Table 2.
Types and severity of complications: categories 1–3
| Total shoulder (n) | Hemiarthroplasty (n) | Resurfacing arthroplasty (n) | Fracture implant (n) | Reversed implant (n) | Bipolar implant (n) | Total | % | |
|---|---|---|---|---|---|---|---|---|
| Category 1 | ||||||||
| Temporary nerve palsy | 3 | 1 | 1 | 5 | 1.1 | |||
| Permanent nerve palsy | 2 | 2 | 2 | 6 | 1.3 | |||
| Dislocation | 1 | 1 | 2 | 1 | 1 | 6 | 1.3 | |
| Rotator cuff tear | 3 | 1 | 4 | 0.9 | ||||
| Humeral fracture, intraop. | 3 | 1 | 4 | 0.9 | ||||
| Humeral fracture, postop. | 3 | 1 | 4 | 0.9 | ||||
| Bleeding | 2 | 2 | 0.5 | |||||
| Implant malpositioning | 1 | 1 | 1 | 3 | 0.7 | |||
| Total | 15 | 9 | 3 | 3 | 3 | 1 | 34 | 7 |
| % | 8.5 | 8.9 | 4.1 | 4.3 | 6.1 | 7.1 | ||
| Category 2 | ||||||||
| Infection | 1 | 1 | 1 | 1 | 4 | 0.9 | ||
| Stabilisation after dislocation | 2 | 1 | 2 | 5 | 1.1 | |||
| Arthrolysis | 1 | 1 | 0.3 | |||||
| Tenotomy of biceps tendon | 1 | 1 | 0.3 | |||||
| Total | 4 | 1 | 3 | 1 | 2 | 11 | 2.3 | |
| % | 2.3 | 1 | 4.1 | 1.4 | 4.1 | |||
| Category 3 | ||||||||
| Glenoid erosion with pain | 1 | 4 | 5 | 1.1 | ||||
| Dislocation | 2 | 1 | 0.6 | |||||
| Infection | 1 | 1 | 0.3 | |||||
| Periprosthetic fracture | 1 | 1 | 0.3 | |||||
| Inadequate positioning | 2 | 2 | 0.5 | |||||
| Total | 3 | 4 | 2 | 2 | 11 | 2.3 | ||
| % | 3 | 5.4 | 2.9 | 4.1 |