Advanced Concepts in Patellofemoral Surgery (AANA22)-Coronal & Axial Plane Alignment in Recurrent Lateral Patellar Instability_ Why, When and How

Coronal & Axial Plane Alignment in Recurrent Lateral Patellar Instability_ Why, When and How_

Video Transcription

Video Summary

The discussion centers on coronal and axial plane alignment's role in patellofemoral instability, particularly valgus, varus, patella alta, and increased femoral anteversion. Small studies suggest patella alta often coincides with knee valgus, possibly increasing re-injury risk when valgus exceeds 4 degrees. Axial abnormalities like femoral anteversion and external tibial torsion influence patellar tracking and the J sign, with anteversion over 30 degrees linked to residual instability post-surgery. Complex cases may require femoral/tibial osteotomies for realignment. The speaker emphasizes individualized treatment, the importance of consistent imaging, and evolving surgical strategies for challenging patellar instability cases.

Asset Caption

Elizabeth A. Arendt, M.D.

Keywords

patellofemoral instability

valgus alignment

patella alta

femoral anteversion

femoral tibial osteotomy