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Home / Equine Research Bank / Vet Surg / Successful total hip arthroplasty in a miniature horse.
Veterinary surgery : VS2023; 52(8); 1209-1218; doi: 10.1111/vsu.14032

Successful total hip arthroplasty in a miniature horse.

Abstract: To describe the surgical treatment, postoperative management, and outcome of a miniature horse undergoing total hip arthroplasty (THA). Methods: Case report. Methods: A 4-year-old miniature horse stallion weighing 85 kg. Methods: The horse presented with left coxofemoral luxation of ~6 weeks duration. Computed tomography confirmed craniodorsal luxation with marked degenerative changes to the femoral head. The horse underwent THA using cementless press fit implants, including an interlocking lateral bolt for the femoral stem. Results: The horse recovered well from anesthesia but suffered a coma-like episode after returning to a stable. Following treatment of presumed hypovolemia, the horse regained normal mentation and was discharged 24 days after surgery. At reassessment 12 weeks postoperatively, the horse was 2/10 left hind limb lameness at trot with good healing of the surgery site. Five months postoperatively mild (1/10) lameness remained at trot but the horse was able to canter normally on both reins. The horse has since been managed normally with no veterinary treatment required for 32 months postoperatively. Conclusions: Total hip arthroplasty is possible in miniature horses weighing up to 85 kg and can result in a good long-term outcome.
© 2023 The Authors. Veterinary Surgery published by Wiley Periodicals LLC on behalf of American College of Veterinary Surgeons.
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Publication Date: 2023-09-26 PubMed ID: 37752689DOI: 10.1111/vsu.14032Google Scholar: Lookup
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Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

This research article describes a surgical procedure known as total hip arthroplasty (THA) that was successfully conducted on a miniature horse, detailing the treatment, postoperative care, and outcome.

Research Background and Methodology

  • The subject of the study was a four-year-old miniature horse stallion that weighed 85 kg.
  • The horse was diagnosed with a condition known as left coxofemoral luxation that had been present for approximately six weeks.
  • Computed tomography was used for diagnosis and confirmed that there was craniodorsal luxation with notable degenerative changes to the femoral head.
  • The treatment applied was total hip arthroplasty, wherein cementless press fit implants were utilised for treatment. This included the usage of an interlocking lateral bolt used for the femoral stem.

Postoperative Results and Recovery

  • The horse recovered well from anesthesia. However, it experienced a coma-like state once returning to the stable.
  • Hypovolemia was suspected and subsequently treated, after which the horse regained normal cognitive abilities.
  • The horse was released 24 days after the surgery took place.
  • Upon reassessment after 12 weeks, the horse exhibited a mild limp in its left hind limb when trotting, though the surgery site demonstrated good healing.
  • Further observation at five months post-surgery showed mild lameness while trotting; however, the horse was able to canter normally.

Long-Term Outcome

  • Even 32 months post-surgery, the horse did not require any additional veterinary treatment and was managed normally.

Conclusion

  • The study concluded that total hip arthroplasty can be successfully applied to miniature horses weighing up to 85 kg and may result in good long-term outcomes.

Cite This Article

APA
Cullen MD, Pettitt RA, Tomlinson AW, Louro LF, Bennell AJ, Michael R, Stack JD. (2023). Successful total hip arthroplasty in a miniature horse. Vet Surg, 52(8), 1209-1218. https://doi.org/10.1111/vsu.14032

Publication

Veterinary surgery : VS
ISSN: 1532-950X
NlmUniqueID: 8113214
Country: United States
Language: English
Volume: 52
Issue: 8
Pages: 1209-1218

Researcher Affiliations

Cullen, Matthew D
  • Philip Leverhulme Equine Hospital, School of Veterinary Science, Neston, UK.
Pettitt, Rob A
  • Small Animal Teaching Hospital, School of Veterinary Science, Neston, UK.
Tomlinson, Andrew W
  • Small Animal Teaching Hospital, School of Veterinary Science, Neston, UK.
Louro, Luis F
  • Philip Leverhulme Equine Hospital, School of Veterinary Science, Neston, UK.
Bennell, Alison J
  • Philip Leverhulme Equine Hospital, School of Veterinary Science, Neston, UK.
Michael, Robert
  • Thompson House Equine Vets, Wigan, UK.
Stack, John D
  • Philip Leverhulme Equine Hospital, School of Veterinary Science, Neston, UK.

MeSH Terms

  • Animals
  • Horses
  • Male
  • Arthroplasty, Replacement, Hip / veterinary
  • Arthroplasty, Replacement, Hip / adverse effects
  • Lameness, Animal / surgery
  • Joint Dislocations / surgery
  • Joint Dislocations / veterinary
  • Hip Dislocation / surgery
  • Hip Dislocation / veterinary
  • Femur Head / surgery
  • Horse Diseases / surgery

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This article includes 33 references
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Citations

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