Peer-reviewed veterinary case report
Revision surgery outcomes for hip implants in nine dogs
By Scott, Peter et al.·Published in Veterinary surgery : VS·2025·Langford Vets, United Kingdom·View original on PubMed →
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Original publication title: Revision of osteointegrated acetabular cup prostheses in nine dogs.
- Species:
- dog
Plain-English summary
Nine dogs underwent surgery to replace their hip joint implants after experiencing issues like dislocation or loosening. The revision surgery involved removing the old implants and replacing them with new, larger cups. Most dogs showed significant improvement, with only one dog having a repeat dislocation that was resolved with additional treatment. Overall, the dogs had good to excellent outcomes in their mobility and comfort after the surgery, suggesting that this procedure can be effective for dogs needing hip implant revisions.
People also search for: dog hip replacement problems · dog hip surgery recovery · dog hip implant revision treatment
Abstract
OBJECTIVE: To describe the surgical technique and clinical outcome following revision of osteointegrated acetabular cups. STUDY DESIGN: Retrospective case series. ANIMALS: Nine client-owned dogs undergoing revision surgery for total hip replacement (THR) with an osteointegrated cup. METHODS: Cases were recruited retrospectively from a single referral hospital for dogs undergoing revision surgery following THR. Cups were explanted using a combination of an osteotome and air burr and new cups were implanted. Owners were contacted to determine the medium- to long-term outcome. RESULTS: Surgery was performed at a median of 587 days (range 97-994 days) after initial surgery. Indication for revision was luxation (7), stem fracture (1), and stem loosening (1). All cups (8 BFX, BioMedtrix, 1 Helica) were successfully explanted and replaced with a BFX, BioMedtrix cup. Seven revisions required replacement with a larger cup than the primary cup size. Eight cases had minimal lameness 6 weeks postoperatively; one dog experienced repeat luxation, which resolved after open reduction and hobble placement. One dog presented with septic cup loosening 540 days postoperatively. Radiographically, all cups were stable at short-term follow up (median 45 days, range 35-618 days). Medium- to long-term functional outcome (median 621 days, range 251-1903 days) for the 6 dogs available was graded as good to excellent. CONCLUSION: Cup revision of stable, osteointegrated cups can be successfully performed with the BFX BioMedtrix cup but often requires use of a larger sized implant compared to that used for the primary procedure. CLINICAL SIGNIFICANCE: Revision of osteointegrated acetabular cups is a viable technique, with minimal complications encountered.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/39900501/