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Total Hip Arthroplasty in Nine Canine Hind Limb Amputees: A Retrospective Study

Authors

  • Chris A. Preston BVSc, MACVSc,

    1. From the Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, CA.
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  • Kurt S. Schulz DVM, MS, Diplomate ACVS,

    1. From the Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, CA.
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  • Philip B. Vasseur DVM, Diplomate ACVS

    1. From the Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, CA.
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  • Presented at the Eight Annual Symposium of the American College of Veterinary Surgeons, Chicago, IL, October 1998.

  • Address reprint requests to Kurt Schulz, DVM, Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, CA 95616.

Abstract

Objective To determine the outcome of total hip arthroplasty in canine hindlimb amputees.

Study Design Retrospective evaluation of clinical cases.

Methods Data recorded from the medical records of nine dogs included patient signalment, indication for amputation and total hip arthroplasty (THA), interval between amputation and THA, and surgical complications. Radiographs were used to assess implant orientation and evidence of complications. Functional outcome was assessed using direct patient evaluation by one of the authors or primary surgeons, or through telephone interview between the primary author and the owner.

Results Seven dogs ultimately had a good or excellent clinical results. Complications occurred in five dogs. Four dogs luxated the prosthetic joint without an obvious traumatic event within 9 weeks of the initial surgery. Revision surgeries resulted in successful coxofemoral reduction in three of four dogs. There were no clinical or radiographic findings suggestive of implant loosening or infection.

Conclusion THA can be a successful salvage procedure in the canine hindlimb amputee with disabling, non-neoplastic, noninfectious coxofemoral disease. The risk of luxation in the early postoperative period is high and revision surgery is required for stabilization.

Clinical Relevance THA is a successful procedure in the canine hindlimb amputee, however the incidence of complications is high.

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