Table 5.
Literature review of some of the reported screw misplacements assessed with postoperative CT
| Patient number | Screw number | Region | Misplacement (%) | Medial (% of total) | Lateral (% of total) | Neurovascular complications (number) | Others remarks | |
|---|---|---|---|---|---|---|---|---|
| Silvestre [1] | 25 | 311 | Thoracic | 5.7 | 1 | 3.8 | 0 | Scoliosis |
| Gertzbein [2] | 40 | 71 | Thoracic | 30 | 25.5 | 4 | 2, resolved spontaneously | Reported MCP 6–7 mm |
| Upendra [3] | 24 | 138 | Thoracic | 50.7 | 24.6 | 24.7 | 2 | Scoliosis |
| Upendra [3] | 34 | 176 | Thoracic | 50 | 31.8 | 11.4 | 0 | Non-scoliosis |
| Liljenqvist [9] | 32 | 120 | Thoracic | 25 | 8.3 | 14.2 | 0 | Scoliosis |
| Belmont [11] | 40 | 279 | Thoracic | 43 | 14 | 29 | 0 | |
| Heary [16] | 27 | 185 | Thoracic | 13.5 | 1.6 | 11.3 | ||
| Lekovic [17] | 37 | 277 | Thoracic | 18 | 2.2 | 13 | 0 | Guided insertion |
| Smorgick [18] | 25 | 112 | Thoracic | 12.5 | 0 | 1.8% aortic abutment | ||
| Kim [19] | 49 | 557 | Thoracic | 6.2 | 1.8 | 4.7 | 0 | |
| Sarlak [20] | 19 | 185 | Thoracic | 29.1 | 10.8 | 18.3 | 0 | Scoliosis |
| Lehman [21] | 60 | 1,023 | T1–L4 | 10.5 | 8.6 | 1.9 | 0 | |
| Halm [22] | 25 | 178 | T5–L4 | 18.5 | 4.5 | 12.4 | 0 | Scoliosis |
| This study | 49 | 873 | T1–L5 | 17 | 6.1 | 8 | 0 | Scoliosis |
This review, including the present study, includes the results of a total of 486 patients (4,485 screws)