Table 1 Detailed analysis of the surgical techniques performed during the 4129 interventions
Surgical techniques | First intervention | Second intervention | Third intervention | Overall |
|---|---|---|---|---|
Number (%) | Number (%) | Number (%) | Number (%) | |
Open posterior instrumentation w. decompression/fusion | 422 (10.5%) | 14 (2.6%) | 1 (2.0%) | 437 (9.5%) |
Open posterior instrumentation w/o decompression with fusion | 253 (6.3%) | 7 (1.3%) | 0 (0%) | 260 (5.6%) |
Open posterior instrumentation w/o decompression w/o fusion | 73 (1.8%) | 7 (1.3%) | 1 (2.0%) | 81 (1.8%) |
Open posterior instrumentation w decompression w/o fusion | 179 (4.4%) | 12 (2.3%) | 0 (0%) | 191 (4.1%) |
Percutaneous posterior instrumentation | 90 (2.2%) | 3 (0.6%) | 0 (0%) | 93 (2.0%) |
Stand-alone anterior instrumentation | 354 (8.8%) | 5 (0.9%) | 0 (0%) | 359 (7.8%) |
Combined single-stage anterior−posterior instrumentation | 39 (1.0%) | 0 (0%) | 0 (0%) | 39 (0.8%) |
Vertebroplasty | 2065 (51.1%) | 138 (25.9%) | 5 (9.8%) | 2208 (47.8%) |
Balloon kyphoplasty | 143 (305%) | 9 (1.7%) | 0 (0%) | 152 (3.3%) |
Stentoplasty | 138 (3.4%) | 7 (1.3%) | 0 (0%) | 145 (3.1%) |
Posterior instrumentation combined with 8, 9 or 10 | 154 (3.8%) | 3 (0.6%) | 0 (0%) | 157 (3.4%) |
Transpedicular vertebral augmentation w. bone graft, bone substitute w/ w/o posterior instrumentation | 38 (0.9%) | 0 (0%) | 0 (0%) | 38 (0.8%) |
Other (biopsy, nerve root revision, local decompression and Optimesh techniques) | 89 (2.2%) | 39 (7.3%) | 4 (7.8%) | 132 (2.9%) |
Anterior column reconstruction after posterior instrumentation | 1 (0.0%) | 203 (38.1%) | 1 (2.0%) | 205 (4.4%) |
Hardware removal | 0 (0%) | 86 (16.1%) | 39 (76.5%) | 125 (2.7%) |
Total | 4038 (100%) | 533 (100%) | 51 (100%) | 4622 (100%) |