< 60 with good bone stock and preserved joint space
Union rates increased with anatomical reduction
Options
- closed reduction
- open reduction / if closed reduction fails
Accept
- no varus
- < 15o valgus
- < 10o AP plane
Facet joint dislocations secondary flexion distraction injury
10%
1. Unifacet subluxation - interspinous process widening
2. Unifacet dislocation - 25% anterolisthesis
3. Bifacet dislocation - 50% anterolisthesis
4. Complete vertebral translation - 100% anterolisthesis
Young men in 20's and 30's
High energy injuries
- fall from heights
- MVA
Injury progresses from radial to ulna
- usually disruption proximal row either side of lunate
1. Capitate usually displaces dorsally initially
- volar lunate dislocation is end stage