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Veterinary surgery : VS2023; doi: 10.1111/vsu.14036

The influence of a tension band fixation as an adjunct for arthrodesis of the metacarpophalangeal joint in the horse.

Abstract: To determine the influence of a stainless-steel cable (SSC) tension band fixation as an adjunct to a locking compression plate (LCP) for arthrodesis of the equine metacarpophalangeal (MCP) joint. Methods: Experimental. An ex vivo biomechanical paired equine cadaver limb study. Methods: Five MCP joint pairs were collected from adult Thoroughbred horses, euthanized for reasons unrelated to orthopedic disease. Methods: Each pair of MCP joints were randomly implanted with either a dorsally placed 5.5 mm LCP and a palmarly placed 2.0 mm SSC or a dorsally placed 5.5 mm LCP alone. Each construct was tested in cyclic loading followed by single cycle to failure in axial compression. Displacement at a target load of 1 kN over 3600 cycles at 1 Hz was recorded prior to single cycle to failure testing. Results: In cyclic testing, displacement was not significantly different between the first and last 5% of testing cycles regardless of construct. Maximum displacement of each construct during cyclic testing was <1.1 mm. In single cycle testing, the observed yield point did not reveal any difference between LCP and LCP-SSC (p = .440). The maximum load at failure was significantly higher in LCP-SSC compared to constructs with the LCP alone (p = .046). Conclusions: The addition of the SSC to the LCP did not statistically affect construct displacement during cyclic loading or construct yield load during subsequent single cycle to failure. Conclusions: This study provided much needed information regarding the necessity of a tension band SSC application in the arthrodesis of the MCP/MTP joint in horses.
© 2023 American College of Veterinary Surgeons.
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Publication Date: 2023-09-26 PubMed ID: 37752808DOI: 10.1111/vsu.14036Google 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.

This research investigates whether adding a stainless-steel cable to a locking compression plate improves the outcomes of a surgery to fuse the metacarpophalangeal joint in horses. The study found that while the addition of the cable didn’t significantly impact most metrics, it did cause a significantly higher maximum load at failure compared to using the plate alone.

Method

  • The research used an ex vivo study, which means it was conducted outside of a living organism, specifically using the limbs of euthanized Thoroughbred horses. These horses had been euthanized for reasons not related to orthopaedic conditions.
  • The metacarpophalangeal (MCP) joints of five pairs of limbs from these horses were randomly implanted with either a 5.5 mm locking compression plate (LCP) and a 2.0 mm stainless-steel cable (SSC) or a 5.5 mm LCP alone.
  • The researchers then tested each construct in cyclic loading (repeated loading and unloading cycles) followed by a single cycle to failure test in axial compression (pressure applied along the lengthwise axis of the construct). They recorded any displacement at a target load of 1kN over 3,600 cycles prior to the failure test.

Results

  • In cyclic testing, there was no significant difference in displacement observed between the first and last 5% of testing cycles for either the constructs with the LCP and SSC or those with the LCP alone. In all cases, maximum displacement was less than 1.1 mm.
  • There was also no significant difference between the constructs’ yield points in the single cycle testing – the yield point is the point at which a material begins to deform plastically and won’t return to its original shape when the stress is removed.
  • The maximum load at the point of failure was significantly higher in the constructs with both the LCP and SSC than those with the LCP alone.

Conclusion

  • The addition of the stainless-steel cable to the locking compression plate did not statistically affect displacement during repeated loading, or the yield load during a single load to failure.
  • However, the use of both a LCP and SSC created a construct that could withstand a significantly higher maximum load at the point of failure than a construct with the LCP alone.
  • This finding will be beneficial in providing necessary data regarding the potential benefits of employing a tension band SSC in the arthrodesis of the MCP/MTP joint in horses.

Cite This Article

APA
Kadic LIM, Rademacher N, Liu CC, Leise BS, McCauley CT, Riggs LM. (2023). The influence of a tension band fixation as an adjunct for arthrodesis of the metacarpophalangeal joint in the horse. Vet Surg. https://doi.org/10.1111/vsu.14036

Publication

Veterinary surgery : VS
ISSN: 1532-950X
NlmUniqueID: 8113214
Country: United States
Language: English

Researcher Affiliations

Kadic, Lawrence I M
  • Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, USA.
Rademacher, Nathalie
  • Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, USA.
Liu, Chin-Chi
  • Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, USA.
Leise, Britta S
  • Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, USA.
McCauley, Charles T
  • Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, USA.
Riggs, Laura M
  • Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, USA.

Grant Funding

  • LSU-SVM PG008194 / Charles V. Cusimano Equine Health Studies Program Grant
  • LSU-SVM PG009131 / Veterinary Clinical Sciences Competitive Research Program Grant

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Citations

This article has been cited 1 times.
  1. McKernan MJ, Diaz MA, Kucharik M, Coutelle N, Simon P, Doarn MC. Biomechanical Comparison of Surgical Steel Wiring and Suture Tape Tension Band Techniques for Arthrodesis of the Metacarpophalangeal and Proximal Interphalangeal Joint. J Hand Surg Glob Online 2024 Nov;6(6):898-902.
    doi: 10.1016/j.jhsg.2024.08.014pubmed: 39703584google scholar: lookup
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