Nerve Injury
Epidemiology
Primary THR 1%
Revision THR 3%
DDH 5%
Sciatic nerve 90% of nerve palsy
Other
- femoral nerve
- CPN
- ulna / radial nerve from positioning
Aetiology
Direct
Laceration
- exposure / sciatic and superior gluteal nerve
- drill reamer / obturator nerve
- spike of cement / obturator nerve