Combined transverse femoral ostectomy and tibial tuberosity distalisation for correction of medial patella luxation and patella alta in dogs

2018 ◽  
Vol 96 (11) ◽  
pp. 428-432 ◽  
Author(s):  
J Drew ◽  
M Glyde ◽  
G Hosgood ◽  
M Newman
Keyword(s):  
Tibial Tuberosity ◽  
Patella Alta ◽  
Patella Luxation

Complications of Canine Tibial Tuberosity Avulsion Fractures

1991 ◽  
Vol 4 (02) ◽  
pp. 54-58 ◽  
Author(s):  
K. A. Johnson ◽  
Sarah Goldsmid
Keyword(s):  
Postoperative Complications ◽  
Growth Plate ◽  
Fracture Fixation ◽  
Tibial Plateau ◽  
Tibial Tuberosity ◽  
Avulsion Fractures ◽  
Bilateral Involvement ◽  
Wire Breakage ◽  
Patella Luxation ◽  
Growth Abnormalities

SummarySeventeen dogs between three and 22 months of age were treated for avulsion fractures of the tibial tuberosity. The majority of dogs were greyhounds and bull terriers. Three cases had bilateral involvement. Eleven were treated surgically, four were treated conservatively and two were euthanatised. Lameness was resolved by the time of the last examination in 4/4 conservatively managed cases and 7/11 surgically treated cases. Postoperative complications were related to fracture fixation or growth abnormalities. Fixation complications included avulsion of the tuberosity from the implant, wire breakage, bending of a pin, mild patella luxation and a pin through the tibial plateau growth plate. Deformity of the proximal tibial plateau occurred in two dogs, and flattening of the tibial tuberosity with distal translocation developed in at least two other dogs.

Three-dimensional transfer of the tibial tuberosity for patellar instability with patella alta

2013 ◽  
Vol 18 (3) ◽  
pp. 437-442 ◽  
Author(s):  
Shuhei Otsuki ◽  
Mikio Nakajima ◽  
Shuhei Oda ◽  
Yoshiaki Hoshiyama ◽  
Kenta Fujiwara ◽  
...  
Keyword(s):  
Patellar Instability ◽  
Three Dimensional ◽  
Tibial Tuberosity ◽  
Patella Alta

Influence of age on clinical outcomes of three-dimensional transfer of the tibial tuberosity for patellar instability with patella alta

2016 ◽  
Vol 25 (8) ◽  
pp. 2392-2396 ◽  
Author(s):  
Shuhei Otsuki ◽  
Mikio Nakajima ◽  
Kenta Fujiwara ◽  
Yoshinori Okamoto ◽  
Go Iida ◽  
...  
Keyword(s):  
Clinical Outcomes ◽  
Patellar Instability ◽  
Three Dimensional ◽  
Tibial Tuberosity ◽  
Patella Alta

Distal tibial tuberosity translation using TTA implants for the treatment of patella alta in large breed dogs

2015 ◽  
Vol 28 (04) ◽  
pp. 274-281 ◽  
Author(s):  
F. S. Pike ◽  
S. W. Aiken ◽  
L. C. Pugliese
Keyword(s):  
Body Weight ◽  
Femoral Condyle ◽  
Tibial Tuberosity ◽  
Patella Alta ◽  
Patellar Ligament ◽  
Radiographic Assessment ◽  
Good Clinical Outcome ◽  
The Mean ◽  
Diagonal Length

SummaryIntroduction: Medial patellar luxation frequently occurs in dogs resulting in lameness with increasing incidence in large breed dogs. Patella alta has been defined as a patellar ligament length to patellar length ratio that is greater than two and may predispose to patellar luxation.Objective: To describe the surgical technique for stabilization of the distal translation of the tibial tuberosity using tibial tuberosity advancement plates and the clinical outcomes with follow-up for clinical cases of dogs.Methods: Dogs that were presented with the complaint of patellar luxation and that were concurrently diagnosed with patella alta and were greater than 20 kg in body weight underwent surgery using a tibial tuberosity advancement plate to stabilize the osteotomy. Radiographic assessment of A:PL distance (the ratio of the proximal aspect of the patella to the femoral condyle [A] to the patellar length [PL]), L:P ratio (ratio of the length of the patellar ligament to the diagonal length of the patella), and owner assessment were obtained.Results: Eleven stifles in nine dogs underwent surgical correction with a mean preoperative L:P ratio of 2.47. There were no complications and the lameness resolved clinically. The mean A:PL ratios preoperatively (2.6 ± 0.22) and postoperatively (2.1 ± 0.25) were significantly different (p = 0.0003). All owners were satisfied with the outcome and all dogs had a resolution of lameness with no recurrence of patellar luxation.Clinical significance: Stabilization of distal translation of the tibial tuberosity using tibial tuberosity advancement implants to correct patella alta in large breed dogs was feasible and resulted in good clinical outcome.

scholarly journals Distalization and Medialization of Tibial Tuberosity for the Treatment of Potential Patellar Instability with Patella Alta

Joints ◽  
2018 ◽  
Vol 06 (02) ◽  
pp. 080-084 ◽  
Author(s):  
Davide Enea ◽  
Pier Paolo Canè ◽  
Marco Fravisini ◽  
Antonio Gigante ◽  
Luca Dei Giudici
Keyword(s):  
Patellar Instability ◽  
Patellofemoral Instability ◽  
Tibial Tuberosity ◽  
Patella Alta ◽  
Functional Improvement ◽  
Patella Dislocation ◽  
Level Of Evidence ◽  
Exact Test ◽  
History Of ◽  
Retrospective Comparative Study

Purpose The aim of the study was to test the distalization and medialization of the tibial tuberosity (DMTT) for the treatment of patellar instability associated with patella alta, focusing on residual instability and pain. Methods Twenty-four consecutive patients (26 knees) suffering from patellofemoral instability and patella alta were treated by DMTT. Two groups were identified, which differed for documented history of frank patella dislocation. The groups were named objective patellar instability (OPI) (history of dislocation) and potential patella instability (PPI) (no dislocation). Outcome was measured with visual analogue scale (VAS), Kujala score, and Tegner score. Comparison between groups was performed using Student's t-test, Wilcoxon rank score, and Fisher's exact test (significance at p < 0.05). Results At 50 ± 18 and 41 ± 18 months of follow-up, respectively, both PPI and OPI groups obtained a significant pain reduction and functional improvement. The PPI group showed a significant decrease of the subjective instability. No procedure-related complications were reported. Conclusion This study suggests that DMTT is a viable option for PPI patients with patella alta. The outcome was comparable between PPI and OPI cases; however, decrease in subjective instability was significantly greater in PPI patients. Level of Evidence Level III, retrospective comparative study.

Effect of Suture Type on Stifle Joint Biomechanics After Extra-Articular Repair of Cranial Cruciate Ligament Transection in the Dog

1991 ◽  
Vol 4 (04) ◽  
pp. 144-149 ◽  
Author(s):  
M. S. Bauer ◽  
W. E. Blevins ◽  
W. R. Widmer ◽  
Jaqueline Davidson ◽  
S. W. Aiken ◽  
...  
Keyword(s):  
Cruciate Ligament ◽  
Tibial Tuberosity ◽  
Cranial Cruciate Ligament ◽  
Stifle Joint ◽  
Ligament Rupture ◽  
Cruciate Ligament Rupture ◽  
Before And After ◽  
Joint Biomechanics ◽  
Cranial Cruciate Ligament Rupture

SummaryThe effect of two suture types, monofilament polybutester and braided polyester, on stifle joint biomechanics after extra-articular repair of cranial cruciate ligament rupture was evaluated by analysis of the instant centre of motion. The instant centres of motion and resulting velocity vectors were determined radiographically on both stifles of eight fresh canine cadavers before and after cranial cruciate ligament transection. After ligament transection, all 16 stifles were repaired with an extra-articular technique utilizing a double strand of suture placed between the lateral fabella and the tibial tuberosity. One stifle on each cadaver was repaired with each suture type. The instant centres of motion and resulting velocity vectors were re-evaluated post repair. All stifles had normal instant centres of motion prior to transection of the cranial cruciate ligament. Neither ligament transection nor extra-articular repair with either suture type resulted in an abnormal change in the instant centre of motion.

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