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Tibial tuberosity advancement technique in small breed dogs: study of 30 consecutive dogs (35 stifles)
- Ferreira, A. J. A., Bom, R. M., Tavares, S. O.
- Thejournal of small animal practice 2019 v.60 no.5 pp. 305-312
- cranial cruciate ligament, dogs, lameness, radiography, stifle, surgery, tibia
- OBJECTIVES: To assess the outcome and peri‐operative complications of the tibial tuberosity advancement technique in small dogs with cranial cruciate ligament rupture. MATERIALS AND METHODS: Cranial cruciate ligament rupture was diagnosed by positive drawer sign or tibial thrust test and confirmed at surgery in 30 dogs (35 stifles) weighing less than 15 kg. Clinical and radiographic follow‐up was obtained at 4 and 12 weeks or later. Thigh diameter and affected and non‐affected stifle joint flexion and extension angles were also measured. RESULTS: At 4‐week follow‐up 26 of 35 (74%), eight of 35 (23%) and one of 35 (3%) showed no, mild and moderate lameness, respectively. Similarly, at 12 weeks or later the respective outcomes were 32 of 35 (91%), two of 35 (6%) and one of 35 (3%). The mean thigh diameter of affected limbs at 12 or more weeks was 96% of the mean of normal limbs and stifle range of motion reached 98% of normal extension and 97% of normal flexion. There were complications in two of 35 stifles: one screw partially inserted into the joint and postoperative wound dehiscence, both of which required surgical correction. CLINICAL SIGNIFICANCE: The tibial tuberosity advancement technique leads to acceptable outcomes in small dogs with cranial cruciate ligament rupture.