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Vet Comp Orthop Traumatol. 2015;28(1):54-9. doi: 10.3415/VCOT-13-10-0130. Epub 2014 Nov 14.

Revision of a loose cementless short-stem threaded femoral component using a standard cementless stem in a canine hip arthroplasty.

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Dr. Simon Roe, BVSc, PhD, DACVS, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, 1052 William Moore Drive, Raleigh, NC, 27607, United States, Phone: +1 919 513 6334, Fax: +1 919 513 6336, E-mail:


A Helica short-stemmed femoral prosthesis that was identified as being loose one year after implantation was revised with a standard long stem cementless BFX femoral prosthesis. A double pelvic osteotomy was also performed to improve the orientation of the stable acetabular cup. Despite complete resorption of the femoral neck, and a large perforation of the lateral femoral cortex, the revision stem did not subside or rotate. The prosthetic joint did not dislocate. At re-evaluation two years after revision surgery, the prosthetic components were stable. Signs of bone ingrowth into the stem and cup were evident on radiographs. The dog had a seven percent greater thigh muscle girth in the limb implanted with the hip prosthesis compared to the contralateral limb, and was very active with no lameness.


Total hip replacement; cementless stem; revision

[Indexed for MEDLINE]

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