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Home / Equine Research Bank / Vet Surg / Feasibility, indications, and radiographically confirmed dia...
Veterinary surgery : VS2021; 50(2); 365-374; doi: 10.1111/vsu.13560

Feasibility, indications, and radiographically confirmed diagnoses of standing extremity cone beam computed tomography in the horse.

Abstract: To report on the feasibility, indications, and diagnostic yield of cone beam computed tomography (CBCT) of horses' extremities performed under standing sedation. Methods: Retrospective clinical case series. Methods: Fifty-nine CBCT examinations in 58 horses. Methods: Examinations were categorized for indications for CBCT dependent on a suspicion, presence, or absence of a diagnosis prior to CBCT. The number of acquisitions per examination, total time for the examination, diagnostic score of each acquisition (diagnostic, diagnostic-compromised, nondiagnostic), and additional diagnostic information regarding preexisting diagnostic information were recorded. Results: Three (median) acquisitions were performed per examination in a median study time of 14 minutes. In 24 of 33 cases with a suspected diagnosis, this diagnosis was confirmed or definitively refuted; in seven of 33 cases, the suspected diagnosis was refuted without a new diagnosis; and, in two of 33 cases, the suspected diagnosis could not be confirmed nor could a new diagnosis be made. In five of nine cases without a preexisting diagnosis, a diagnosis was established. In 16 cases with a diagnosis prior to CBCT, additional information was recorded, or a surgical plan was prepared. In 14 of 18 cases in which additional contrast techniques were used, additional information was gained. Conclusions: Standing CBCT of the horses' extremities is feasible and can produce diagnostic information in a timely fashion. Conclusions: The results provide evidence of the practicality and diagnostic potential of standing CBCT of horses' extremities.
© 2021 The American College of Veterinary Surgeons.
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Publication Date: 2021-01-09 PubMed ID: 33421172DOI: 10.1111/vsu.13560Google Scholar: Lookup
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  • Journal Article

Summary

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The research article discusses the feasibility and applicability of using cone beam computed tomography (CBCT) to examine horses’ extremities while they are standing and under sedation.

Methodology

  • A total of 59 CBCT examinations were conducted on 58 horses.
  • The reasons for performing CBCT were classified based on a preliminary diagnosis (or the lack of one) before the scan was performed.
  • Various data were collected, including the number of image acquisitions during each examination, the total examination time, the diagnostic quality of each acquisition, and any additional diagnostic information that was gleaned.

Results

  • A median of three image acquisitions were performed per examination, taking a median total time of 14 minutes.
  • For the 33 cases where a suspected diagnosis was already identified before CBCT, 24 of these were confirmed or refuted. In seven out of these 33 cases, the suspected diagnosis was refuted but no new diagnosis could be made. In two cases, neither confirmation nor refutation of the initial diagnosis was achieved, as well as the inability to make a new diagnosis.
  • In five out of the nine cases with no pre-existing diagnosis, a diagnosis was able to be made after the CBCT scan.
  • For the 16 cases that already had a diagnosis before the CBCT, additional information was recorded which could aid in forming a surgical plan.
  • Of the 18 cases where contrast techniques were used alongside the CBCT, 14 cases provided extra diagnostic information.

Conclusions

  • The study supports the feasibility of performing a CBCT scan on a horse’s extremities while it is standing and sedated. It has been proven that the process is manageable and can be carried out in a relatively short amount of time.
  • Furthermore, the results demonstrate the potential of the CBCT scan as a diagnostic tool. It can either confirm or refute a suspected diagnosis, and in some cases, it can establish a diagnosis where none previously existed, or supplement an existing diagnosis with additional information needed for treatment planning.

Cite This Article

APA
Pauwels FE, Van der Vekens E, Christan Y, Koch C, Schweizer D. (2021). Feasibility, indications, and radiographically confirmed diagnoses of standing extremity cone beam computed tomography in the horse. Vet Surg, 50(2), 365-374. https://doi.org/10.1111/vsu.13560

Publication

Veterinary surgery : VS
ISSN: 1532-950X
NlmUniqueID: 8113214
Country: United States
Language: English
Volume: 50
Issue: 2
Pages: 365-374

Researcher Affiliations

Pauwels, Frederik E
  • Department of Clinical Veterinary Medicine, Division of Clinical Radiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland.
Van der Vekens, Elke
  • Department of Clinical Veterinary Medicine, Division of Clinical Radiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland.
Christan, Yan
  • Swiss Institute of Equine Medicine, Vetsuisse Faculty, University of Bern, Bern, Switzerland.
  • Agroscope, Switzerland, Vetsuisse-Faculty, University of Bern, Bern, Switzerland.
Koch, Christoph
  • Swiss Institute of Equine Medicine, Vetsuisse Faculty, University of Bern, Bern, Switzerland.
Schweizer, Daniela
  • Department of Clinical Veterinary Medicine, Division of Clinical Radiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland.

MeSH Terms

  • Animals
  • Cone-Beam Computed Tomography / methods
  • Cone-Beam Computed Tomography / veterinary
  • Conscious Sedation / veterinary
  • Feasibility Studies
  • Female
  • Forelimb / diagnostic imaging
  • Hindlimb / diagnostic imaging
  • Horse Diseases / diagnosis
  • Horse Diseases / diagnostic imaging
  • Horses
  • Male
  • Retrospective Studies
  • Standing Position
  • Switzerland

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