Patients With Symptomatic Pseudarthrosis | Anterior-Only Group (n = 62) | Posterior-Only Group (n = 13) | Combined Anterior and Posterior (n = 20) |
Blood loss | 208 ± 150 mL | 710 ± 560 mL | 1070 ± 850 mL |
Operation time | 130 ± 60 min | 123 ± 68 min | 193 ± 74 min |
Mean lordosis correction | 8.75 ± 5.4 to 12.6 ± 4.4° | 10.4 ± 2.3 to 11.7 ± 3.2° | 8.4 ± 2.3 to 16.6 ± 3.2° |
Revision | No revisions | No revisions | - One retropharyngeal hematoma - Three cage sinking with kyphosis |
VAS improvement, preoperative to final follow-up | From 7.5 ± 2 to 2.3 ±1.7 (P = 0.001) | ||
NDI Improvement, preoperative to final follow-up | From 26.4 ± 5 to 8.7 ±3.2 (P = 0.034) | ||
Graft site pain | 5 patients (5.2%) | ||
Dysphagia | 3 patients (3.3%) | ||
Follow-up period | 52 ± 28 mo (minimum 24 and maximum 120 mo) | ||
Time until fusion | 7.8 ± 2.9 mo (between 6 and 12 mo) |
NDI, Neck Disability Index; VAS, Visual Analog Scale.