percutaneous
Fracture
Epidemiology
Young men
Aetiology
FOOSH
- axial load, dorsiflexion and radial deviation
DISI occurs in ulna deviation
Herbert Classification
Type A Stable acute fracture
A1 Tubercle
Management
Goals
1. Equal leg lengths
- goal is mild to moderate isolated discrepancy
2. Unequal leg lengths
- goal with paralysis / equinus foot
- aim 1-2 cm short for clearance
3. Level Pelvis
- should use blocks to estimate functional correction
4. Vertical LS Spine
- vertical spine more important than level pelvis
Congenital knee dislocation
Epidemiology
Rare
- 2:100 000
- 1/100 as common as DDH
- 1/3 bilateral
- F:M 2:1
Associations
45% DDH
30% CTEV
Larsen Syndrome
Down's Syndrome
Arthrogryposis
Aetiology
Unknown
Two Theories
1. Intra-uterine packaging defect