Article Figures & Data
Figures
- Figure 1
Example full-spine radiographs of a patient treated with selective fusion (A, presurgery and B, postsurgery) and a patient treated with nonselective fusion (C, presurgery and D, postsurgery).
- Figure 2
Example full-spine radiographs of a patient treated with hybrid-technique with screws, hooks, and tapes (A, presurgery and B, postsurgery); a patient treated with hybrid-technique with screws and hooks (C, presurgery and D, postsurgery); and a patient treated with all-screw technique (E, presurgery and F, postsurgery).
- Figure 3
Measurement of the Cobb angle from the main curve and the upper and lower minor curve in a posterior-anterior view of a full-spine radiograph.
- Figure 4
Measurement of the pelvic incidence in a lateral lumbar spine radiograph.
- Figure 5
Measurement of parameters from the sagittal profile. (A) Measurement of the lumbar lordosis between L1 and S1 in a lateral lumbar spine radiograph. (B) Measurement of the thoracic kyphosis between T1 and T12 as well as between T5 and Th12 in a lateral thoracic spine radiograph.
Tables
Criteria Inclusion Exclusion Treatment Surgical treatment by posterior instrumented fusion Additional anterior surgical procedure or previous treatment with a growing rod system Scoliosis type Adolescent idiopathic scoliosis Nonidiopathic scoliosis (ie, early-onset or neuromuscular) Data set Complete set of data including full spine x-rays in posterior-anterior and lateral views before and after surgery and at end of follow-up Incomplete set of data Follow-up ≥24 months <24 months Type of Curve n % 1 21 38.2 2 21 38.2 3 2 3.6 4 3 5.5 5 7 12.7 6 1 1.8 - Table 3
Cobb angles of the main and minor curve in the pre- and postoperative radiographs and the perioperative correction of the Cobb angle by the different techniques.
Technique Preoperative Cobb Angle, ° Postoperative Cobb Angle, ° Correction of Cobb Angle, ° (%) Main Curve Minor Curve Main Curve Minor Curve Main Curve Minor Curve All Mean 57.26 42.23 27.95 22.20 30.33 (52.9) 20.03 (47.4) SEM 1.81 1.81 1.60 1.49 1.45 1.74 SF Mean 55.50 34.36 27.43 22.93 27.53 (49.6) 15.10 (43.9) SEM 2.15 1.50 1.83 1.90 1.61 1.60 NSF Mean 59.72 43.99 28.37 21.18 31.35 (52.3) 26.90 (61.2) SEM 3.00 3.47 2.68 2.34 2.36 2.92 HTH Mean 61.57 44.00 28.57 20.12 33.00 (53.6) 25.94 (59.0) SEM 3.18 3.55 2.87 2.38 2.41 3.36 HTHT Mean 53.37 33.52 26.46 22.63 26.22 (48.9) 16.58 (49.5) SEM 1.86 1.83 1.72 1.87 1.66 1.65 AS Mean 57.59 38.15 30.05 26.58 27.54 (47.8) 14.58 (38.2) SEM 5.46 2.62 4.48 4.74 3.36 2.89 Abbreviations: AS, all screws technique; HTH, hybrid technique with screws and hooks; HTHT, hybrid technique with screws, hooks, and tapes; NSF, nonselective fusion; SF, selective fusion.
- Table 4
Difference between preoperative and postoperative LL and PI for the different techniques.
Technique Preoperative Postoperative Pre- and Postoperative All Mean 5.8073 4.1262 1.3875 SEM 1.94256 2.39210 2.46151 NSF Mean 6.54 0.36 6.18 SEM 3.25 3.78 3.34 SF Mean 5.47 5.81 -0.92 SEM 1.83 2.39 2.56 Abbreviations: LL, lumbar lordosis; PI, pelvic incidence.
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