Good clinical outcomes in young dogs with tibial tuberosity avulsion fracture repairs
Objective: To evaluate outcomes of tibial tuberosity avulsion fractures (TTAF) in dogs with implants left in situ past skeletal maturity and to compare clinical outcomes with published outcomes in dogs whose implants were removed four to six weeks postoperatively.
Animals: 47 client-owned dogs.
Procedures: In this retrospective study, 47 dogs had surgery to correct a TTAF before 10 months of age and had the implants left in situ past skeletal maturity. Of these, 42 were followed for a median of 36 months postoperatively. Short- and long-term complications were recorded and compared with historically published data in which the implants were removed within six weeks of surgery.
Results: 14% or 6 of 42 dogs experienced minor long-term complications including stiffness and lameness. Three of 47 or 6% experienced major short-term complications and 14% or 6 of 24 dogs experienced major long-term complications. There was no difference in long-term outcomes when compared with results of historical reports in which implants were removed four to six weeks postoperatively. Client satisfaction was high, with 93% or 38 of 41 grading outcomes as excellent and 95% or 39 of 41 stating they would have surgery performed again.
Clinical relevance: Immature dogs with surgically repaired TTAFs have favorable long-term outcomes when the implants were left in situ past skeletal maturity. Dogs with TTAF repairs may not need implant removal unless it becomes clinically necessary. Avoiding a second procedure will decrease patient morbidity, recovery time and cost.
Zachary A. Miller, Sady Y. Cabrera, David Mason and Philip H. Kass. "Good clinical outcomes achieved in young dogs with tibial tuberosity avulsion fracture repairs when implants were left in situ past skeletal maturity." JAVMA. Volume 260: Issue 15: 28 September 2022. DOI: https://doi.org/10.2460/javma.22.07.0336
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