Abstract :
[en] Abstract: Persistent stifle instability is a recognized complication following tibial tuberosity advancement
techniques (TTAT). The aim of this study is to report the feasibility and outcome of tibial
plateau leveling techniques (TPLT) to treat dogs with persistent lameness, suspected to be secondary
to persistent stifle instability, following (TTAT). Medical records of dogs presented for persistent
lameness after TTAT were reviewed. Preoperative data included orthopedic examination, lameness
score and radiographs. Inclusion criteria included performance of a surgery to address persistent
lameness and suspected instability. Short-term follow up data included orthopedic examination and
radiographs of the stifle. Long-term follow up was based on postoperative Liverpool Osteoarthritis
in Dogs (LOAD) questionnaire. Seven dogs were included in the study. Mean subjective preoperative
lameness score was 3 1.53. Mean preoperative patellar ligament angle relative to the tibial plateau
(PLATP) was 94 and mean tibial plateau angle (TPA) was 28 . Six dogs had tibial plateau leveling
osteotomy and one had modified cranial closing wedge ostectomy. Mean postoperative PLATP was
79 and mean TPA was 5 . Mean subjective lameness score at follow up was 0.57 0.49. Minor
complications were present in 2 dogs and major complication in 1 dog. Mean LOAD questionnaire
score was 6.6/52. TPLT can be performed after TTAT and may improve clinical function and stability
in these cases in which persistent instability is suspected.
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