Comparison of the tibial mechanical joint orientation angles in dogs with cranial cruciate ligament rupture |
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| Authors: | Mark C Fuller Amy S Kapatkin Kenneth A Bruecker Ian G Holsworth Philip H Kass Kei Hayashi |
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| Institution: | Departments of Surgical and Radiological Sciences (Fuller, Kapatkin) and Population Health and Reproduction (Kass), School of Veterinary Medicine, University of California-Davis, One Shields Avenue, Davis, California 95616, USA; Veterinary Medical and Surgical Group, Ventura, California 93003, USA (Bruecker, Holsworth); Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, USA 14853 (Hayashi). |
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| Abstract: | Use of the tibial mechanical joint orientation angles is now the standard of care for evaluating tibial deformities, although they have not been used to evaluate dogs with cranial cruciate ligament (CrCL) rupture. The objective of this study was to compare the tibial mechanical joint orientation angles and tibial plateau angle (TPA) between dogs with bilateral CrCL rupture (BR) and unilateral CrCL rupture with (UR-SR) and without subsequent contralateral CrCL rupture (UR-w/o-SR) as risk factors for subsequent contralateral CrCL rupture. Twenty dogs (21.7%) were classified as BR, 38 (41.3%) were classified as UR-SR, and 34 (37.0%) were classified as UR-w/o-SR. The tibial mechanical joint orientation angles and TPA, in the range studied (< 35°), were not statistically different for dogs with BR, UR-SR, and UR-w/o-SR, and were not significant risk factors for subsequent contralateral CrCL rupture. |
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