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Objectives:
To compare the biomechanical properties of lateral femoro-fabella ligament suture (FFLS) and lateral suture with a bone anchor suture (BAS) for management of feline cranial cruciate ligament disease.
Methods:
Cadaveric femurs were collected from April to June 2023. Ethics approval from the research and animal ethic committees were obtained. The specimens had an FFLS and, subsequently, BAS placed and were positioned into a biomechanical testing machine, preloaded from 5 N to 15 N for 100 cycles. Subsequently, a load to suture failure was applied. The displacement at 5 N and 15 N, the total precycle displacement (millimeters), the force at 3 mm displacement and at failure (Newtons), the displacement at failure (millimeters), and the stiffness to failure (Newton/millimiter) were recorded. Nonparametric Wilcoxon signed-rank tests were used to compare data between the 2 groups.
Results:
Twelve femurs from 6 skeletally mature cadaveric cats were collected. The displacement at 5 N and 15 N and the total precycle displacement were significantly higher in the FFLS group compared to the BAS group. Additionally, the FFLS group results showed less consistent displacement and marked variability. The force (Newtons) at 3 mm displacement was higher in the BAS group. There was no significant difference in force and no significant difference in displacement at failure between the 2 groups. However, the stiffness to failure (N/mm) was significantly higher in the BAS group.
Conclusions:
BAS represented a more stable and reliable femoral attachment for extracapsular sutures in cats.
34th Annual Scientific Meeting proceedings
Stream:
|
Session:
Date/Time: 03-07-2025 (18:45 - 19:00) | Location:
Date/Time: 03-07-2025 (18:45 - 19:00) | Location:
Ex vivo biomechanical evaluation and comparison of lateral femoro-fabella ligament suture and lateral suture with bone anchor for cranial cruciate ligament repair in cats
Tassani C2, De Witt AA1, Fosgate GT3, Elliott RC1
1Department of Companion Animal Clinical Studies, Faculty of Veterinary Science, University of Pretoria, Pretoria, South Africa, 2Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy, 3Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria, Pretoria, South Africa.
Objectives:
To compare the biomechanical properties of lateral femoro-fabella ligament suture (FFLS) and lateral suture with a bone anchor suture (BAS) for management of feline cranial cruciate ligament disease.
Methods:
Cadaveric femurs were collected from April to June 2023. Ethics approval from the research and animal ethic committees were obtained. The specimens had an FFLS and, subsequently, BAS placed and were positioned into a biomechanical testing machine, preloaded from 5 N to 15 N for 100 cycles. Subsequently, a load to suture failure was applied. The displacement at 5 N and 15 N, the total precycle displacement (millimeters), the force at 3 mm displacement and at failure (Newtons), the displacement at failure (millimeters), and the stiffness to failure (Newton/millimiter) were recorded. Nonparametric Wilcoxon signed-rank tests were used to compare data between the 2 groups.
Results:
Twelve femurs from 6 skeletally mature cadaveric cats were collected. The displacement at 5 N and 15 N and the total precycle displacement were significantly higher in the FFLS group compared to the BAS group. Additionally, the FFLS group results showed less consistent displacement and marked variability. The force (Newtons) at 3 mm displacement was higher in the BAS group. There was no significant difference in force and no significant difference in displacement at failure between the 2 groups. However, the stiffness to failure (N/mm) was significantly higher in the BAS group.
Conclusions:
BAS represented a more stable and reliable femoral attachment for extracapsular sutures in cats.
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