Article Figures & Data
Figures
- Fig. 1
Preoperative sagittal image of lumbar spine before CMIS correction with hyperlordotic cages.
- Fig. 2
Intraoperative fluoroscopy after placement of 12° cages at L3-4 and L4-5.
- Fig. 3
Postoperative sagittal image of lumbar spine after 2-level cage placement. Segmental lordosis of 18° was achieved at L4-5.
- Fig. 4
Preoperative XR imaging before placement of 12° cages for multilevel CMIS correction.
- Fig. 5
Postoperative XR imaging after placement of 12° cages for multilevel CMIS correction.
Tables
Number of Patients 66 Mean Age 66.08 (48-84) Total LLIF Levels 224 Mean Levels 3.39 Lordosis Cages Position Cages Spinal Level Cages 6° 58 Anterior 111 T12-L1 14 10° 31 Middle 110 L1-2 36 12° 130 Middle 3 L2-3 56 20° 5 L3-4 64 L4-5 54 Total 224 224 224 Preoperative Postoperative Delta P value Mean Segmental Lordosis 4.23 12.17 7.95 .000* Mean Lumbar Lordosis 39.43 49.32 10.05 .000* Mean Segmental Lordosis Lordosis Preoperative Postoperative Delta P value 6° 1.74 9.00 (4.09-20.26, SD 3.64) 7.26 .000* 10° 5.00 13.09 (6.07-20.57, SD 3.12) 8.08 .000* 12° 5.18 13.23 (4.79-25.38, SD 3.38) 8.03 .000* 20° 4.10 18.23 (16.77-19.75, SD 1.28) 14.22 .000* ANOVA Postoperative between groups: .000* Mean Segmental Lordosis Position Preoperative Postoperative Delta P value Anterior 4.65 13.02 (4.79-25.38, SD 3.58) 8.36 .000* Middle 3.89 11.47 (4.09-19.75, SD 4.12) 7.58 .000* Posterior 1.52 8.23 (5.96-11.43, SD 2.85) 6.71 .036* ANOVA Postoperative between groups: .000* Mean Segmental Lordosis Level Preoperative Postoperative Delta P value T12-L1 .98 8.43 (4.09-15.93, SD 2.92) 7.44 .000* L1-2 1.91 10.02 (4.42-20.26, SD 3.99) 8.12 .000* L2-3 3.67 11.38 (4.79-18.87, SD 3.74) 7.71 .000* L3-4 4.82 12.91 (5.96-25.38, SD 3.60) 8.08 .000* L4-5 4.82 14.58 (6.92-20.79, SD 2.98) 8.05 .000* ANOVA Postoperative between groups: .000*
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