2021 Annual Meeting Knee Access Pass-SPONTANEOUS CORRECTION OF EXTERNAL TIBIOFEMORAL ROTATIONAL DEFORMITY AND TIBIAL TUBEROSITY-TROCHLEAR GROOVE MEASUREMENTS OCCURS AFTER MEDIAL PATELLOFEMORAL LIGAMENT RECONSTRUCTION IN FIXED OR OBLIGATORY DISLOCATORS

SPONTANEOUS CORRECTION OF EXTERNAL TIBIOFEMORAL ROTATIONAL DEFORMITY AND TIBIAL TUBEROSITY-TROCHLEAR GROOVE MEASUREMENTS OCCURS AFTER MEDIAL PATELLOFEMORAL LIGAMENT RECONSTRUCTION IN FIXED OR OBLIGATORY DISLOCATORS

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Video Transcription

Video Summary

In this video, the speaker discusses research on patella instability and the rotation within the joint between the femur and tibia. This includes the work of Rene Autal and Dafyl Schottel on femoral antiversion, as well as a study by Jeff Nepple and his group at Wash U on pediatric patients with patella instability. The speaker conducted a similar study, comparing normals, standard patella instability group, and a severe patella instability group. They found a significant difference in rotation within the joint for the severe group, and post-operative MRIs showed improvement in external tibiofemoral rotation after patella stability reconstruction. The study concludes that patella realignment can change interarticular tibiofemoral rotation in severe cases of pediatric patella instability. The limitations include the static nature of the measurements in the MRI. The study also highlights the impact of rotation on TTTG measurements.

Asset Caption

Dr. Daniel Green

Meta Tag

Concept Patellar instability

Concept Trochlear Dysplasia

Concept Patella Alta

Concept Anterior Tibial Tubercle to Trochlear Groove Distance

Concept Femoral-Tibial Rotation

Keywords

patella instability

rotation

femur

tibia

pediatric patients

Patellar instability

Trochlear Dysplasia

Patella Alta

Anterior Tibial Tubercle to Trochlear Groove Distance

Femoral-Tibial Rotation