Table 1.
Revision diagnosis of primary total resurfacing hip arthroplasty by type of first revision
| Primary total resurfacing hip revision diagnosis | Acetabular component | Femoral component | THA (femoral/acetabular) | |||
|---|---|---|---|---|---|---|
| Number | Percent | Number | Percent | Number | Percent | |
| Loosening/lysis | 22 | 60 | 70 | 23 | 215 | 40 |
| Fracture | – | – | 191 | 62 | 32 | 6 |
| Metal-related pathology | 1 | 3 | 2 | 0.6 | 186 | 35 |
| Pain | 1 | 3 | 17 | 6 | 40 | 7 |
| Osteonecrosis | – | – | 17 | 6 | 12 | 2 |
| Prosthesis dislocation | 2 | 5 | 4 | 1 | 12 | 2 |
| Malposition | 8 | 22 | 4 | 1 | 5 | 0.9 |
| Implant breakage head | – | – | 3 | 1 | 1 | 0.2 |
| Wear acetabulum | – | – | – | – | 2 | 0.4 |
| Synovitis | – | – | – | – | 2 | 0.4 |
| Instability | – | – | 1 | 0.3 | 1 | 0.2 |
| Implant breakage acetabular | – | – | – | – | 2 | 0.4 |
| Incorrect sizing | 1 | 3 | – | – | – | – |
| leg length discrepancy | 1 | 3 | – | – | – | – |
| Progression of disease | – | – | 1 | 0.3 | – | – |
| Tumor | – | – | – | – | 1 | 0.2 |
| Other | 1 | 3 | – | – | 26 | 5 |
| Total | 37 | 310 | 537 | |||