Peer-reviewed veterinary case report
Tibial plateau angle changes after TPLO and dog recovery at 6 months
By Volz, Frederik et al.·Published in Frontiers in veterinary science·2024·LMU Small Animal Clinic, Germany·View original on PubMed →
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Original publication title: Postoperative tibial plateau angle changes and their influence on ground reaction forces 6 months after TPLO: a prospective study.
- Species:
- dog
Plain-English summary
A group of 60 dogs with cranial cruciate ligament disease underwent a surgical procedure called tibial plateau leveling osteotomy (TPLO) to help improve their mobility. After six months, the researchers measured changes in the angle of the tibial plateau and assessed the dogs' lameness and walking patterns. They found that while there was a slight change in the angle, it didn't significantly affect the dogs' recovery or how well they walked. However, dogs with a lower angle six months after surgery showed a more balanced gait. Overall, the surgery helped, but the angle change wasn't a major factor in their recovery.
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Abstract
OBJECTIVES: The objectives of the study were to investigate the association between change in postoperative (post-op) tibial plateau angle (TPA) in dogs and cranial cruciate ligament disease (CCLD) after tibial plateau leveling osteotomy (TPLO) during 6 months on the post-op outcome. METHODS: The inclusion criteria included 60 dogs with CCLD treated with TPLO fulfilled. TPA measurements were taken immediately post-op and 6 months post-op by three observers, and change in TPA was calculated. The outcome was evaluated using lameness score, owner questionnaire, and gait analysis performed preoperatively and 6 months post-op. RESULTS: The mean change in TPA was 0.22 ± 0.75°. The interobserver reliability for TPA measurements was excellent. No differences in TPA measurements between observers were found ( = 0.07-0.105). No association between the change in TPA and outcome was found. The multivariate linear regression model for the symmetry index of peak vertical force (SIPVF) 6 months post-op was significant ( = 0.210; = 0.031), and the TPA at 6 months post-op was the only significant factor ( = 0.459; 95% CI: 0.41-1.44; < 0.001), indicating that a lower TPA 6 months post-op results in lower SIPVF values. CONCLUSION: The study indicated that lower TPAs 6 months post-op lead to a more symmetrical gait in hindlimbs 6 months post-op. No other significant factor between post-op changes in TPA and outcome after TPLO was found. Our results showed little post-op TPA change up to 6 months. This indicates that change in TPA is not present as reported.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/39834919/