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Peer-reviewed veterinary case report

Revision surgery for loose hip implant stem in two dogs

By Vezzoni, Luca et al.·Published in Veterinary and comparative orthopaedics and traumatology : V.C.O.T·2017·Luca Vezzoni, Italy·View original on PubMed

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Original publication title: Revision of a BFX total hip replacement stem using a Kyon stem and a head adaptor in two dogs.

Species:
dog
Hip dysplasiaMovement & jointsDogs

Plain-English summary

Two dogs with hip problems had surgery to replace a loose hip implant. They both had previously received a Biomedtrix BFX stem that had become unstable, but their hip cups were still well-attached. The veterinarians used a Kyon stem and a head adaptor to create a new, stable hip joint. After one year, both dogs were doing well, with their new implants functioning properly and integrating with their bones.

People also search for: dog hip replacement surgery · loose hip implant in dogs · Kyon stem for dog hip revision

Abstract

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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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/27849107/