Table 5.
Overview of complications leading to reoperation
| Case number | Description |
|---|---|
| 1 | Repositioning of a misplaced (but non-symptomatic) screw, four days postoperative |
| 2 | Removal of sequestrum and decompression at index level, four days postoperative |
| 3 | Removal of the pedicle system and cage L4/L5, three months postoperative |
| 4 | Replacement of loose screws and malpositioned screws, four weeks postoperative |
| 5 | Neurolysis, osteochcondritic segment with bulging annulus, four days postoperative |
| 6 | Removal of malpositioned S1-screw, four months postoperative |
| 7 | Decompression and stabilization of adjacent level, nine days postoperative |
| 8 | Removal of the system due to spondylitis and non-union, three months postoperative |
| 9 | Cage revision, 2 mm higher cage, three months postoperative |
| 10 | Revision of migrated cage (patient non-compliance), six weeks postoperative |
| 11 | Extension of fixation cranial 1 level, two days postoperative |
| 12 | System replacement due to spontaneous fusion of adjacent level, eight weeks postoperative |
| 13 | Repositioning of misplaced (but non-symptomatic) screw, three days postoperative |
| 14 | Repositioning of migrated (but non-symptomatic) cage, three days postoperative |
| 15 | Removal of intervertebral cage, replaced by vertebral body replacement device following its subsidence into osteoporotic bone. Implantation of a long titanium construct with cement augmentation, two days postoperatively |