Peer-reviewed veterinary case report
Dog hip replacement results and complications from 10-year study
By Allaith, Sumaya et al.·Published in Veterinary surgery : VS·2023·Department of Musculoskeletal and Ageing Sciences, United Kingdom·View original on PubMed →
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Original publication title: Outcomes and complications reported from a multiuser canine hip replacement registry over a 10-year period.
- Species:
- dog
Plain-English summary
A group of dogs undergoing total hip replacement surgery showed significant improvement in mobility after the procedure. In a study involving over 1,800 dogs, most had surgery due to hip dysplasia or arthritis. Owners reported better movement and less pain after surgery, although some complications were noted, particularly with certain types of implants. Overall, the surgery was deemed safe and effective, leading to better quality of life for the dogs involved.
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Abstract
OBJECTIVE: To report outcomes and complications associated with total hip replacements (THR) using a multiuser canine hip registry (CHR) and owner-administered questionnaire. STUDY DESIGN: Prospective longitudinal clinical study. ANIMALS: Dogs (n = 1852). METHODS: Total hip replacement cases submitted to a CHR were reviewed. An online questionnaire including an adapted "Liverpool Osteoarthritis in Dogs" (LOAD) score was e-mailed to owners. Data were analyzed to determine associations between clinical variables and the agreement by veterinary surgeons and owners for complications. RESULTS: A group of 1329 (72%) dogs had unilateral THRs and another group of 523 (28%) dogs had bilateral THRs, resulting in 2375 THRs. Indications included hip dysplasia and osteoarthritis (n = 2028/2375, 85%). Implants were manufactured by Kyon (n = 1087, 46%), BioMedtrix CFX (n = 514, 22%), BioMedtrix hybrid (n = 264, 11%), BioMedtrix BFX (n = 221, 9%), and Helica (n = 107, 4.5%). Median veterinary surgeon and owner follow up were 1328 and 900 days respectively. Postoperative LOAD scores (21 ± 9) reported by 461 owners improved compared to preoperative scores (11 ± 9) (P < .001). Veterinary surgeons reported complications in 201/2375 (8.5%) THRs and owners in 107/461 (23%) THRs, with moderate agreement (weighted kappa = 0.44). No associations were identified between complications and weight, age, sex, or breed. BioMedtrix BFX and Helica implants were associated with increased complications (P = .031) when used for revisions of femoral head and neck excisions. CONCLUSION: Excellent outcomes, including improved canine mobility, were reported after THRs. Complications were underreported by veterinary surgeons compared to owners in this first multiuser CHR. CLINICAL SIGNIFICANCE: Canine THRs are safe, effective procedures but THR implants should be carefully selected when revising femoral head and neck excisions.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/36062338/