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

Simon Roe, Denis J Marcellin-Little, B. D X Lascelles

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

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.

Original languageEnglish (US)
Pages (from-to)54-59
Number of pages6
JournalVeterinary and Comparative Orthopaedics and Traumatology
Volume28
Issue number1
DOIs
StatePublished - Jan 1 2015
Externally publishedYes

Fingerprint

thighs
Thigh
hips
Arthroplasty
Canidae
Hip
prostheses
stems
dogs
Prostheses and Implants
limbs (animal)
Extremities
Hip Prosthesis
Femur Neck
Osteotomy
Reoperation
resorption
girth
joints (animal)
lameness

Keywords

  • Cementless stem
  • Revision
  • Total hip replacement

ASJC Scopus subject areas

  • Animal Science and Zoology
  • veterinary(all)
  • Medicine(all)

Cite this

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abstract = "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.",
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