Principles
- Improve joint conformity and reduce point loading by
- Increasing surface area of contact
- Decrease muscle force across joint
- Reorienting weight bearing surface of joint
- Can be proximal femoral, pelvic or both
Indications
Proximal Femoral
- Congenital: coxa vara, DDH
- Traumatic: malunited tr
- Vascular: AVN, Perthes
- Degnerative: Early OA
- SUFE
Acetabular
- Reconstructive
- Salvage
- Mainly DDH
C/I
- Stiffness
- Inflammatory disease
- Significant OA
Femoral Osteotomy
- Flexion
- Extension
- Varus
- Valgus
- Rotational
Key points
| Column 1 | Column 2 | Column 3 |
|---|---|---|
| Varus | Valgus | |
| CoR | Medial | Lateral |
| LL | Short | Long |
| Pre OP Xray | In Abduction | In adduction |