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Canine total knee replacement: surgical technique and one-year outcome
William D Liska1, Nancy D Doyle
1Gulf Coast Veterinary Specialists, Houston, TX 77027, USA. drliska@gcvs.com
Objective:
To describe a surgical technique for total knee replacement (TKR) in dogs with severe osteoarthritis (OA) and report 1-year outcome.
Study Design:
Prospective clinical case study.
Animals:
Dogs (n=6) with severe stifle OA.
Methods:
Preoperative and postoperative evaluations were compared after 6 dogs had TKR. Data gathered included radiographs, goniometric measures of passive range of motion, ground reaction forces, and girth measurements of the thigh before surgery and at 6 weeks, 3 months, 6 months, and 1 year.
Results:
Stifle extension and excursion angles were significantly improved by 3 months after TKR. Mean peak vertical force and impulse were significantly improved by 6 months.
Conclusions:
TKR is a viable treatment option for dogs with severe stifle OA.
Clinical Relevance:
With continued refinement of surgical technique, instrumentation, and implants, TKR could become a reliable treatment for dogs with disabling, painful nonseptic stifle OA.