Table 6.
Harmonized reasons for early revisiona of Australian and Kaiser Permanente total shoulder arthroplasty revision patients, after exclusion of Shoulder Modular Replacement prosthesis.
| Reason for revision, n (%) | Australia | Kaiser Permanente |
|---|---|---|
| Total | 94 | 31 |
| Arthrofibrosis | 3 (3.2) | 0 (0.0) |
| Component loosening/lysis | 20 (21.3) | 10 (32.3) |
| Component structural failure | 0 (0) | 0 (0.0) |
| Incorrect sizing/implant malposition | 7 (7.4) | 2 (6.5) |
| Infection | 10 (10.6) | 4 (12.9) |
| Instability | 35 (37.2) | 4 (12.9) |
| Other | 5 (5.3) | 0 (0.0) |
| Periprosthetic fracture | 3 (3.2) | 1 (3.2) |
| Rotator cuff pathology | 11 (11.7) | 10 (32.3) |
a
Early revision was defined as within the first two years of the primary procedure.