Biomechanics of Cranial Cruciate Ligament Reconstruction in the Dog II. Mechanical Properties

Veterinary Surgery - Tập 12 Số 3 - Trang 113-118 - 1983
David L. Butler1, Donald A. Hulse2, Matthew D. Kay1, Edward S. Grood1, Peter K. Shires2, Robert D’Ambrosia3, Hiromu Shoji3
1Department of Orthopaedic Surgery, College of Medicine, University of Cincinnati, Cincinnati, Ohio
2Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana
3Department of Orthopaedic Surgery, College of Medicine, Louisiana State University, Baton Rouge, Louisiana

Tóm tắt

A biomechanical analysis of the results of an over‐the‐top procedure for replacement of the cranial cruciate ligament (CCL) in the dog is presented. Using 15 adult mongrel dogs, the CCL in one stifle joint was reconstructed using fascia lata and the lateral one‐third of the patellar ligament. The opposite CCL served as the control. Animals were sacrificed at 0, 4, 12 and 26 weeks postoperation and axial failure tests were performed. Stiffness, maximum load, and elastic modulus of the replacement increased over time, while elongation to maximum load continually decreased as compared to controls. Other parameters showed less consistent trends.The results are encouraging given the reduction in joint laxity and the increases in tissue stiffness and strength. However, the ligament substitute was still unable to replicate the mechanical properties of the normal cruciate ligament. Longer studies therefore are required to determine if this replacement is capable of completely restoring joint stability and normal function.

Từ khóa


Tài liệu tham khảo

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Veterinary Surgery

Tập 12 Số 3

113-118

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