Canine Total Knee Replacement: Surgical Technique and One-Year Outcome |
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Authors: | WILLIAM D LISKA DVM Diplomate ACVS and NANCY D DOYLE MPT |
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Institution: | Gulf Coast Veterinary Specialists, Houston, TX. |
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Abstract: | 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. |
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