Intra-operative Fracture
THR Acetabular Fracture
Incidence
Increased incidence with press-fit component
- especially if under ream
Prevention
Don't under-ream >1mm
In osteopenic bone
- line to line reaming
- i.e. ream to outer diameter of cup
This also avoids leaving gaps at floor
- very common if under-ream by 2mm