Radiological evaluation of 202 stem revision operations with the modular curved revision stem “Revitan Curved” with a 2° taper was carried out after a mean follow-up period of 7.44 ± 2.09 years (3–13 years) to investigate whether short-stem combinations are effective in Paprosky 2 and 3A defects with respect to rate of subsidence and loosening.

Results

Sixty of 62 endofemoral (96.8%) and 137 of 140 transfemoral implantations (97.9%) involved the short, 140 mm distal component. Significant subsidence was seen in 3.3% of cases following endofemoral implantation and in 2.1% of cases following transfemoral implantation. Neither aseptic loosening nor periprosthetic fracture were observed.

Conclusion

The use of combinations of short modular components leads to reproducibly good outcomes in femoral revision with respect to subsidence and loosening.

Keywords

Revision arthroplasty Tapered stem Fixation Modular revision stem 

Notes

Funding

There is no funding source.

Compliance with ethical standards

Conflict of interest

The authors declare that one of the authors is a consultant of ZimmerBiomet, but no author was supported for this paper.

Ethical approval

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

Informed consent

Informed consent was obtained from all individual participants included in the study.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Clinic of Joint Replacement, General and Rheumatic OrthopaedicsOrthopaedic Clinic Markgröningen gGmbHMarkgröningenGermany
  2. 2.Orthopaedic ClinicUniversity-Hospital Hamburg-EppendorfHamburgGermany

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