Abstract
Tibial tuberosity medialization could be proposed as a treatment for chronic patellar instability associated with an increased tibial tuberositytrochlear groove distance (TT-TG). TT-TG is 40 year old as it was first described by Goutallier et al. [1]. According to his further clinical researches, TT-TG should not be considered by itself when planning a tibial tuberosity medialization but correlate to the trochlear groove angle. This correlation allowed an optimization of the tibial tuberosity medialization technique by limiting the risk of persistent instability (TT not enough medialized) or pain (TT too medialized).
Highlights
Tibial tuberosity medialization could be proposed as a treatment for chronic patellar instability associated with an increased tibial tuberositytrochlear groove distance (TT-TG)
The tibial tuberosity was always lateral to the trochlear groove
Goutallier et al [5] published the clinical results of 63 patients treated by tibial tuberosity medialisation associated with lateral patellar ligament section for chronic patellar instability in a French rheumatology journal which does not exist anymore
Summary
Tibial tuberosity medialization could be proposed as a treatment for chronic patellar instability associated with an increased tibial tuberositytrochlear groove distance (TT-TG). The TTTG should be performed on a lying patient with a 30° knee flexion without any rotation in the hip. 70 non operated knees were included in a study.
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