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  • Title: Revision of an unstable HELICA endoprosthesis with a Zurich cementless total hip replacement.
    Author: Andreoni AA, Guerrero TG, Hurter K, Montavon PM.
    Journal: Vet Comp Orthop Traumatol; 2010; 23(3):177-81. PubMed ID: 20422123.
    Abstract:
    A six-year-old, female, spayed Labrador Retriever was evaluated for progressive lameness of one year duration, ending in non-weight-bearing of the right hindlimb. The dog had a history of severe coxarthrosis of both hip joints, and had a HELICA hip prosthesis implanted in the right hip 18 months before. On survey radiographs, the acetabular and femoral components appeared unstable, with a large void in the proximal femur and a lacy periosteal reaction on the trochanter. Arthrocentesis was performed to rule out septic loosening. As culture samples were negative, the dog underwent surgery. We report the successful revision of an unstable HELICA screw hip prosthesis with a Zurich cementless total hip replacement. The patient had a good clinical and radiological outcome seven months postoperatively.
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