Indication for revision—NJR categories for the revision hip replacement form (H2 form) | Indication for revision—NJR categories for the revision knee replacement form (K2 form) |
---|---|
Adverse soft tissue reaction to particulate debris | Aseptic loosening |
Aseptic loosening | Component dissociation |
Dislocation/subluxation | Dislocation/subluxation |
Dissociation of the liner | Implant fracture |
Head-socket mismatch | Infection |
Implant fracture | Instability |
Infection | Lysis |
Lysis | Malalignment |
Malalignment | Other |
Other | Peri-prosthetic fracture |
Peri-prosthetic fracture | Progressive arthritis to the remaining knee |
Unexplained pain | Stiffness |
Wear of acetabular component | Unexplained pain |
Wear of the polyethylene component |