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Equine veterinary journal2024; 57(3); 666-673; doi: 10.1111/evj.14208

Peri-anaesthetic complications in 1798 equids undergoing high-field elective orthopaedic MRI at a tertiary referral hospital.

Abstract: Antimicrobial prophylaxis for elective orthopaedic magnetic resonance imaging (MRI) in equids is a topic of debate among practitioners and can have negative detrimental effects on patients if used unnecessarily. Objective: To describe the complications with elective orthopaedic MRI of horses, mules, and donkeys under general anaesthesia without the use of peri-anaesthetic antimicrobial prophylaxis at a single large tertiary referral centre. We hypothesised that horses, mules, and donkeys undergoing general anaesthesia for elective orthopaedic MRI, without antimicrobial prophylaxis, will not be at increased risk of complications, including increased risk of infectious respiratory disease. Methods: Retrospective cross-sectional study. Methods: This retrospective study of 1798 systemically healthy equids that underwent elective orthopaedic MRI under general anaesthesia without peri-anaesthetic antimicrobial prophylaxis between January 2009 and May 2020. Results: A total of 1655 MRIs were included in the study, with 25 (1.5%) horses having complications. The most common complication was post-anaesthetic fever in 11 (0.7%) horses, of which 4 (0.2%) horses went on to develop pneumonia and one horse was diagnosed with equine herpesvirus (respiratory). Seven (0.4%) horses developed transient post-anaesthetic femoral neuropathy and 7 (0.4%) horses had mild post-anaesthetic colic that resolved with initial medical management. No horses were euthanised or died in this study. Conclusions: The retrospective nature of the study led to non-randomised case selection, and some records were incomplete. Conclusions: These findings suggest that peri-anaesthetic antimicrobial prophylaxis may not be necessary for performance and sport horses undergoing general anaesthesia for elective orthopaedic MRI.
© 2024 The Author(s). Equine Veterinary Journal published by John Wiley & Sons Ltd on behalf of EVJ Ltd.
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Publication Date: 2024-08-14 PubMed ID: 39143703PubMed Central: PMC11982431DOI: 10.1111/evj.14208Google 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 evaluates the complications arising from orthopaedic MRI procedures under general anesthesia without antimicrobial prophylaxis in horses, mules, and donkeys. The researchers postulate that these animals aren’t at an increased risk of complications, including infectious respiratory diseases, and their findings support this theory.

Objective and Hypothesis of the Research

  • The main objective of this study was to explore the complications associated with elective orthopaedic Magnetic Resonance Imaging (MRI) in horses, mules, and donkeys, conducted without the use of peri-anaesthetic antimicrobial prophylaxis.
  • The researchers hypothesized that horses, mules, and donkeys undergoing this MRI procedure under general anesthesia without antimicrobial prophylaxis wouldn’t show an increased risk of complications, including a higher risk of infectious respiratory diseases.

Methodology

  • This study is a retrospective cross-sectional study involving 1798 systemically healthy equids (horses, mules, and donkeys).
  • The animals had undergone elective orthopaedic MRI under general anesthesia without peri-anaesthetic antimicrobial prophylaxis between January 2009 and May 2020.

Findings (Results)

  • Out of 1655 MRIs included in the study, 25 (1.5%) horses experienced complications.
  • The most common complication was post-anaesthetic fever, occurring in 11 (0.7%) horses. Out of these, 4 (0.2%) went on to develop pneumonia, and one was diagnosed with equine herpesvirus (respiratory).
  • Seven (0.4%) horses developed transient post-anaesthetic femoral neuropathy, and 7 (0.4%) horses had mild post-anaesthetic colic that was resolved with initial medical management.
  • No horses were euthanised or died in this study.

Conclusion

  • The study’s findings indicated that possible limitations could include the retrospective nature of the study leading to non-randomised case selection, and the possibility of some records being incomplete.
  • According to the overall results, the research suggests that peri-anaesthetic antimicrobial prophylaxis might not be necessary for performance and sport horses undergoing general anesthesia for elective orthopaedic MRI.

Cite This Article

APA
Manning H, Sampson S. (2024). Peri-anaesthetic complications in 1798 equids undergoing high-field elective orthopaedic MRI at a tertiary referral hospital. Equine Vet J, 57(3), 666-673. https://doi.org/10.1111/evj.14208

Publication

Equine veterinary journal
ISSN: 2042-3306
NlmUniqueID: 0173320
Country: United States
Language: English
Volume: 57
Issue: 3
Pages: 666-673

Researcher Affiliations

Manning, Heath
  • Veterinary Large Animal Clinical Sciences, Texas A&M University, College Station, Texas, USA.
Sampson, Sarah
  • Veterinary Large Animal Clinical Sciences, Texas A&M University, College Station, Texas, USA.

MeSH Terms

  • Animals
  • Magnetic Resonance Imaging / veterinary
  • Magnetic Resonance Imaging / adverse effects
  • Retrospective Studies
  • Horses
  • Cross-Sectional Studies
  • Anesthesia, General / veterinary
  • Anesthesia, General / adverse effects
  • Male
  • Female
  • Equidae
  • Postoperative Complications / veterinary
  • Postoperative Complications / epidemiology
  • Horse Diseases / etiology
  • Orthopedic Procedures / veterinary
  • Orthopedic Procedures / adverse effects
  • Tertiary Care Centers

Conflict of Interest Statement

The authors declare no conflict of interest.

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