Types of instrumentation failure | Timing of revision surgery | ||
---|---|---|---|
Next scheduled surgery: elective, n (%) | Next scheduled surgery: consequential, n (%) | Unplanned return to the operating room, n (%) | |
Anchor loosening/dislocation | 3 (0.7) | 4 (0.9) | 4 (0.9) |
Rod breakage | 0 (0) | 1 (0.2) | 2 (0.4) |
Implant protrusion | 2 (0.4) | 0 (0) | 1 (0.2) |
Proximal junctional kyphosis | 1 (0.2) | 0 (0) | 0 (0) |
Total | 6 (1.3) | 5 (1.1) | 7 (1.5) |