Posterior Injured Vertebra Column Resection and Spinal Shortening for Thoracolumbar Fracture Associated with Severe Spinal Cord Injury: A Retrospective Case-Control Observational Study
Table 2
Parameters of patients in simple posterior decompression and fixation group (group A, n = 32) and PIVCR and spinal shortening group (group B, n = 34).
Parameter
Group A
Group B
Operative time(min)
179.53 ± 30.12
264.26 ± 48.39
<0.001
Blood loss (mL)
435.63 ± 222.61
564.41 ± 206.78
0.018
Spinal canal encroachment rate
Preop.
57.80 ± 9.90
59.50 ± 10.20
0.496
Postop.
14.30 ± 4.03
0
<0.001
Heights of posterior edge of vertebral body (%)
Preop.
91.40 ± 1.04
91.88 ± 1.23
0.614
Postop.
95.16 ± 1.88
91.74 ± 7.03
<0.001
Final follow-up
94.32 ± 1.61
91.70 ± 6.79
<0.001
Range of spinal shortening postop. (cm)
0.06 ± 0.03
1.57 ± 0.40
<0.001
Percentage of spinal shortening of single spinal motion segment (%)