Complications Associated with Intraarticular Repair Techniques

Biskup, Jeffery J.; Conzemius, Michael G.

doi:10.1002/9781119654407.ch4

Cited by 1 publication

(2 citation statements)

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“…4 5 6 7 High rates of premature graft failure and poor limb function have resulted in intra-articular techniques falling out of favor. 4 6 7 8 9 10 11 12 13 Similarly, extracapsular suture techniques have been shown to have a poorer functional outcome when compared to tibial osteotomies. 7 13 14 15 In order to improve the functional outcome of extracapsular suture techniques, the isometric principle has been extrapolated to the lateral aspect of the joint where it is thought that placing a prosthesis close to isometric points will result in improved outcome.…”

Section: Introductionmentioning

confidence: 99%

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Determination of Isometric Points in the Stifle of a Dog Using a 3D Model

Yair

Yiapanis

Ben‐Amotz

et al. 2023

Vet Comp Orthop Traumatol

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Objective The aim of this study was to develop a three-dimensional (3D) model to identify the isometric component of the cranial cruciate ligament (CCL) in dogs. Methods A static 3D model of the specimen was generated from a computed tomography scan of the stifle of a dog and a kinematic model was generated from data collected, every 5 degrees from full extension (131 degrees) through 80 degrees of stifle flexion, from four sensors attached to the tibia. Kinematic data were superimposed on the static model by aligning the points of interest, which were defined for both models. This allowed the tibia to rotate and translate relative to the femur based on the kinematic data. The contours of the distal femur and proximal tibia were converted into point clouds and the distance between each point in the femoral point cloud and all the points in the tibial point cloud were measured at each of the 15 positions. The difference between the maximum and minimum distances for each pair of points was calculated, and when it was less than 0.2 mm, points were illustrated as two red dots connected by a line at their locations on the femur and tibia. Results A total of 3,681 pairs of isometric points were identified and were located at the origin and insertion of the CCL and on the lateral aspect of the stifle. Conclusion Isometric areas are present at the origin and insertion of the CCL and lateral aspect of the stifle. Better understanding of these locations may lead to refinements in techniques to replace the ruptured CCL.

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Section: Introductionmentioning

confidence: 99%

“…16 17 22 Significant instability also persists in dogs treated with tibial osteotomies, 23 24 and although these dogs often do not show clinical lameness, failure to restore normal stifle biomechanics results in late meniscal damage, 25 26 and progressive osteoarthritis. 5 6 12 27 28 29 30…”

Section: Introductionmentioning

confidence: 99%