Table 1.
Patient characteristics, diagnoses, and surgical approaches to complex spine deficiencies
| Patient | Sex | Age (years) | Diagnoses | Number of previous surgeries | Neurologic symptoms | Surgical approach |
|---|---|---|---|---|---|---|
| 1 | Male | 65 | Positive sagittal imbalance; L5-S1 pseudarthrosis | 2 | None | Staged PSF T10-pelvis |
| 2 | Male | 70 | L4-5 MRSA osteomyelitis and discitis; fractured instrumentation | 2 | None | Instrumented PSF L3-pelvis |
| 3 | Female | 42 | AIS; sagittal imbalance; coronal imbalance; osteomyelitis; pseudarthrosis; fractured instrumentation | 4 | None | ASF L2-3, 3-4, revision PSF T2-pelvis |
| 4 | Female | 27 | L5-S1 kyphosis; L5-S1 spondylolisthesis; chondrosarcoma (previously treated with hemipelvectomy) | 1 | None | L2-pelvis revision PSF |
| 5 | Female | 50 | Pseudarthrosis; positive sagittal imbalance | 2 | None | T4-pelvis revision PSF |
| 6 | Male | 73 | Spinal tuberculosis involving the L1-2 spinal segment; spinal cord compression; paraparesis | 0 | Progressive paraparesis | Staged ASF with L1-2 corpectomy and T10-L5 PSF |
| 7 | Female | 63 | Osteomyelitis L3 and L4 vertebral bodies; L3-4 discitis | 0 | Progressive paraparesis | ASF L2-5 |
| 8 | Male | 48 | L5 and S1 osteomyelitis; quadriplegia | 1 | Quadriplegia | ASF with L5 corpectomy, L3-pelvis PSF |
| 9 | Female | 49 | AIS; positive sagittal imbalance; coronal imbalance; pseudoarthrosis L3-4; fractured instrumentation | 4 | Bilateral lower-extremity radicular symptoms | Staged T12-pelvis, L4 PSO |
| 10 | Female | 55 | Failed back syndrome; lumbar scoliosis; positive sagittal imbalance; S1-2 fracture; osteoporosis | 5 | Bilateral lower-extremity radicular symptoms | Staged T4-L4 PSF revision L5-S1 PSF, L2-4 ASF L3 corpectomy |
| 11 | Male | 27 | Neurofibromatosis; dural ectasia L3, L4, L5, S1, S2 | 0 | Left lower-extremity radicular symptoms | T12-pelvis with myocutaneous flap closure |
MRSA = methicillin-resistant Staphylococcus aureus; AIS = adolescent idiopathic scoliosis; PSF = posterior spinal fusion; ASF = anterior spinal fusion; PSO = pedicle subtraction osteotomy.