Patient data
| Patient No. | Levels fused | Dynamic rod (index) level | Diagnosis | Prior surgery | Complications | Follow-up completed |
|---|---|---|---|---|---|---|
| 1 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 HNP at L4-5 Spondylolisthesis at L4-5 Spondylosis at L4-5 | Dural tear | 24 mo | |
| 2 | L5-S1 | L4-5 | DDD at L4-5 L5-S1 HNP at L5-S1 Stenosis at L5-S1 | L5-S1 right hemilaminectomy and discectomy | Reflex sympathetic dystrophy | 12 mo |
| 3 | L4-5 | L3-4 | DDD at L4-5, L5-S1 Stenosis at L3-4, L4-5, L5-S1 | Synovial cyst, I&D, converted to fusion | 24 mo | |
| 4 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 HNP at L4-5, L5-S1 Stenosis at L4-5 | Segmental kyphosis at L4-5 | 12 mo | |
| 5 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 HNP at L4-5, L5-S1 | Screw lucency at L4 | 24 mo | |
| 6 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 HNP at L5-S1 Spondylolisthesis at L5-S1 Stenosis at L5-S1 | L5 laminectomy | I&D | 24 mo |
| 7 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 HNP at L4-5, L5-S1 Stenosis at L4-5, L5-S1 | 24 mo | ||
| 8 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 HNP at L4-5 Stenosis at L4-5, L5-S1 | I&D | 12 mo | |
| 9 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 HNP at L4-5 Stenosis at L4-5 | 24 mo | ||
| 10 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 HNP at L4-5 Stenosis at L4-5 | 12 mo | ||
| 11 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 Stenosis at L4-5 | Radicular pain, reoperated | 24 mo | |
| 12 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 Stenosis at L2-3, L3-4, L4-5, L5-S1 Spondylolysis at L4-5 | Screw loosening at L4 and L5 | 24 mo | |
| 13 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 Spondylolisthesis at L5-S1 | Pseudarthrosis, screw loosening at L4 and L5, converted to fusion | 24 mo | |
| 14 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 HNP at L5-S1 Stenosis at L4-5, L5-S1 | 12 mo | ||
| 15 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 Stenosis at L5-S1 | 24 mo | ||
| 16 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 HNP at L4-5 | 24 mo | ||
| 17 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 | 24 mo | ||
| 18 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 HNP at L5-S1 | Re-herniated disc at L4-5 | 24 mo | |
| 19 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 Spondylolisthesis at L5-S1 Stenosis at L4-5 | 24 mo | ||
| 20 | L4-5, L5-S1 | L3-4 | DDD at L3-4, L4-5, L5-S1 | 24 mo | ||
| 21 | L4-5, L5-S1 | L3-4 | DDD at L3-4, L4-5, L5-S1 HNP at L3-4 Stenosis at L3-4, L4-5 | L4-5 left hemilaminectomy | 12 mo | |
| 22 | L4-5 | L3-4 | DDD at L3-4, L4-5 HNP at L3-4, L4-5 Stenosis at L2-3, L3-4, L4-5, L5-S1 | L4-5 laminectomy | 24 mo | |
| 23 | L4-5 | L3-4 | DDD at L3-4, L4-5 Spondylolisthesis at L3-4 Stenosis at L4-5 | 24 mo | ||
| 24 | L4-5, L5-S1 | L3-4 | DDD at L3-4, L4-5, L5-S1 HNP at L3-4 Stenosis at L2-3 L3-4, L4-5 L5-S1 | L4-5, L5-S1 laminectomy and discectomy | ||
| 25 | L3-4, L4-5, L5-S1 | L2-3 | DDD at L2-3, L3-4, L4-5, L5-S1 Stenosis at L2-3, L3-4, L4-5, L5-S1 | L3-S1 spinal fusion | ||
| 26 | L4-5, L5-S1 | L3-4 | DDD at L3-4, L4-5, L5-S1 HNP at L4-5, L5-S1 | L4-5, L5-S1 right hemilaminectomy and discectomy | 24 mo | |
| 27 | L4-5 | L3-4 | DDD at L3-4, L4-5 Spondylolisthesis at L4-5 | 24 mo | ||
| 28 | L5-S1 | L4-5 | DDD at L4-5, L5-S1 Spondylolisthesis at L5-S1 Spondylolysis at L4-5 | 24 mo |