Retrospective analysis of factors associated with outcome of proximal interphalangeal joint arthrodesis in 82 horses including Warmblood and Thoroughbred sport horses and Quarter Horses (1992–2014)

Herthel, T. D.; Rick, Mark C.; Judy, Carter E.; Cohen, Noah D.; Herthel, Doug

doi:10.1111/evj.12503

Cited by 17 publications

(43 citation statements)

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“…Limitations of this study include a lack of grading of the degree of osteoarthritis at the time of diagnosis. It is reasonable to assume that a more advanced stage of osteoarthritis at the time of fragment removal would result in a less favorable long‐term athletic outcome . Other limitations include the small number of affected horses, reflecting the low prevalence of this disease, and the study's retrospective nature.…”

Section: Discussionmentioning

confidence: 98%

“…It is reasonable to assume that a more advanced stage of osteoarthritis at the time of fragment removal would result in a less favorable long-term athletic outcome. [21][22][23] Other limitations include the small number of affected horses, reflecting the low prevalence of this disease, and the study's retrospective nature. Histopathologic analysis of the fragments could have allowed insights into the pathophysiology of the underlying disease but was not performed.…”

Section: Discussionmentioning

confidence: 99%

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Osteochondral fragments of the pastern joint at the origin of the collateral ligament of the distal sesamoid bone: performance after arthroscopic removal (2000–2015)

et al. 2019

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Objective To describe the presence of fragments in the dorsal proximal interphalangeal (PIP) joint and to report flat racing performance after surgical treatment. Study design Retrospective study. Sample population Thirty‐nine affected thoroughbred flat racehorses and 169 age‐ and sex‐matched maternal siblings. Methods Medical records from 2000 to 2015 were reviewed for thoroughbred horses that underwent arthroscopic removal of osteochondral fragments in the dorsal aspect of the PIP joint. The horses’ 2‐year‐old year, 3‐year‐old year, and career athletic performances were compared with their matched siblings. Results Thirty‐nine thoroughbred horses were included, varying in age from 4 months to 4 years, with osteochondral fragments in 42 PIP joints. Hind limbs (92%) were more commonly affected than forelimbs (8%). Fragments were located within the origin of the collateral ligament of the distal sesamoid (navicular) bone. After surgery, the likelihood of starting a race did not differ between treated horses (27/39 [69%]) and maternal siblings (129/169 [76%], P = .15). Race earnings did not differ between treated horses and their siblings during their 2‐year‐old year (P = .66), 3‐year‐old year (P = .43), or career (P = .60). Conclusion Removing osteochondral fragments from the origin of the collateral ligament of the distal sesamoid bone did not impair the ability to race or earning potential for affected thoroughbred racehorses compared with their maternal siblings. Clinical significance Fragments from the dorsal aspect of the PIP joint in racehorses can be removed arthroscopically resulting in a good clinical outcome and future flat racing performance comparable to matched controls.

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Section: Discussionmentioning

confidence: 98%

Section: Discussionmentioning

confidence: 99%

Osteochondral fragments of the pastern joint at the origin of the collateral ligament of the distal sesamoid bone: performance after arthroscopic removal (2000–2015)

et al. 2019

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“…Bei ALPS-20-Implantaten wurden weder nach der Implantierung noch nach der Testung Deformationen festgestellt. Im Gegensatz dazu zeigten die PIP-LCPs Deformationen in der Längsachse schon zum Zeitpunkt der Implantation, nach dem Festziehen der Schraube im mittleren Introduction Arthrodesis in horses is most often performed and reported in regard to the proximal interphalangeal joint (PIJ) [1] [2] [3][4] [5]. The unique biological and behavioral characteristics of horses necessitate specific surgical objectives when performing PIJ arthrodesis.…”

Section: Ergebnisse Die Mechanischen Eigenschaften Der Beidenunclassified

Arthrodesis of the equine proximal interphalangeal joint: a biomechanical comparison of 2 different LCP systems

Vidović

Jansen

Schwan

et al. 2020

Tierarztl Prax Ausg G

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Objective This study compares the mechanical stability and surgical usability of 2 locking plate systems (Kyon ALPS-20 and Synthes PIP-LCP system) for arthrodesis of the equine proximal interphalangeal joint (PIJ). Material and methods The experimental ex vivo study included 6 pairs of cadaver distal limbs (n = 12). All specimens were derived from Warmblood horses of various ages that were euthanized for non-orthopedic reasons. Of the 12 limbs collected, 3 left and 3 right distal limb specimens were randomly assigned to each system for implantation. Two abaxial 4.5-mm cortical screws were inserted transarticularly in all cases. Both systems were implanted according to the manufacturer’s instructions with the plates placed centrally between the 2 transarticular screws. The ALPS-20 systems were implanted using Kyon B-6.4-mm monocortical locking screws in all positions. The LCP systems were implanted axially using 2 Synthes 5-mm locking screws in the proximal and distal positions, with a standard 4.5-mm cortical screw inserted in the middle position. All constructs underwent CT-scans after implantation and biomechanical testing to detect implant deformation. Uniaxial mechanical loading was applied via a servo-hydraulic test system at a test speed of 50 mm/s, up to a maximum displacement of 80 mm. The resulting load-displacement curves were used to calculate yield point, stiffness, and maximum force for each construct. The measured values were evaluated for statistical significance (p < 0.05) between the 2 plate systems via one-factor ANOVA (Tukey test). The statistical power was verified for yield force, stiffness, and maximum load. Results No statistically significant differences between the 2 preparation groups were calculated across all of the measured parameters (p > 0.05). The ALPS system implants showed no signs of deformation, either in the plates or the screws. In contrast, the LCP demonstrated visible deformation, which had already occurred at the time of implantation from the tightening of the middle screw, as well as during the subsequent testing of the implants. After biomechanical testing, deformations ranging between 3.1° and 7.0° were measured in 4 LCPs. A total implant failure was observed for 2 LCPs. Conclusion and clinical relevance Both systems demonstrated comparable mechanical properties in the present study’s ex vivo test model for equine PIJ arthrodesis. As such, the Kyon ALPS-20 may be a good alternative to the Synthes LCP for equine PIJ arthrodesis.

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“…3,4,[7][8][9][10] The reported success rate of osteoarthritis cases treated with the traditional approach for proximal interphalangeal joint arthrodesis ranges from 72 to 85%. [9][10][11] Despite a favourable reported outcome, treatment of proximal interphalangeal joint osteoarthritis with traditional surgical techniques can be cost prohibitive for some owners, resulting in either early retirement or euthanasia of the horse.…”

Section: Introductionmentioning

confidence: 99%

A Standing Percutaneous Technique for Proximal Interphalangeal Joint Arthrodesis in Twelve Horses (2014–2017)

Heaton

Farnsworth

Souza

et al. 2019

Vet Comp Orthop Traumatol

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Objectives This report describes the use of a minimally invasive standing pastern arthrodesis technique for the treatment of osteoarthritis in horses and documents its clinical outcome in 12 horses. Materials and Methods Medical records and radiographs of horses diagnosed with proximal interphalangeal joint osteoarthritis that underwent standing pastern arthrodesis using transarticular screws were reviewed. Follow-up information for determination of outcome was obtained via phone interview with the owners. Results Twelve horses (15 limbs) were included in the study. Radiographical findings revealed severe osteoarthritis in 12/15 limbs and moderate osteoarthritis in 3/15 limbs. Follow-up information was available for 11/12 cases (13/15 limbs). Phone surveys with the owners revealed that 8/11 horses were performing at their previous activity level or higher. Two horses remained lame. One horse developed a surgical site infection and was euthanatized. The average time for horses to return to their previous level of activity was 6.5 months (range: 1–18 months). Clinical Significance Stabilization of the proximal interphalangeal joint in horses with moderate-to-severe osteoarthritis can be performed using this minimally invasive standing technique. This procedure can be performed safely and provides a similar outcome when compared with other described techniques.

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Retrospective analysis of factors associated with outcome of proximal interphalangeal joint arthrodesis in 82 horses including Warmblood and Thoroughbred sport horses and Quarter Horses (1992–2014)

Abstract: Arthrodesis of the PIP joint in Warmbloods/Thoroughbreds and Quarter Horses results in a favourable outcome for return to their intended use and athletic competition.

Cited by 17 publications

References 13 publications

Osteochondral fragments of the pastern joint at the origin of the collateral ligament of the distal sesamoid bone: performance after arthroscopic removal (2000–2015)

Osteochondral fragments of the pastern joint at the origin of the collateral ligament of the distal sesamoid bone: performance after arthroscopic removal (2000–2015)

Arthrodesis of the equine proximal interphalangeal joint: a biomechanical comparison of 2 different LCP systems

A Standing Percutaneous Technique for Proximal Interphalangeal Joint Arthrodesis in Twelve Horses (2014–2017)

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