What is it about?
While most techniques for tibial tuberosity advancement (TTA) create a gap in the tibial crest, the circular osteotomy allows the maintenance of a continuous contact thanks to the rotation between the two parts of the osteotomized bone. What we wanted to understand with the study was how the position of the insertion of the patellar tendon changed following the change of the osteotomy variables, that is, the extent of rotation and the angle of the osteotomy.
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Why is it important?
The previous point is important to understand in order to foresee the change in the patellar tendon's position. A change in its position may lead to patellar subluxation/luxation, with potential serious side effects of the procedure.
Perspectives
The perspective could have been to develop a technique for TTA capable of consistently achieve the scheduled result without the creation of a gap into the bone. This would allow a reduction of postoperative risk of tibial and/or tibial crest fracture.
DVM, DECVS (NA) Gian Luca Rovesti
Clinica veterinaria M. E. Miller
Read the Original
This page is a summary of: Effects of Rotation and Osteotomy Angulation on Patellar Tendon Insertion Position during Circular Tibial Tuberosity Osteotomy, Veterinary Surgery, December 2012, Wiley,
DOI: 10.1111/j.1532-950x.2012.01079.x.
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