TKA Patella Baja Flashcards
1
Q
What is the most common complication seen with a proximal tibia closing wedge osteotomy?
A
Patella baja.
2
Q
How do you calculate Insall-Salvati ratio?
A
Ratio of Patellar tendon length to Patella length.
PT/P; measured in 30 degrees flexion on lateral view
1.2 is patella alta
3
Q
What techniques can address patella baja during TKA?
A
Place button superiorly (mild)
Lower joint line by adding augment to distal femur and resecting more proximal tibia (moderate)
Superior advancement of tibial tubercle (moderate)
Patellectomy (severe)
4
Q
Most common complaint of lateral closing wedge high tibial osteotomy?
A
Anterior knee pain; due to patella baja
5
Q
Patella baja in revision TKA can be indication for what exposure?
A
Tibial tubercle osteotomy.
