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Modular hybrid total hip arthroplasty. Experimental study in dogs

Author(s): Minto Bruno | Brandão Cláudia | Pereira Gilberto | Campagnol Daniela | Mamprim Maria | Padovani Carlos | Ranzani José

Journal: Acta Veterinaria Scandinavica
ISSN 1751-0147

Volume: 53;
Issue: 1;
Start page: 46;
Date: 2011;
Original page

Keywords: Dog | hip | total hip prosthesis | hybrid system | modular system

Abstract Background This prospective experimental study evaluated the surgical procedure and results of modular hybrid total hip arthroplasty in dogs. Methods Ten skeletally mature healthy mongrel dogs with weights varying between 19 and 27 kg were used. Cemented modular femoral stems and uncemented porous-coated acetabular cups were employed. Clinical and radiographic evaluations were performed before surgery and at 30, 60, 90, 120, 180 and 360 days post-operation. Results Excellent weight bearing was noticed in the operated limb in seven dogs. Dislocation followed by loosening of the prosthesis was noticed in two dogs, which were therefore properly treated with a femoral head osteotomy. Femoral fracture occurred in one dog, which was promptly treated with full implant removal and femoral osteosynthesis. Conclusions The canine modular hybrid total hip arthroplasty provided excellent functionality of the operated limb.
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