Retrospective cohort study exploring the impact of tibial plateau angle on postoperative outcomes in TPLO and TTA Rapid
Abstract
In this retrospective cohort study, complications and predisposing factors associated with tibial plateau leveling osteotomy (TPLO) and tibial tuberosity advancement rapid (TTAr) were compared in 147 dogs treated for cranial cruciate ligament rupture (TPLO = 98, TTAr = 49). The complications were classified as minor or major, and statistical analyses were performed using logistic regression models. TTAr showed 40.8% (20/49) minor and 2.0% (1/49) major complications, while TPLO presented 37.8% (37/98) minor and 3.1% (3/98) major complications. No significant differences were found between the two procedures regarding total (p = 0.495), minor (p = 0.427), or major (p = 0.710) complication rates. Additionally, the tibial plateau angle (TPA) and patient variables, i.e. breed, weight, age, gender, neutering status and body condition score - did not significantly affect the complication prevalence. These findings indicate that TTAr and TPLO are comparable surgeries showing similar low complication rates, with both techniques having broad applicability, provided that the TPA is below 28° for TTAr patients.
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