Short-Term Evaluation of Dorsal Acetabular Augmentation in 10 Canine Total Hip Replacements

Hooman A. Pooya, Kurt S. Schulz, Eric R. Wisner, Pierre Montavon, Josh Jackson

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Objective - To report the use of dorsal acetabular augmentation (DAA) in canine total hip arthroplasty (THA) and to evaluate the clinical and radiographic outcome after a minimum of 1 year follow-up. Study Design - Clinical study. Animals - Nine dogs that had THA. Methods - Ten hips requiring acetabular augmentation for optimum acetabular cup implantation for THA were evaluated retrospectively. The excised femoral head and neck was used as the corticocancellous bone graft for index THA surgeries, and the dorsal crest of the ipsilateral ilial wing was used as the bone graft in 1 dog that had a revision surgery. Clinical and radiographic follow-up examinations were performed at approximately 8 weeks and 1 year postoperatively. Long-term radiographic examinations included use of a standing dorsal acetabular rim (DAR) projection for assessment of graft-recipient boundary. Functional clinical outcome was assessed using direct patient evaluation and telephone interview. Results - One dog failed to regain limb function after surgery. Suspected aseptic loosening of the acetabular cup was observed on radiographs approximately 12 weeks postoperatively. Excluding this single explantation, follow-up physical and radiographic examinations indicated good implant and graft positioning and normal function for all dogs. Conclusions - Acetabular augmentation permitted implantation of an appropriately sized acetabular cup while maintaining complete DAR coverage of the prosthesis. Nine out of 10 hips had a successful outcome with minimal radiographic and no functional abnormalities. Further follow-up is necessary to determine the long-term outcome of DAR augmentation in canine THA. Clinical Relevance - Acetabular augmentation with an autogenous corticocancellous bone graft constructed from the femoral head and neck can provide complete DAR coverage to permit use of an appropriately sized acetabular cup in THA.

Original languageEnglish (US)
Pages (from-to)142-152
Number of pages11
JournalVeterinary Surgery
Volume32
Issue number2
DOIs
StatePublished - Mar 2003

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Hip Replacement Arthroplasties
hips
Canidae
Hip
Arthroplasty
dogs
Transplants
Dogs
prostheses
surgery
Femur Neck
bones
thighs
Bone and Bones
neck
limbs (animal)
Reoperation
Physical Examination
Prostheses and Implants
clinical trials

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Short-Term Evaluation of Dorsal Acetabular Augmentation in 10 Canine Total Hip Replacements. / Pooya, Hooman A.; Schulz, Kurt S.; Wisner, Eric R.; Montavon, Pierre; Jackson, Josh.

In: Veterinary Surgery, Vol. 32, No. 2, 03.2003, p. 142-152.

Research output: Contribution to journalArticle

Pooya, Hooman A. ; Schulz, Kurt S. ; Wisner, Eric R. ; Montavon, Pierre ; Jackson, Josh. / Short-Term Evaluation of Dorsal Acetabular Augmentation in 10 Canine Total Hip Replacements. In: Veterinary Surgery. 2003 ; Vol. 32, No. 2. pp. 142-152.
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