Cerebral Palsy
Issues
- spasticity / joint contractures
- hip subluxation /dislocation preoperatively
- dysplastic femoral head / acetabulum
Results
O'Driscoll et al Arthroplasty Today 2022
- systematic review of 7 studies and 189 patients
- mild and severe CP
- mean 8 years follow up
- dislocation 11%, aseptic loosening 6%, infection 3%, fractures 3%
Down's Syndrome
Issues
- ligamentous laxity
- acetabular dysplasia
Results
Kosashvili et al J Arthroplasty Orthopedics 2010
- 9 THA for Down's syndrome
- 6 had DDH, 1 with SCFE
- 6/9 required constrained liners
Parkinson's disease
Issues
- increased tone / rigidity / tremors
- dementia
Results
Jamsen et al Bone Joint J 2014
- Parkinson's versus controls
- increased risk hip dislocation first year
- 65% 10 year mortality for Parkinson's patients