Stable, shoe-able plantigrade foot
Multidisciplinary foot clinics (MDFC) 1st established UK 1980s
- shown to significantly reduce rate of diabetic amputations
- involve:
Endocrinologist +/- diabetic nurse
- glycaemic control crucial
Podiatrist
- non-surgical debridement
- orthoses
UKA is intended to be load sharing
- correct to neutral or slight varus
HTO is a load-shifting / load-sparing procedure
- over correct into valgus
Advantages UKA
1. Rapid rehabilation
Reproduce the normal anatomical centre of rotation
Restore femoral offset
Maintain equal leg lengths
Usually template off normal hip
1. LLD
2. Offset
3. Femoral component
4. Acetabular component
5. Osteotomy / femoral seating