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Vet Comp Orthop Traumatol 2015; 28(01): 54-59
DOI: 10.3415/VCOT-13-10-0130
Case Report
Schattauer GmbH

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

S. C. Roe
1   Department of Clinical Sciences, North Carolina State University, College of Veterinary Medicine, Raleigh, North Carolina, USA
,
D. J. Marcellin-Little
1   Department of Clinical Sciences, North Carolina State University, College of Veterinary Medicine, Raleigh, North Carolina, USA
,
B. D. X. Lascelles
1   Department of Clinical Sciences, North Carolina State University, College of Veterinary Medicine, Raleigh, North Carolina, USA
› Author Affiliations
Further Information

Publication History

Received:06 June 2014

Accepted:03 October 2014

Publication Date:
26 December 2017 (online)

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Summary

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 pros-thesis. 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.

Keywords

Total hip replacement - revision - cementless stem
 

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