- Biological joint-preserving surgery for Medial compartment OA knee
- Coventry – 1969 popularized it
- The basis of realignment osteotomy about the knee is to transfer weight bearing forces from the arthritic portion of the knee to a healthier location of the knee joint
- Patient under 60 years with unicompartment OA knee without any deformity or ligament laxity is an ideal candidate for HTO
- Patello femoral pain improves after H.T.O in the long term
- Scanograms are needed for pre-operative planning
- Aim for mechanical axis to pass through medial 1/3 of lateral compartment
- Opening-wedge osteotomy was associated with more complications
- Closing-wedge procedure resulted in more conversions to TKA
- HTO is a very cost effective option for OA knee Younger patients with moderate varus.
- Under correction / Over correction- not acceptable.