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DOI: 10.1055/a-2595-2962
Tibial Plateau Angles in Small- and Large-Breed Dogs with Cranial Cruciate Ligament Rupture: A Retrospective Study of 132 Cases
Funding None.
Abstract
Objective
Cranial cruciate ligament rupture (CrCLR) is a common orthopaedic condition in dogs, with tibial plateau angle (TPA) considered a potential predisposing factor. This study compared TPA, age and signalment between CrCLR and intact cranial cruciate ligament dogs in small- and large-breed groups.
Study Design
Medical records from 171 client-owned dogs (222 tibiae) diagnosed at the Veterinary Teaching Hospital, Khon Kaen University, between February 2020 and December 2024, were analysed.
Results
Dogs in the CrCLR group (132 dogs) had a significantly higher TPA (25.28 ± 4.65 degrees) than those in the intact cranial cruciate ligament group (21.49 ± 4.15 degrees, p < 0.001). Among CrCLR dogs, small-breed dogs exhibited a higher TPA (26.04 ± 4.74 degrees) compared with large-breed dogs (24.25 ± 4.33 degrees, p < 0.05). Receiver operating characteristic analysis indicated a moderate predictive value of TPA in diagnosing CrCLR, with higher accuracy in small-breed dogs (area under the curve: 0.76, optimal cut-point: 21.65 degrees) compared with large-breed dogs (area under the curve: 0.66, optimal cut-point: 23.95 degrees).
Conclusion
Although TPA was higher in CrCLR dogs, it is not an individual determinant of the condition. Further research is required to explore additional contributing factors and enhance predictive models.
Authors' Contributions
P.K., S.H., S.S. and N.K. designed the study and conducted the study. P.K., S.H. and N.K. performed the data collection and acquisition, revised the manuscript, and provided input on the study design. S.S. and P.K. performed the statistical analysis. P.K. prepared the manuscript. All authors have read, reviewed, and approved the final manuscript.
Publication History
Received: 28 January 2025
Accepted: 17 April 2025
Article published online:
29 May 2025
© 2025. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/)
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