Table 3.
Incidence of implant- or procedure-related complications
| MCGR | SDS | |||
|---|---|---|---|---|
| Neurological injury | 1 | 0 | ||
| Anchor complications | 4 | 3 | ||
| Proximal anchor | 2 | 0 | ||
| Apical anchor | 1 | 0 | ||
| Distal anchor | 1 | 3 | ||
| Rod complications | 2 | 4 | ||
| Rod fracture | 2 | 3 | ||
| Rod slippage | 0 | 1 | ||
| Failure to distract | 8 | 2 | ||
| MCGR actuator failure | 8 | 0 | ||
| Side-to-side connector failure | 0 | 2 | ||
| Rod growing out of connector due to fast growth | 0 | 1 | ||
| Proximal junctional kyphosis | 3 | 0 | ||
| Implant prominence | 0 | 5 | ||
| Wound dehiscence | 0 | 1 | ||
| Superficial SSI | 1 | 0 | ||
| Deep SSI | 0 | 1 | ||
| Late superficial SSI | 1 | 1 | ||
| Total number of complications | 20 | 18 | ||
| Complications per patient | 1.4 | 1.0 | ||
| Complications per patient per year | 0.35 | 0.33 | ||
SSI surgical site infection