Table 2.
Summary of the first re-operations and revisions patients experienced in the 1000-patient cohort
| Indication | Number of knees | Surgical procedure conducted | Mean time from initial surgery (years) | Number of reoperations | Number of revisions |
|---|---|---|---|---|---|
| Bearing dislocation | 7 | 7 Bearing exchange | 2.9 (SD 3.4) | 7 | 7 |
| Disease progression | 4 |
2 TKRs 2 Lateral UKR |
4.8 (SD 1.4) | 4 | 4 |
| Pain | 5 |
2 Arthroscopies 1 Tibial revision 1 TKR 1 Aspiration and MUA |
1.9 (SD 1.8) | 5 | 2 |
| Infection | 3 |
1 Arthroscopy and washout 2 debridement, washout and bearing exchange. |
0.04 (SD 0.02) | 3 | 2 |
| Avascular necrosis | 1 | 1 Lateral UKR | 6.7 | 1 | 1 |
| Femoral component loosening | 1 | 1 Cemented femoral component | 0.6 | 1 | 1 |
| Lateral meniscal tear | 1 | 1 Arthroscopy | 4.8 | 1 | 0 |
| Wound dehiscence | 1 | 1 Debridement and primary closure | 0.2 | 1 | 0 |
| Loose body | 1 | 1 Arthroscopy and arthrotomy | 2.1 | 1 | 0 |
| Tibial plateau fracture (lateral) | 1 | 1 TKR | 2.2 | 1 | 1 |
| Totals | 25 | 18 | |||