Article Figures & Data
Figures
- Fig 1.
Characteristic preoperative lateral radiographs of patient with VCF with pseudoarthrosis (A, flexion; B, extension). The collapsed L4 vertebral body shows dynamic mobility. Vertebral body height increased with extension stress.
- Fig 2.
Relationships between reduction in postoperative VAS and presence of vertebral mobility. We compared pain relief between the perforation and PVP groups. A, Patients with vertebral mobility; (B) patients without vertebral mobility.
Tables
PVP Group (n = 67) Perforation Group (n = 64) P Value Mean age (years) 77.1 ± 7.2 76.7 ± 7.6 .38 Male:Female 12:55 11:53 .99 Mean interval (days) 159.6 ± 250 125.1 ± 204 .74 Treated level (T11–L2) 52 (77.7%) 49 (76.6%) .89 Preop VAS 7.2 ± 1.6 7.5 ± 1.7 .83 Preop mobility of fracture 23 (34.3%) 32 (50%) .08 Note:—Preop indicates preoperative.
PVP Perforation Vertebral Mobility + Vertebral Mobility − P Value Vertebral Mobility + Vertebral Mobility − P Value Preop 7.17 ± 1.75 7.21 ± 1.58 .835 6.78 ± 1.83 7.42 ± 1.43 .237 Day 2 1.39 ± 1.67 1.65 ± 1.95 .818 3.28 ± 2.67 2.37 ± 2.38 .193 Day 7 1.45 ± 1.79 1.22 ± 1.64 .619 3.54 ± 2.70 2.00 ± 2.36 .025 Day 90 1.50 ± 1.60 1.46 ± 3.02 .658 3.21 ± 2.83 1.65 ± 2.06 .037 Note:—Preop indicates preoperative.
- Table 3:
Comparison of VAS and ADL scores between PVP and perforation groups based on the presence of vertebral mobility
Vertebral Mobility + Vertebral Mobility − PVP Perforation P Value PVP Perforation P Value VAS Preop 7.17 ± 1.75 6.78 ± 1.83 .63 7.21 ± 1.58 7.42 ± 1.43 .622 Day 2 1.39 ± 1.67 3.28 ± 2.67 .014 1.65 ± 1.95 2.37 ± 2.38 .217 Day 7 1.45 ± 1.79 3.54 ± 2.70 .004 1.22 ± 1.64 2.00 ± 2.36 .243 Day 90 1.50 ± 1.60 3.21 ± 2.83 .029 1.46 ± 3.02 1.65 ± 2.06 .701 ADL Score Preop 1.65 ± 0.88 1.62 ± 0.74 .823 1.86 ± 0.85 1.96 ± 0.71 .623 Day 2 1.22 ± 0.90 1.74 ± 0.81 .109 1.44 ± 0.75 0.95 ± 0.72 .151 Day 90 1.04 ± 0.88 1.35 ± 0.81 .197 1.07 ± 1.07 0.82 ± 0.66 .615 Note:—Preop indicates preoperative. ADL were evaluated using the following 5-point scale outlined in the text.
PVP Group Perforation Group P Value Vertebral mobility + 9/23 (39.1%), adjacent fx (6/9) 1/32 (3.1%), adjacent fx (1/1) <.01 Vertebral mobility − 10/44 (22.7%), adjacent fx (7/10) 4/19 (21.1%), adjacent fx (3/4) .44 Total 19/67 (28.4%) 5/51 (9.8%) <.01 Note:—Statistical analysis was performed with Fisher exact test. fx indicates fracture.
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