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Archive (2005–2015)

Revision of a BFX total hip replacement stem using a Kyon stem and a head adaptor in two dogs

Journal: Veterinary and Comparative Orthopaedics and Traumatology (VCOT)
ISSN: 0932-0814
DOI: https://doi.org/10.3415/VCOT-16-05-0070
Issue: 2017: Issue 1 2017
Pages: 81-87
Ahead of Print: 2016-11-16

Revision of a BFX total hip replacement stem using a Kyon stem and a head adaptor in two dogs

L. Vezzoni (1), S. Bazzo (1), A. Vezzoni (1)

(1) Clinica Veterinaria Vezzoni, Cremona, Italy

Keywords

dog, arthroplasty, aseptic, Stem loosening, subsidence, Zurich

Summary

Objective: To report revision of BFX cementless press-fit stem loosening with a Kyon cementless stem and a head adaptor in two dogs. Methods: Total hip arthroplasty stem revision was performed in two dogs with loosening of a previously implanted Biomedtrix press-fit BFX stem. Both dogs had a well-integrated BFX cup and single stage revision was performed using a standard Kyon stem and a head adaptor in order to couple with a 17 mm head and maintain the BFX cup. Results: Revisions resulted in a stable functional prosthesis with successful bone integration at the one-year postoperative re-evaluation. Conclusions: Use of a Kyon stem with a head adaptor may be a successful option to provide immediate stem stability for revision of a loosened BFX stem with a properly osseointegrated cup.

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