Abstract
Tibial tuberosity advancement (TTA) is used to treat cranial cruciate ligament rupture of the stifle joint in dogs. Tibial tuberosity fracture/fissure is a complication of TTA that may have a favorable prognosis. The aim of this study was to detect how tibial tuberosity fracture/fissure through the Maquet hole worsens the progression of osteoarthritis (OA) in the stifle joint of dogs treated with porous TTA. Seventeen cases were included in the study, divided into two groups. The first group (n = 10) included subjects that had tibial tuberosity fracture/fissure through the Maquet, and the second group included subjects that had no complications (n = 7). Both groups showed significant progression compared to OA at 3 months after surgery. We observed that at T0, the control group showed a higher level of OA. For this reason, we normalized the OA scores, evaluating the percentage difference from T0 and T1. We verified that there were no statistically significant differences between the two groups. The results confirm that OA progression in subjects undergoing TTA was not significantly influenced by fracture/fissure of the tibial tuberosity through the Maquet hole. Therefore, fracture fissure through the Maquet hole should be considered as a common minor complication during TTA.
Highlights
Tibial tuberosity advancement (TTA) has been added to the set of surgical procedures used to treat cranial cruciate ligament (CCL) rupture of the stifle joint in dogs
Materials and Methods progression of osteoarthritis (OA) in the stifle joint of dogs treated with porous TTA
Seven stifle joints were included in the control group (No Fx group) and 10 in the group with fracture/fissure of the Maquet hole (Fx group)
Summary
Tibial tuberosity advancement (TTA) has been added to the set of surgical procedures used to treat cranial cruciate ligament (CCL) rupture of the stifle joint in dogs. The modification of the stifle joint geometry obtained with the TTA procedure has the aim of neutralizing cranial tibial subluxation, it does not restore the position of the tibia in relation to the femur, resulting in progression of osteoarthritis (OA) [1,2,3]. In this surgical area, different techniques have been described since the original Montavon procedure was reported [4]. The risk of fracture of the distal tibial tuberosity, or even the tibia, from propagation of the osteotomy was described in 20% of procedures [5]
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