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Veterinary surgery : VS2021; 50(4); 758-766; doi: 10.1111/vsu.13616

Three-dimensional printed guides for screw placement in equine navicular bones.

Abstract: To determine the influence of a custom 3D-printed guide for placement of cortical bone screws in the equine navicular bone. Methods: Ex vivo study. Methods: Eight pairs of normal adult equine forelimbs. Methods: A 3.5 × 55 mm cortical screw was placed in the longitudinal axis of each intact navicular bone. Screws were placed with a 3D-printed guide (3D) in one bone and with a traditional aiming device (AD) in the contralateral bone within each pair. Duration of surgery and the number of fluoroscopy images were compared between techniques. Screw placement was subjectively evaluated by gross examination and scored by three boarded veterinary surgeons. Results: The use of a 3D-printed guide reduced the duration of surgery by 6.6 min (±1.5 min) compared to traditional screw placement (20.7 min ± 4.8 min, p < .01). Fewer peri-operative fluoroscopic images were obtained when the 3D guide was used (18 images ± 2.6 images vs. 40 images ± 5.1, p < .01). No difference was detected in navicular screw placement. Conclusions: The use of a 3D guide decreased the time required to place screws and the number of intraoperative images taken without affecting screw placement in intact navicular bones. Conclusions: 3D-printed guides can aid in the study, practice, and execution of surgical procedures reducing surgical time and radiation exposure throughout the operative period achieving similar results to those obtained with a conventional approach.
© 2021 American College of Veterinary Surgeons.
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Publication Date: 2021-03-09 PubMed ID: 33687084DOI: 10.1111/vsu.13616Google Scholar: Lookup
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  • Journal Article

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.

The research article discusses an experimental study aimed to evaluate the effect of 3D-printed guides when placing screws in equine navicular bones in comparison to a traditional method. Results revealed a significant reduction in operation time and use of fluoroscopic images with 3D-guides, with no significant different in screw placement.

Research Methodology

  • The researchers conducted an ex vivo study using eight pairs of normal adult equine forelimbs.
  • In each pair, one bone had a 3.5 × 55 mm cortical screw inserted using a 3D-printed guide, while the other had the screw placed with a traditional aiming device. This allowed for direct comparison between the two techniques within each pair of bones.
  • The team measured and compared the length of the surgery and the number of fluoroscopic images taken for each technique.
  • After the surgeries, the screw placement was evaluated and scored by a panel of three veterinary surgeons.

Results

  • Using the 3D-printed guide resulted in a significant reduction of surgery time by an average of 6.6 minutes compared to the traditional method.
  • The use of the 3D-guide also led to fewer perioperative fluoroscopic images being taken (an average reduction of 22 images per operation), therefore decreasing the radiation exposure during the procedure.
  • The team found no significant difference in the placement of the screws between the two techniques, indicating the 3D-printed guide did not compromise the efficacy nor the accuracy of the procedure.

Conclusion

  • The research concluded that the use of 3D-printed guides can significantly decrease the time required to place screws in equine navicular bones, as well as reduce the number of intraoperative images taken.
  • These findings suggest 3D-printed guides can be effectively used in surgical procedures, potentially benefiting not only in studying and practicing surgical procedures, but also enhancing the execution of those procedures while reducing surgical time and radiation exposure.
  • The researchers believe, these 3D guides can achieve similar results to those obtained with a conventional approach.

Cite This Article

APA
Perez-Jimenez EE, Biedrzycki AH, Morton AJ, McCarrel TM. (2021). Three-dimensional printed guides for screw placement in equine navicular bones. Vet Surg, 50(4), 758-766. https://doi.org/10.1111/vsu.13616

Publication

Veterinary surgery : VS
ISSN: 1532-950X
NlmUniqueID: 8113214
Country: United States
Language: English
Volume: 50
Issue: 4
Pages: 758-766

Researcher Affiliations

Perez-Jimenez, Erik E
  • Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida, USA.
Biedrzycki, Adam H
  • Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida, USA.
  • Surgical Translation and 3D Printing Research Laboratory (ST3DPRL), University of Florida, Gainesville, Florida, USA.
Morton, Alison J
  • Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida, USA.
McCarrel, Taralyn M
  • Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida, USA.

MeSH Terms

  • Animals
  • Bone Screws / statistics & numerical data
  • Bone Screws / veterinary
  • Cadaver
  • Cortical Bone / surgery
  • Female
  • Fluoroscopy / veterinary
  • Horses / surgery
  • Male
  • Printing, Three-Dimensional
  • Surgery, Veterinary / instrumentation
  • Surgery, Veterinary / methods
  • Surgery, Veterinary / statistics & numerical data
  • Tarsal Bones / surgery

Grant Funding

  • ACVS Research Foundation Surgeon-in-Training Grant
  • University of Florida College of Veterinary Medicine Faculty Grant

References

This article includes 13 references
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Citations

This article has been cited 3 times.
  1. Taylor CJ, Peter VG, Coleridge MOD, Bathe AP. Immediate pre-operative computed tomography for surgical planning of equine fracture repair: A retrospective review of 55 cases. PLoS One 2022;17(12):e0278748.
    doi: 10.1371/journal.pone.0278748pubmed: 36576917google scholar: lookup
  2. de Preux M, Precht C, Travaglini AT, Propadalo LM, Farra D, Vidondo B, Easley JT, Koch C. Influence of the Vertek aiming device on the surgical accuracy of computer-assisted drilling of the equine distal sesamoid bone-An experimental cadaveric study. Vet Surg 2025 Jan;54(1):118-128.
    doi: 10.1111/vsu.14176pubmed: 39445680google scholar: lookup
  3. Pudert T, Fries GF, Lotz H, Röcken M, Cruz AM. Use of a new aiming compression device and technique for the repair of navicular bone fractures in horses: A cadaveric study. Vet Surg 2025 Jan;54(1):98-106.
    doi: 10.1111/vsu.14152pubmed: 39149893google scholar: lookup
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