Prevent contractures
Prevent dislocations
Improve walking
Provide stable and painless sitting
Allow perineal care
Hip Dislocation
Adductor contractures
Flexion contractures
In-toeing
Windswept hips
Accepted that a dislocated hip in CP is painful
Fracture below lesser trochanter / proximal 5 cm femur
Young patients / high velocity injuries
Old patients / osteoporosis
Xray
- sclerosis
CT
Hip has been out for some time
- degree of acetabular dysplasia evident
- less time for remodelling
- increased instability if not addressed
Open reduction + FDRO / Pelvic Osteotomy
- usually perform pelvic osteotomy to correct acetabular dysplasia
- reserve FDRO for > 3 years / or if difficult reducing hip